140 lines
4.1 KiB
ReStructuredText
140 lines
4.1 KiB
ReStructuredText
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===========
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NXP S32K1XX
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===========
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The `S32K1XX series <https://www.nxp.com/products/processors-and-microcontrollers/s32-automotive-platform/s32k-general-purpose-mcus/s32k1-microcontrollers-for-general-purpose:S32K1>`_ is a family of automotive-grade general-purpose microcontrollers from NXP Semiconductors. The lower end of the family is based on an Arm Cortex-M0+ core and can run at clockspeeds up to 48 MHz. The higher end chips are based on the Arm Cortex-M4F core which runs at up to 80 or 112 MHz.
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Supported MCUs
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==============
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The following list includes MCUs from the S32K1XX series and indicates whether they are supported in NuttX:
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======== ======= ========== =========
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MCU Support Core Frequency
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======== ======= ========== =========
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S32K116 Yes* Cortex-M0+ 48 MHz
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S32K118 Yes* Cortex-M0+ 48 MHz
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S32K142 Yes* Cortex-M4F 112 MHz
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S32K144 Yes Cortex-M4F 112 MHz
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S32K146 Yes Cortex-M4F 112 MHz
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S32K148 Yes Cortex-M4F 112 MHz
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S32K142W No** Cortex-M4F 80 MHz
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S32K144W No** Cortex-M4F 80 MHz
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======== ======= ========== =========
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| \* Supported but (mostly) untested.
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| ** Not supported (yet), but it is expected that existing code can be adapted with limited effort.
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Supported Modules & Peripherals
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===============================
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The following list indicates modules and peripherals supported in NuttX. Note that this list does not include all MCU modules. Please refer to the S32K1XX Reference Manual for a complete overview of its features.
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========== ======= ==========================
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Peripheral Support Comments
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========== ======= ==========================
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ADC No
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CMP No
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eDMA No
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EEEPROM Yes EEPROM emulated by FlexRAM
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ENET Yes
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FlexCAN Yes SocketCAN-compatible
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FlexIO No
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FTM Yes PWM driver only
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GPIO Yes
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LPI2C Yes I2C Master and Slave
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LPSPI Yes
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LPUART Yes
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QSPI No
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RTC Yes
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SAI No
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========== ======= ==========================
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ADC
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---
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12-Bit Successive Approximation (SAR) Analog-to-Digital Converter (ADC). No driver support (yet).
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CMP
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---
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Analog Comparator. No driver support (yet).
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eDMA
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----
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Enhanced Direct Memory Access module. There is a driver that was copied from the i.MX RT port, but this was not tested on S32K1XX.
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EEEPROM
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-------
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Emulated EEPROM (implemented by FlexRAM module). A basic block driver is available to read and write data.
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ENET
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----
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10/100 Mbit/s Ethernet MAC. Only available on S32K148. Driver is available.
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FlexCAN
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-------
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The S32K1XX family has up to 3x FlexCAN modules (which may not all have CAN FD support). A SocketCAN-compatible driver is available.
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FlexIO
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------
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A configurable module providing a range of functionality like emulation of a variety of serial/parallel communication protocols, flexible 16-bit timers or programmable logic blocks. No driver available.
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FTM
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---
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A PWM driver based on FlexTimer (FTM) is available.
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GPIO
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----
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Pins can be configured using :c:func:`s32k1xx_pinconfig` function. Writing to pins is done by :c:func:`s32k1xx_gpiowrite` function and reading is done by :c:func:`s32k1xx_gpioread`.
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LPI2C
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-----
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Low-Power Inter-Integrated Circuit (I2C) module supporting an interface to an I2C bus as master and/or
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as a slave. The lower-half of this driver is initialize by calling :c:func:`s32k1xx_i2cbus_initialize`.
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LPSPI
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-----
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Low-Power Serial Peripheral Interface (SPI) module that supports an interface to an SPI bus as a master
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and/or a slave. The lower-half of this driver is initialize by calling :c:func:`s32k1xx_lpspibus_initialize`.
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LPUART
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------
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Low-Power Universal Asynchronous Receiver/Transmitter (UART) module. UART is initialized automatically during
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MCU boot.
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QSPI
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----
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QuadSPI memory interface for external serial flash devices. No driver implemented.
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RTC
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---
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Real-Time Clock module. A basic driver has been implemented.
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SAI
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---
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The Synchronous Audio Interface for digital audio over I2S (Inter-IC Sound) is only available on S32K148. No driver implemented.
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Supported Boards
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================
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.. toctree::
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:glob:
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:maxdepth: 1
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boards/*/*
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