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boards: microchip Addition of pic32cxsg board
Addition of pic32cxsg SG41 Curiosity Ultra board Signed-off-by: Michael D Sherwood <[email protected]>
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‎boards/microchip/pic32cxsg41_cult/Kconfig.defconfig

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# PIC32CX SG41 Curiosity Ultra board configuration
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#
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# Copyright (c) 2024 Microchip
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# SPDX-License-Identifier: Apache-2.0
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if ETH_SAM_GMAC
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# Read MAC address from AT24MAC402 EEPROM
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config ETH_SAM_GMAC_MAC_I2C_INT_ADDRESS
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default 0x9A
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config ETH_SAM_GMAC_MAC_I2C_INT_ADDRESS_SIZE
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default 1
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config ETH_SAM_GMAC_MAC_I2C_EEPROM
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default y
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select I2C
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endif # ETH_SAM_GMAC
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if NETWORKING
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config NET_L2_ETHERNET
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default y
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endif # NETWORKING

‎boards/microchip/pic32cxsg41_cult/Kconfig.pic32cxsg41_cult

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# Copyright (c) 2024 Microchip
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# SPDX-License-Identifier: Apache-2.0
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config BOARD_PIC32CXSG41_CULT
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select SOC_PIC32CX1025SG41128

‎boards/microchip/pic32cxsg41_cult/board.cmake

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# Copyright (c) 2024 Microchip
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# SPDX-License-Identifier: Apache-2.0
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include(${ZEPHYR_BASE}/boards/common/jlink.board.cmake)
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board_finalize_runner_args(jlink "--device=pic32cx1025sg41128")

‎boards/microchip/pic32cxsg41_cult/board.yml

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board:
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name: pic32cxsg41_cult
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full_name: PIC32CX SG41 Curiosity Ultra Evaluation Kit
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vendor: microchip
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socs:
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- name: pic32cx1025sg41128

‎boards/microchip/pic32cxsg41_cult/board_jlink.cmake

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# Copyright (c) 2024 Microchip
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# SPDX-License-Identifier: Apache-2.0
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include(${ZEPHYR_BASE}/boards/common/jlink.board.cmake)
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board_finalize_runner_args(jlink "--device=pic32cx1025sg41128")

‎boards/microchip/pic32cxsg41_cult/doc/img/PIC32CXSG41-pinout1.jpg

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‎boards/microchip/pic32cxsg41_cult/doc/img/PIC32CXSG41-pinout2.jpg

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‎boards/microchip/pic32cxsg41_cult/doc/img/PIC32CXSG41-pinout3.jpg

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‎boards/microchip/pic32cxsg41_cult/doc/img/pic32cx_sg41_cult.jpg

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‎boards/microchip/pic32cxsg41_cult/doc/index.rst

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.. zephyr:board:: pic32cxsg41_cult
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Overview
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********
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The PIC32CX SG41 Curiosity Ultra evaluation kit is ideal for evaluation and
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prototyping with the PIC32CX SG Cortex®-M4F processor-based
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microcontrollers. The kit includes Microchip’s Embedded Debugger (EDBG),
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which provides a full debug interface without the need for additional
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hardware.
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Hardware
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********
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- PIC32CX1025SG41 ARM Cortex-M4F processor at 120 MHz
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- 32.768 kHz crystal oscillator
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- 12 MHz crystal oscillator
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- 1024 KiB flash memory and 256 KiB of RAM
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- Two yellow user LEDs
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- Two mechanical user push buttons
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- One reset button
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- On-board USB based EDBG unit with serial console
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- Embedded Debugger MCU (PKoB4)
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- 64 Mbit QSPI Flash
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- AT24MAC402 serial EEPROM with EUI-48™ MAC address
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- Ethernet transceiver 10/100 Mbps Ethernet MAC,
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compatible with the IEEE 802.3 standard.
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- Arduino Uno header connectors
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- X32 Audio Interface Headers
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- mikroBUS header connectors
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- DAC Output header
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- USB interface, host, and device
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- SD/SDIO card connector
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Supported Features
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==================
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The pic32cxsg41_cult board configuration supports the following hardware
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features:
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+---------------+------------+----------------------------+
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| Interface | Controller | Driver/Component |
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+===============+============+============================+
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| ADC | on-chip | adc |
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+---------------+------------+----------------------------+
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| DAC | on-chip | dac |
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+---------------+------------+----------------------------+
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| DMAC | on-chip | dma |
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+---------------+------------+----------------------------+
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| EEPROM | i2c | eeprom, EUI-48 MAC Address |
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+---------------+------------+----------------------------+
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| EIC | on-chip | interrupt_controller |
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+---------------+------------+----------------------------+
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| GMAC | on-chip | ethernet, mdio |
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+---------------+------------+----------------------------+
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| GPIO | on-chip | gpio |
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+---------------+------------+----------------------------+
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| MPU | on-chip | arch/arm |
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+---------------+------------+----------------------------+
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| NVIC | on-chip | arch/arm |
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+---------------+------------+----------------------------+
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| NVMCTRL | on-chip | flash |
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+---------------+------------+----------------------------+
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| PORT | on-chip | pinctrl |
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+---------------+------------+----------------------------+
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| RTC | on-chip | timer |
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+---------------+------------+----------------------------+
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| SERCOM I2C | on-chip | i2c |
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+---------------+------------+----------------------------+
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| SERCOM SPI | on-chip | spi |
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+---------------+------------+----------------------------+
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| SERCOM USART | on-chip | serial, console |
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+---------------+------------+----------------------------+
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| Serial Number | on-chip | hwinfo |
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+---------------+------------+----------------------------+
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| SYSTICK | on-chip | timer |
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+---------------+------------+----------------------------+
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| TC | on-chip | counter |
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+---------------+------------+----------------------------+
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| TCC | on-chip | counter, pwm |
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+---------------+------------+----------------------------+
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| TRNG | on-chip | entropy |
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+---------------+------------+----------------------------+
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| USB | on-chip | usb |
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+---------------+------------+----------------------------+
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| WDT | on-chip | watchdog |
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+---------------+------------+----------------------------+
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Other hardware features are not currently supported by Zephyr.
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The default configuration can be found in the Kconfig
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:zephyr_file:`boards/microchip/pic32cxsg41_cult/pic32cxsg41_cult_defconfig`.
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Pin Mapping
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===========
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The Microchip PIC32CXSG41 Curiosity Ultra evaluation kit has 4 GPIO controllers. These
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controllers are responsible for pin muxing, input/output, pull-up, etc.
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For more details please refer to `Microchip PIC32CX SG41/SG60/SG61 Family Datasheet`_ and
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the `Microchip PIC32CXSG41 Curiosity Ultra Schematic`_.
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.. image:: img/PIC32CXSG41-pinout1.jpg
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:align: center
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:alt: PIC32CXSG41-CULT-pinout1
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.. image:: img/PIC32CXSG41-pinout2.jpg
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:align: center
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:alt: PIC32CXSG41-CULT-pinout2
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.. image:: img/PIC32CXSG41-pinout3.jpg
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:align: center
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:alt: PIC32CXSG41-CULT-pinout3
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Default Zephyr Peripheral Mapping:
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----------------------------------
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- SERCOM2 USART TX : PB13
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- SERCOM2 USART RX : PB12
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- GPIO/PWM LED1 : PC21
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- GPIO/PWM LED2 : PA16
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- GPIO SW1 : PD00
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- GPIO SW2 : PD01
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- GMAC RMII REFCK : PA14
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- GMAC RMII TXEN : PA17
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- GMAC RMII TXD0 : PA18
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- GMAC RMII TXD1 : PA19
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- GMAC RMII CRSDV : PC20
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- GMAC RMII RXD0 : PA13
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- GMAC RMII RXD1 : PA12
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- GMAC RMII RXER : PA15
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- GMAC MDIO MDC : PC11
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- GMAC MDIO MDIO : PC12
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- SERCOM0 SPI SCK : PB24
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- SERCOM0 SPI MOSI : PB25
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- SERCOM0 SPI MISO : PC25
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- SERCOM0 SPI SS : PC24
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- SERCOM7 I2C SDA : PD08
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- SERCOM7 I2C SCL : PD09
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- USB DP : PA25
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- USB DM : PA24
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System Clock
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============
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The PIC32CXSG41 MCU is configured to use the 32.768 kHz external oscillator
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with the on-chip PLL generating the 48 MHz system clock.
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Serial Port
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===========
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The PIC32CXSG41 MCU has 8 SERCOM based USARTs with one configured as USARTs in
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this BSP. SERCOM4 is the default Zephyr console.
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- SERCOM4 115200 8n1 connected to the onboard Microchip Embedded Debugger (EDBG)
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PWM
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===
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The PIC32CXSG41 MCU has 5 TCC based PWM units with up to 6 outputs each and a period
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of 24 bits or 16 bits. If :code:`CONFIG_PWM_PIC32CXSG_TCC` is enabled then LED0 is
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driven by TCC0 instead of by GPIO.
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SPI Port
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========
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The PIC32CXSG41 MCU has 8 SERCOM based SPIs.
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I2C Port
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========
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The PIC32CXSG41 MCU has 5 SERCOM based I2Cs. On the Microchip PIC32CXSG41 Curiosity Ultra,
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SERCOM7 is connected to a AT24MAC402 EEPROM.
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Programming and Debugging
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*************************
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The Microchip PIC32CXSG41 Curiosity Ultra comes with a Microchip Embedded Debugger (EDBG).
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This provides a debug interface to the PIC32CXSG41 chip and is supported by OpenOCD.
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Flashing
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========
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#. Build the Zephyr kernel and the ``hello_world`` sample application:
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.. zephyr-app-commands::
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:zephyr-app: samples/hello_world
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:board: pic32cxsg41_cult
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:goals: build
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:compact:
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#. Connect the Microchip PIC32CXSG41 Curiosity Ultra to your host computer using the USB debug
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port.
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#. Run your favorite terminal program to listen for output. Under Linux the
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terminal should be :code:`/dev/ttyACM0`. For example:
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.. code-block:: console
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$ minicom -D /dev/ttyACM0 -o
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The -o option tells minicom not to send the modem initialization
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string. Connection should be configured as follows:
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- Speed: 115200
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- Data: 8 bits
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- Parity: None
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- Stop bits: 1
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#. To flash an image:
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.. zephyr-app-commands::
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:zephyr-app: samples/hello_world
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:board: pic32cxsg41_cult
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:goals: flash
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:compact:
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You should see "Hello World! pic32cxsg41_cult" in your terminal.
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Debugging
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=========
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.svd files are included in hal_microchip/pic32c/pic32cxsg/include/pic32cxsg41/svd
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References
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**********
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.. target-notes::
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.. _Microchip website:
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https://www.microchip.com/en-us/development-tool/EV06X38A
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.. _PIC32CX SG41/SG60/SG61 Family Datasheet:
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https://ww1.microchip.com/downloads/aemDocuments/documents/MCU32/ProductDocuments/DataSheets/PIC32CX-SG41-SG60-SG61-Family-Data-Sheet-DS60001715.pdf

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