2016-03-10 16:59:16 +01:00
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/************************************************************************************
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* arch/arm/include/stm32l4/chip.h
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*
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2017-06-08 16:52:09 +02:00
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* Copyright (C) 2017 Gregory Nutt. All rights reserved.
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2016-03-20 21:12:07 +01:00
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* Copyright (C) 2016 Sebastien Lorquet. All rights reserved.
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2016-03-10 16:59:16 +01:00
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* Author: Sebastien Lorquet <sebastien@lorquet.fr>
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2017-06-08 16:52:09 +02:00
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* Gregory Nutt <gnutt@nuttx.org>
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2016-03-10 16:59:16 +01:00
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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************************************************************************************/
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#ifndef __ARCH_ARM_INCLUDE_STM32L4_CHIP_H
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#define __ARCH_ARM_INCLUDE_STM32L4_CHIP_H
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/************************************************************************************
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* Included Files
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************************************************************************************/
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#include <nuttx/config.h>
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/************************************************************************************
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* Pre-processor Definitions
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************************************************************************************/
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2017-06-08 16:52:09 +02:00
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/* STM32L475, STM32L476, STM32L486, STM32L496, STM32L4A6
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2017-04-25 16:42:36 +02:00
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*
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* Differences between family members:
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2017-06-08 16:52:09 +02:00
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* - L475 has no TSC, no LCD, no AES, no I2C4, no CAN2, No Hash/CRS, no DCMI,
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* no DMA2D
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2017-04-25 16:42:36 +02:00
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* - L486 has AES
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* - L496, L4A6 has 320 Kib SRAM, 2xCAN and CameraIF. Most (all?) of these have I2C4.
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* - L4A6 has AES and HASH
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2017-06-28 21:16:48 +02:00
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*
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2016-03-10 16:59:16 +01:00
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* ----------- ---------------- ----- ------ ------ ---- ---- -----
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* PART PACKAGE GPIOs LCD Tamper FSMC CapS AdcCh
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* ----------- ---------------- ----- ------ ------ ---- ---- -----
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2017-06-08 16:52:09 +02:00
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* STM32L475Rx LQFP100 82 3 Yes 21 16
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* STM32L475Vx LQFP64 51 2 No 12 16
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2016-03-10 16:59:16 +01:00
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* STM32L4x6Jx WLCSP72L 57 8x28 2 No 12 16
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* STM32L476Mx WLCSP81L 65 ? ? ? ? ?
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* STM32L4x6Qx UFBGA132L 109 8x40 3 Yes 24 16
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* STM32L4x6Rx LQFP64 51 8x28 2 No 12 16
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* STM32L4x6Vx LQFP100 82 8x40 3 Yes 21 16
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* STM32L4x6Zx LQFP144 114 8x40 3 Yes 24 24
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2017-04-25 16:42:36 +02:00
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* STM32L4x6Ax UFBGA169 132 8x40 3 Yes 24 24
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2016-03-10 16:59:16 +01:00
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* ----------- ---------------- ----- ------ ------ ---- ---- -----
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*
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* Parts STM32L4x6xC have 256Kb of FLASH
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* Parts STM32L4x6xE have 512Kb of FLASH
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* Parts STM32L4x6xG have 1024Kb of FLASH
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*
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2017-05-02 14:20:11 +02:00
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* The correct FLASH size must be set with a CONFIG_STM32L4_FLASH_CONFIG_*
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2016-03-10 16:59:16 +01:00
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* selection.
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*/
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2018-08-13 15:06:51 +02:00
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#if defined(CONFIG_STM32L4_STM32L4XR)
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# define STM32L4_SRAM1_SIZE (192*1024) /* 192Kb SRAM1 on AHB bus Matrix */
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# define STM32L4_SRAM2_SIZE (64*1024) /* 64Kb SRAM2 on AHB bus Matrix */
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# define STM32L4_SRAM3_SIZE (384*1024) /* 384Kb SRAM3 on AHB bus Matrix */
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#elif defined(CONFIG_STM32L4_STM32L496XX)
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2017-04-25 16:42:36 +02:00
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# define STM32L4_SRAM1_SIZE (256*1024) /* 256Kb SRAM1 on AHB bus Matrix */
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# define STM32L4_SRAM2_SIZE (64*1024) /* 64Kb SRAM2 on AHB bus Matrix */
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2017-06-08 16:52:09 +02:00
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#elif defined(CONFIG_STM32L4_STM32L475XX) || defined(CONFIG_STM32L4_STM32L476XX) || \
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defined(CONFIG_STM32L4_STM32L486XX)
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2016-03-10 16:59:16 +01:00
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# define STM32L4_SRAM1_SIZE (96*1024) /* 96Kb SRAM1 on AHB bus Matrix */
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# define STM32L4_SRAM2_SIZE (32*1024) /* 32Kb SRAM2 on AHB bus Matrix */
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2017-05-02 14:20:11 +02:00
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#elif defined(CONFIG_STM32L4_STM32L451XX) || defined(CONFIG_STM32L4_STM32L452XX) || \
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defined(CONFIG_STM32L4_STM32L462XX)
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# define STM32L4_SRAM1_SIZE (128*1024) /* 128Kb SRAM1 on AHB bus Matrix */
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# define STM32L4_SRAM2_SIZE (32*1024) /* 32Kb SRAM2 on AHB bus Matrix */
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2018-11-09 16:54:20 +01:00
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#elif defined(CONFIG_STM32L4_STM32L432XX) || defined(CONFIG_STM32L4_STM32L433XX)
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2017-08-27 21:05:55 +02:00
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# define STM32L4_SRAM1_SIZE (48*1024) /* 48Kb SRAM1 on AHB bus Matrix */
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# define STM32L4_SRAM2_SIZE (16*1024) /* 16Kb SRAM2 on AHB bus Matrix */
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2018-11-09 16:54:20 +01:00
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#elif defined(CONFIG_STM32L4_STM32L412XX) || defined(CONFIG_STM32L4_STM32L422XX)
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# define STM32L4_SRAM1_SIZE (32*1024) /* 32Kb SRAM1 on AHB bus Matrix */
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# define STM32L4_SRAM2_SIZE (8*1024) /* 8Kb SRAM2 on AHB bus Matrix */
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2017-04-27 15:25:20 +02:00
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#else
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# error "Unsupported STM32L4 chip"
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2017-04-25 16:42:36 +02:00
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#endif
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2016-03-10 16:59:16 +01:00
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2018-08-13 15:06:51 +02:00
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#if defined(CONFIG_STM32L4_STM32L4XR)
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# define STM32L4_NFSMC 1 /* Have FSMC memory controller */
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# define STM32L4_NATIM 2 /* Two advanced timers TIM1 and 8 */
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# define STM32L4_NGTIM32 2 /* 32-bit general timers TIM2 and 5 with DMA */
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# define STM32L4_NGTIM16 2 /* 16-bit general timers TIM3 and 4 with DMA */
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# define STM32L4_NGTIMNDMA 3 /* 16-bit general timers TIM15-17 without DMA */
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# define STM32L4_NBTIM 2 /* Two basic timers, TIM6-7 */
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# define STM32L4_NLPTIM 2 /* Two low-power timers, LPTIM1-2 */
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# define STM32L4_NRNG 1 /* Random number generator (RNG) */
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# define STM32L4_NUART 2 /* UART 4-5 */
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# define STM32L4_NUSART 3 /* USART 1-3 */
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# define STM32L4_NLPUART 1 /* LPUART 1 */
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# define STM32L4_QSPI 0 /* No QuadSPI1 */
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# define STM32L4_OCTOSPI 2 /* OCTOSPI1-2 */
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# define STM32L4_NSPI 3 /* SPI1-3 */
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# define STM32L4_NI2C 4 /* I2C1-4 */
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# define STM32L4_NSWPMI 0 /* No SWPMI1 */
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# define STM32L4_NUSBOTGFS 1 /* USB OTG FS */
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# define STM32L4_NUSBFS 0 /* No USB FS */
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# define STM32L4_NCAN 1 /* CAN1 */
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# define STM32L4_NSAI 2 /* SAI1-2 */
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# define STM32L4_NSDMMC 1 /* SDMMC interface */
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# define STM32L4_NDMA 2 /* DMA1-2 */
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# define STM32L4_NPORTS 9 /* 9 GPIO ports, GPIOA-I */
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# define STM32L4_NADC 1 /* 12-bit ADC1, up to 20 channels */
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# define STM32L4_NDAC 2 /* 12-bit DAC1-2 */
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# define STM32L4_NCRC 1 /* CRC */
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# define STM32L4_NCOMP 2 /* Comparators */
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# define STM32L4_NOPAMP 2 /* Operational Amplifiers */
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#endif /* CONFIG_STM32L4_STM32L4XR */
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2017-06-08 19:07:20 +02:00
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#if defined(CONFIG_STM32L4_STM32L4X5)
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2017-06-08 16:52:09 +02:00
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# define STM32L4_NFSMC 1 /* Have FSMC memory controller */
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# define STM32L4_NATIM 2 /* Two advanced timers TIM1 and 8 */
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# define STM32L4_NGTIM32 2 /* 32-bit general timers TIM2 and 5 with DMA */
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# define STM32L4_NGTIM16 2 /* 16-bit general timers TIM3 and 4 with DMA */
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# define STM32L4_NGTIMNDMA 3 /* 16-bit general timers TIM15-17 without DMA */
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# define STM32L4_NBTIM 2 /* Two basic timers, TIM6-7 */
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# define STM32L4_NLPTIM 2 /* Two low-power timers, LPTIM1-2 */
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# define STM32L4_NRNG 1 /* Random number generator (RNG) */
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# define STM32L4_NUART 2 /* UART 4-5 */
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# define STM32L4_NUSART 3 /* USART 1-3 */
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# define STM32L4_NLPUART 1 /* LPUART 1 */
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# define STM32L4_QSPI 1 /* QuadSPI1 */
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# define STM32L4_NSPI 3 /* SPI1-3 */
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# define STM32L4_NI2C 3 /* I2C1-3 */
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# define STM32L4_NSWPMI 1 /* SWPMI1 */
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# define STM32L4_NUSBOTGFS 1 /* USB OTG FS */
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# define STM32L4_NUSBFS 0 /* No USB FS */
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# define STM32L4_NCAN 1 /* CAN1 */
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# define STM32L4_NSAI 2 /* SAI1-2 */
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# define STM32L4_NSDMMC 1 /* SDMMC interface */
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# define STM32L4_NDMA 2 /* DMA1-2 */
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# define STM32L4_NPORTS 8 /* 8 GPIO ports, GPIOA-H */
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# define STM32L4_NADC 3 /* 12-bit ADC1-3, 16 channels */
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# define STM32L4_NDAC 2 /* 12-bit DAC1-2 */
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# define STM32L4_NCRC 1 /* CRC */
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# define STM32L4_NCOMP 2 /* Comparators */
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# define STM32L4_NOPAMP 2 /* Operational Amplifiers */
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2017-06-08 19:07:20 +02:00
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#endif /* CONFIG_STM32L4_STM32L4X5 */
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2017-06-08 16:52:09 +02:00
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2017-05-02 14:20:11 +02:00
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#if defined(CONFIG_STM32L4_STM32L4X6)
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2016-03-10 16:59:16 +01:00
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# define STM32L4_NFSMC 1 /* Have FSMC memory controller */
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# define STM32L4_NATIM 2 /* Two advanced timers TIM1 and 8 */
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# define STM32L4_NGTIM32 2 /* 32-bit general timers TIM2 and 5 with DMA */
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# define STM32L4_NGTIM16 2 /* 16-bit general timers TIM3 and 4 with DMA */
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# define STM32L4_NGTIMNDMA 3 /* 16-bit general timers TIM15-17 without DMA */
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# define STM32L4_NBTIM 2 /* Two basic timers, TIM6-7 */
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# define STM32L4_NLPTIM 2 /* Two low-power timers, LPTIM1-2 */
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# define STM32L4_NRNG 1 /* Random number generator (RNG) */
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2016-12-01 16:00:59 +01:00
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# define STM32L4_NUART 2 /* UART 4-5 */
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2016-03-10 16:59:16 +01:00
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# define STM32L4_NUSART 3 /* USART 1-3 */
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# define STM32L4_NLPUART 1 /* LPUART 1 */
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2017-06-08 16:52:09 +02:00
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# define STM32L4_QSPI 1 /* QuadSPI1 */
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2016-03-10 16:59:16 +01:00
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# define STM32L4_NSPI 3 /* SPI1-3 */
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2017-04-25 16:42:36 +02:00
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#if defined(CONFIG_STM32L4_STM32L496XX)
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# define STM32L4_NI2C 4 /* I2C1-4 */
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#else
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2016-03-10 16:59:16 +01:00
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# define STM32L4_NI2C 3 /* I2C1-3 */
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2017-04-25 16:42:36 +02:00
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#endif
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2017-06-08 16:52:09 +02:00
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# define STM32L4_NSWPMI 1 /* SWPMI1 */
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2016-03-10 16:59:16 +01:00
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# define STM32L4_NUSBOTGFS 1 /* USB OTG FS */
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2017-05-02 14:20:11 +02:00
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# define STM32L4_NUSBFS 0 /* No USB FS */
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2017-04-25 16:42:36 +02:00
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#if defined(CONFIG_STM32L4_STM32L496XX)
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# define STM32L4_NCAN 2 /* CAN1-2 */
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#else
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2016-03-10 16:59:16 +01:00
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# define STM32L4_NCAN 1 /* CAN1 */
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2017-04-25 16:42:36 +02:00
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#endif
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2016-03-10 16:59:16 +01:00
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# define STM32L4_NSAI 2 /* SAI1-2 */
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# define STM32L4_NSDMMC 1 /* SDMMC interface */
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# define STM32L4_NDMA 2 /* DMA1-2 */
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2017-05-02 11:27:43 +02:00
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#if defined(CONFIG_STM32L4_STM32L496XX)
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# define STM32L4_NPORTS 9 /* 9 GPIO ports, GPIOA-I */
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#else
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2016-03-20 21:12:07 +01:00
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# define STM32L4_NPORTS 8 /* 8 GPIO ports, GPIOA-H */
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2017-05-02 11:27:43 +02:00
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#endif
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# define STM32L4_NADC 3 /* 12-bit ADC1-3, upto 24 channels */
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2016-03-10 16:59:16 +01:00
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# define STM32L4_NDAC 2 /* 12-bit DAC1-2 */
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# define STM32L4_NCRC 1 /* CRC */
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# define STM32L4_NCOMP 2 /* Comparators */
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# define STM32L4_NOPAMP 2 /* Operational Amplifiers */
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2017-05-02 14:20:11 +02:00
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#endif /* CONFIG_STM32L4_STM32L4X6 */
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#if defined(CONFIG_STM32L4_STM32L451XX) || defined(CONFIG_STM32L4_STM32L452XX) || \
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defined(CONFIG_STM32L4_STM32L462XX)
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# define STM32L4_NFSMC 0 /* No FSMC memory controller */
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# define STM32L4_NATIM 1 /* One advanced timer TIM1 */
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# define STM32L4_NGTIM32 1 /* 32-bit general timer TIM2 with DMA */
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# define STM32L4_NGTIM16 3 /* 16-bit general timers TIM3, TIM15-16 with DMA */
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# define STM32L4_NGTIMNDMA 0 /* No 16-bit general timers without DMA */
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# define STM32L4_NBTIM 1 /* One basic timer, TIM6 */
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# define STM32L4_NLPTIM 2 /* Two low-power timers, LPTIM1-2 */
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# define STM32L4_NRNG 1 /* Random number generator (RNG) */
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# define STM32L4_NUART 1 /* UART 4 */
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# define STM32L4_NUSART 3 /* USART 1-3 */
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# define STM32L4_NLPUART 1 /* LPUART 1 */
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2017-06-08 16:52:09 +02:00
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# define STM32L4_QSPI 1 /* QuadSPI1 */
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2017-05-02 14:20:11 +02:00
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# define STM32L4_NSPI 3 /* SPI1-3 */
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# define STM32L4_NI2C 4 /* I2C1-4 */
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2017-06-08 16:52:09 +02:00
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# define STM32L4_NSWPMI 1 /* SWPMI1 */
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2017-05-02 14:20:11 +02:00
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# define STM32L4_NUSBOTGFS 0 /* No USB OTG FS */
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#if defined(CONFIG_STM32L4_STM32L451XX)
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# define STM32L4_NUSBFS 0 /* No USB FS */
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#else
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# define STM32L4_NUSBFS 1 /* USB FS */
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#endif
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# define STM32L4_NCAN 1 /* CAN1 */
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# define STM32L4_NSAI 1 /* SAI1 */
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#if defined(CONFIG_STM32L4_HAVE_SDMMC1)
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# define STM32L4_NSDMMC 1 /* SDMMC interface */
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#else
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# define STM32L4_NSDMMC 0 /* No SDMMC interface */
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#endif
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# define STM32L4_NDMA 2 /* DMA1-2 */
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# define STM32L4_NPORTS 8 /* 8 GPIO ports, GPIOA-H */
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# define STM32L4_NADC 1 /* 12-bit ADC1, 16 channels (10 in CE,CV) */
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# define STM32L4_NDAC 1 /* 12-bit DAC1 */
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# define STM32L4_NCRC 1 /* CRC */
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# define STM32L4_NCOMP 2 /* Comparators */
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# define STM32L4_NOPAMP 1 /* Operational Amplifiers */
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#endif /* CONFIG_STM32L4_STM32L451XX */
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#if defined(CONFIG_STM32L4_STM32L432XX)
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# define STM32L4_NFSMC 0 /* No FSMC memory controller */
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# define STM32L4_NATIM 1 /* One advanced timer TIM1 */
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# define STM32L4_NGTIM32 1 /* 32-bit general timer TIM2 with DMA */
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# define STM32L4_NGTIM16 2 /* 16-bit general timers TIM15-16 with DMA */
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# define STM32L4_NGTIMNDMA 0 /* No 16-bit general timers without DMA */
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# define STM32L4_NBTIM 2 /* Two basic timers, TIM6-7 */
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# define STM32L4_NLPTIM 2 /* Two low-power timers, LPTIM1-2 */
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# define STM32L4_NRNG 1 /* Random number generator (RNG) */
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# define STM32L4_NUART 0 /* No UART */
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# define STM32L4_NUSART 2 /* USART 1-2 */
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# define STM32L4_NLPUART 1 /* LPUART 1 */
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2017-06-08 16:52:09 +02:00
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# define STM32L4_QSPI 1 /* QuadSPI1 */
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2017-05-02 14:20:11 +02:00
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# define STM32L4_NSPI 2 /* SPI1, SPI3 */
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# define STM32L4_NI2C 2 /* I2C1, I2C3 */
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2017-06-08 16:52:09 +02:00
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# define STM32L4_NSWPMI 1 /* SWPMI1 */
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2017-05-02 14:20:11 +02:00
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# define STM32L4_NUSBOTGFS 0 /* No USB OTG FS */
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# define STM32L4_NUSBFS 1 /* USB FS */
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# define STM32L4_NCAN 1 /* CAN1 */
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# define STM32L4_NSAI 1 /* SAI1 */
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# define STM32L4_NSDMMC 0 /* No SDMMC interface */
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# define STM32L4_NDMA 2 /* DMA1-2 */
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# define STM32L4_NPORTS 8 /* 8 GPIO ports, GPIOA-H */
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# define STM32L4_NADC 1 /* 12-bit ADC1, 10 channels */
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# define STM32L4_NDAC 2 /* 12-bit DAC1-2 */
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# define STM32L4_NCRC 1 /* CRC */
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# define STM32L4_NCOMP 2 /* Comparators */
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# define STM32L4_NOPAMP 1 /* Operational Amplifiers */
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#endif /* CONFIG_STM32L4_STM32L432XX */
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2016-03-10 16:59:16 +01:00
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2017-08-27 21:05:55 +02:00
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#if defined(CONFIG_STM32L4_STM32L433XX)
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# define STM32L4_NFSMC 0 /* No FSMC memory controller */
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# define STM32L4_NATIM 1 /* One advanced timer TIM1 */
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# define STM32L4_NGTIM32 1 /* 32-bit general timer TIM2 with DMA */
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# define STM32L4_NGTIM16 2 /* 16-bit general timers TIM15-16 with DMA */
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# define STM32L4_NGTIMNDMA 0 /* No 16-bit general timers without DMA */
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# define STM32L4_NBTIM 2 /* Two basic timers, TIM6-7 */
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# define STM32L4_NLPTIM 2 /* Two low-power timers, LPTIM1-2 */
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# define STM32L4_NRNG 1 /* Random number generator (RNG) */
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# define STM32L4_NUART 0 /* No UART */
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2019-12-31 14:47:06 +01:00
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# define STM32L4_NUSART 3 /* USART 1-3 */
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2017-08-27 21:05:55 +02:00
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# define STM32L4_NLPUART 1 /* LPUART 1 */
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# define STM32L4_QSPI 1 /* QuadSPI1 */
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# define STM32L4_NSPI 3 /* SPI1-SPI3 */
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# define STM32L4_NI2C 3 /* I2C1-I2C3 */
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# define STM32L4_NSWPMI 1 /* SWPMI1 */
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# define STM32L4_NUSBOTGFS 0 /* No USB OTG FS */
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# define STM32L4_NUSBFS 1 /* USB FS */
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# define STM32L4_NCAN 1 /* CAN1 */
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# define STM32L4_NSAI 1 /* SAI1 */
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# define STM32L4_NSDMMC 1 /* SDMMC interface */
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# define STM32L4_NDMA 2 /* DMA1-2 */
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# define STM32L4_NPORTS 8 /* 8 GPIO ports, GPIOA-H */
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# define STM32L4_NADC 1 /* 12-bit ADC1, 10 channels */
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# define STM32L4_NDAC 2 /* 12-bit DAC1-2 */
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# define STM32L4_NCRC 1 /* CRC */
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# define STM32L4_NCOMP 2 /* Comparators */
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# define STM32L4_NOPAMP 1 /* Operational Amplifiers */
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2018-11-09 16:54:20 +01:00
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#endif /* CONFIG_STM32L4_STM32L433XX */
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#if defined(CONFIG_STM32L4_STM32L412XX) || defined(CONFIG_STM32L4_STM32L422XX)
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# define STM32L4_NFSMC 0 /* No FSMC memory controller */
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# define STM32L4_NATIM 1 /* One advanced timer TIM1 */
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# define STM32L4_NGTIM32 1 /* 32-bit general timer TIM2 with DMA */
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# define STM32L4_NGTIM16 2 /* 16-bit general timers TIM15-16 with DMA */
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# define STM32L4_NGTIMNDMA 0 /* No 16-bit general timers without DMA */
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# define STM32L4_NBTIM 1 /* One basic timer, TIM6 */
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# define STM32L4_NLPTIM 2 /* Two low-power timers, LPTIM1-2 */
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# define STM32L4_NRNG 1 /* Random number generator (RNG) */
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# define STM32L4_NUART 0 /* No UART */
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# define STM32L4_NUSART 3 /* USART 1-3 */
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# define STM32L4_NLPUART 1 /* LPUART 1 */
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# define STM32L4_QSPI 1 /* QuadSPI1 */
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# define STM32L4_NSPI 3 /* SPI1-SPI3 */
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# define STM32L4_NI2C 3 /* I2C1-I2C3 */
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# define STM32L4_NSWPMI 0 /* No SWPMI */
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# define STM32L4_NUSBOTGFS 0 /* No USB OTG FS */
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# define STM32L4_NUSBFS 1 /* USB FS */
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# define STM32L4_NCAN 0 /* No CAN */
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# define STM32L4_NSAI 0 /* No SAI */
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# define STM32L4_NSDMMC 0 /* No SDMMC interface */
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# define STM32L4_NDMA 2 /* DMA1-2 */
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# define STM32L4_NPORTS 8 /* 8 GPIO ports, GPIOA-H */
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# define STM32L4_NADC 2 /* 12-bit ADC1-2, 10 channels */
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# define STM32L4_NDAC 0 /* No DAC */
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# define STM32L4_NCRC 1 /* CRC */
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# define STM32L4_NCOMP 2 /* Comparators */
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# define STM32L4_NOPAMP 1 /* Operational Amplifiers */
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#endif /* CONFIG_STM32L4_STM32L412XX || CONFIG_STM32L4_STM32L422XX */
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2017-08-27 21:05:55 +02:00
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2016-03-10 16:59:16 +01:00
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/* NVIC priority levels *************************************************************/
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/* 16 Programmable interrupt levels */
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#define NVIC_SYSH_PRIORITY_MIN 0xf0 /* All bits set in minimum priority */
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#define NVIC_SYSH_PRIORITY_DEFAULT 0x80 /* Midpoint is the default */
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#define NVIC_SYSH_PRIORITY_MAX 0x00 /* Zero is maximum priority */
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#define NVIC_SYSH_PRIORITY_STEP 0x10 /* Four bits of interrupt priority used */
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#endif /* __ARCH_ARM_INCLUDE_STM32L4_CHIP_H */
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