/************************************************************************************ * arch/arm/include/samd/chip.h * * Copyright (C) 2014 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * 3. Neither the name NuttX nor the names of its contributors may be * used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * ************************************************************************************/ #ifndef __ARCH_ARM_INCLUDE_SAMD_CHIP_H #define __ARCH_ARM_INCLUDE_SAMD_CHIP_H /************************************************************************************ * Included Files ************************************************************************************/ #include /************************************************************************************ * Pre-processor Definitions ************************************************************************************/ /* Get customizations for each supported chip */ /* SAMD20 Family ********************************************************************/ /* FEATURE SAM D20J SAM D20G SAM D20E * ------------------- ------------------ ------------------ -------- * No. of pins 64 48 32 * Flash 256/128/64/32/16KB 256/128/64/32/16KB 256/128/64/32/16KB * SRAM 32/16/8/4/2KB 32/16/8/4/2KB 32/16/8/4/2KB * Max. Freq. 48MHz 48MHz 48MHz * Event channels 8 8 8 * Timer/counters 8 6 6 * TC output channels 2 2 2 * SERCOM 6 6 4 * ADC channels 20 14 10 * Comparators 2 2 2 * DAC channels 1 1 1 * RTC Yes Yes Yes * RTC alarms 1 1 1 * RTC compare 1 32-bit/2 16-bit 1 32-bit/2 16-bit 1 32-bit/2 16-bit * External interrupts 16 16 16 * PTC X an Y 16x16 12x10 10x6 * Packages QFN/TQFP QFN/TQFP QFN/TQFP * Oscillators XOSC32, XOSC, OSC32K, OSCULP32K, OSC8M, and DFLL48M * SW Debug interface Yes Yes Yes * Watchdog timer Yes Yes Yes */ #if defined(CONFIG_ARCH_CHIP_SAMD20E14) # define SAMD20 1 /* SAMD20 family */ # define SAMD20E 1 /* SAMD20E */ # undef SAMD20G # undef SAMD20J /* Internal memory */ # define SAMD_FLASH_SIZE (16*1024) /* 16KB */ # define SAMD_SRAM0_SIZE (2*1024) /* 2KB */ #elif defined(CONFIG_ARCH_CHIP_SAMD20E15) # define SAMD20 1 /* SAMD20 family */ # define SAMD20E 1 /* SAMD20E */ # undef SAMD20G # undef SAMD20J /* Internal memory */ # define SAMD_FLASH_SIZE (32*1024) /* 32KB */ # define SAMD_SRAM0_SIZE (4*1024) /* 4KB */ #elif defined(CONFIG_ARCH_CHIP_SAMD20E16) # define SAMD20 1 /* SAMD20 family */ # define SAMD20E 1 /* SAMD20E */ # undef SAMD20G # undef SAMD20J /* Internal memory */ # define SAMD_FLASH_SIZE (64*1024) /* 64KB */ # define SAMD_SRAM0_SIZE (8*1024) /* 8KB */ #elif defined(CONFIG_ARCH_CHIP_SAMD20E17) # define SAMD20 1 /* SAMD20 family */ # define SAMD20E 1 /* SAMD20E */ # undef SAMD20G # undef SAMD20J /* Internal memory */ # define SAMD_FLASH_SIZE (128*1024) /* 128KB */ # define SAMD_SRAM0_SIZE (16*1024) /* 16KB */ #elif defined(CONFIG_ARCH_CHIP_SAMD20E18) # define SAMD20 1 /* SAMD20 family */ # define SAMD20E 1 /* SAMD20E */ # undef SAMD20G # undef SAMD20J /* Internal memory */ # define SAMD_FLASH_SIZE (256*1024) /* 256KB */ # define SAMD_SRAM0_SIZE (32*1024) /* 32KB */ #elif defined(CONFIG_ARCH_CHIP_SAMD20G14) # define SAMD20 1 /* SAMD20 family */ # undef SAMD20E # define SAMD20G 1 /* SAMD20G */ # undef SAMD20J /* Internal memory */ # define SAMD_FLASH_SIZE (16*1024) /* 16KB */ # define SAMD_SRAM0_SIZE (2*1024) /* 2KB */ #elif defined(CONFIG_ARCH_CHIP_SAMD20G15) # define SAMD20 1 /* SAMD20 family */ # undef SAMD20E # define SAMD20G 1 /* SAMD20G */ # undef SAMD20J /* Internal memory */ # define SAMD_FLASH_SIZE (32*1024) /* 32KB */ # define SAMD_SRAM0_SIZE (4*1024) /* 4KB */ #elif defined(CONFIG_ARCH_CHIP_SAMD20G16) # define SAMD20 1 /* SAMD20 family */ # undef SAMD20E # define SAMD20G 1 /* SAMD20G */ # undef SAMD20J /* Internal memory */ # define SAMD_FLASH_SIZE (64*1024) /* 64KB */ # define SAMD_SRAM0_SIZE (8*1024) /* 8KB */ #elif defined(CONFIG_ARCH_CHIP_SAMD20G17) # define SAMD20 1 /* SAMD20 family */ # undef SAMD20E # define SAMD20G 1 /* SAMD20G */ # undef SAMD20J /* Internal memory */ # define SAMD_FLASH_SIZE (128*1024) /* 128KB */ # define SAMD_SRAM0_SIZE (16*1024) /* 16KB */ #elif defined(CONFIG_ARCH_CHIP_SAMD20G18) # define SAMD20 1 /* SAMD20 family */ # undef SAMD20E # define SAMD20G 1 /* SAMD20G */ # undef SAMD20J /* Internal memory */ # define SAMD_FLASH_SIZE (256*1024) /* 256KB */ # define SAMD_SRAM0_SIZE (32*1024) /* 32KB */ #elif defined(CONFIG_ARCH_CHIP_SAMD20J14) # define SAMD20 1 /* SAMD20 family */ # undef SAMD20E # undef SAMD20G # define SAMD20J 1 /* SAMD20J */ /* Internal memory */ # define SAMD_FLASH_SIZE (16*1024) /* 16KB */ # define SAMD_SRAM0_SIZE (2*1024) /* 2KB */ #elif defined(CONFIG_ARCH_CHIP_SAMD20J15) # define SAMD20 1 /* SAMD20 family */ # undef SAMD20E # undef SAMD20G # define SAMD20J 1 /* SAMD20J */ /* Internal memory */ # define SAMD_FLASH_SIZE (32*1024) /* 32KB */ # define SAMD_SRAM0_SIZE (4*1024) /* 4KB */ #elif defined(CONFIG_ARCH_CHIP_SAMD20J16) # define SAMD20 1 /* SAMD20 family */ # undef SAMD20E # undef SAMD20G # define SAMD20J 1 /* SAMD20J */ /* Internal memory */ # define SAMD_FLASH_SIZE (64*1024) /* 64KB */ # define SAMD_SRAM0_SIZE (8*1024) /* 8KB */ #elif defined(CONFIG_ARCH_CHIP_SAMD20J17) # define SAMD20 1 /* SAMD20 family */ # undef SAMD20E # undef SAMD20G # define SAMD20J 1 /* SAMD20J */ /* Internal memory */ # define SAMD_FLASH_SIZE (128*1024) /* 128KB */ # define SAMD_SRAM0_SIZE (16*1024) /* 16KB */ #elif defined(CONFIG_ARCH_CHIP_SAMD20J18) # define SAMD20 1 /* SAMD20 family */ # undef SAMD20E # undef SAMD20G # define SAMD20J 1 /* SAMD20J */ /* Internal memory */ # define SAMD_FLASH_SIZE (256*1024) /* 256KB */ # define SAMD_SRAM0_SIZE (32*1024) /* 32KB */ #endif /* SAMD20 Peripherals */ #if defined(SAMD20E) # define SAMD_NEVENTS 8 /* 8 event channels */ # define SAMD_NTC 6 /* 6 Timer/counters */ # define SAMD_NTCOUT 2 /* 2 TC output channels */ # define SAMD_NSERCOM 4 /* 4 SERCOM */ # define SAMD_NADC 10 /* 10 ADC channels */ # define SAMD_NCMP 2 /* 2 Comparators */ # define SAMD_NDAC 1 /* 1 DAC channel */ # define SAMD_RTC 1 /* Have RTC */ # define SAMD_NALARMS 1 /* 1 RTC alarm */ # define SAMD_NRTCMP 1 /* RTC compare: 1 32-bit/2 16-bit */ # define SAMD_NEXTINT 16 /* 16 External interrupts */ # define SAMD_NPTCX 10 /* PTC X */ # define SAMD_NPTCY 6 /* PTC Y */ # define SAMD_WDT /* Have watchdog timer */ #elif defined(SAMD20G) # define SAMD_NEVENTS 8 /* 8 event channels */ # define SAMD_NTC 6 /* 6 Timer/counters */ # define SAMD_NTCOUT 2 /* 2 TC output channels */ # define SAMD_NSERCOM 6 /* 6 SERCOM */ # define SAMD_NADC 15 /* 14 ADC channels */ # define SAMD_NCMP 2 /* 2 Comparators */ # define SAMD_NDAC 1 /* 1 DAC channel */ # define SAMD_RTC 1 /* Have RTC */ # define SAMD_NALARMS 1 /* 1 RTC alarm */ # define SAMD_NRTCMP 1 /* RTC compare: 1 32-bit/2 16-bit */ # define SAMD_NEXTINT 16 /* 16 External interrupts */ # define SAMD_NPTCX 12 /* PTC X */ # define SAMD_NPTCY 10 /* PTC Y */ # define SAMD_WDT /* Have watchdog timer */ #elif defined(SAMD20J) # define SAMD_NEVENTS 8 /* 8 event channels */ # define SAMD_NTC 8 /* 8 Timer/counters */ # define SAMD_NTCOUT 2 /* 2 TC output channels */ # define SAMD_NSERCOM 6 /* 6 SERCOM */ # define SAMD_NADC 20 /* 20 ADC channels */ # define SAMD_NCMP 2 /* 2 Comparators */ # define SAMD_NDAC 1 /* 1 DAC channel */ # define SAMD_RTC 1 /* Have RTC */ # define SAMD_NALARMS 1 /* 1 RTC alarm */ # define SAMD_NRTCMP 1 /* RTC compare: 1 32-bit/2 16-bit */ # define SAMD_NEXTINT 16 /* 16 External interrupts */ # define SAMD_NPTCX 16 /* PTC X */ # define SAMD_NPTCY 16 /* PTC Y */ # define SAMD_WDT /* Have watchdog timer */ #endif /* NVIC priority levels *************************************************************/ /* Each priority field holds a priority value, 0-3. The lower the value, the greater * the priority of the corresponding interrupt. The processor implements only * bits[7:6] of each field, bits[5:0] read as zero and ignore writes. */ #define NVIC_SYSH_PRIORITY_MIN 0xc0 /* All bits[7:3] set is minimum priority */ #define NVIC_SYSH_PRIORITY_DEFAULT 0x80 /* Midpoint is the default */ #define NVIC_SYSH_PRIORITY_MAX 0x00 /* Zero is maximum priority */ #define NVIC_SYSH_PRIORITY_STEP 0x40 /* Five bits of interrupt priority used */ /************************************************************************************ * Public Types ************************************************************************************/ /************************************************************************************ * Public Data ************************************************************************************/ /************************************************************************************ * Public Functions ************************************************************************************/ #endif /* __ARCH_ARM_INCLUDE_SAMD_CHIP_H */