95 lines
1.6 KiB
Plaintext
95 lines
1.6 KiB
Plaintext
README
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======
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This README discusses issues unique to NuttX configurations for the
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AT32F437-MINI development board featuring the AT32F437VMT7
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MCU. The AT32F437VMT7 is a 288MHz Cortex-M4 operation with 4Mbyte Flash
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memory and 384kbytes.
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LEDs
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====
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LED1 = PE2
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LED2 = PE3
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USART/UART
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====
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USART1
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RX = PA10
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TX = PA9
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The usart1 is used for console.
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./tools/configure.sh at32f437-mini/nsh
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make -j16 and flash nuttx.hex,then run it will show:
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NuttShell (NSH) NuttX-12.2.1
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nsh>
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nsh>
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nsh> ps
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PID GROUP PRI POLICY TYPE NPX STATE EVENT SIGMASK STACK COMMAND
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0 0 0 FIFO Kthread N-- Ready 0000000000000000 001016 Idle_Task
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2 2 100 RR Task --- Running 0000000000000000 002016 nsh_main
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nsh>
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USART2/RS485
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RX = PD6
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TX = PD5
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DIR = PD4
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CAN
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====
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CAN1
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TX = PD1
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RX = PD0
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CAN_CHARDRIVER: ./tools/configure.sh at32f437-mini/can_char
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CAN_SOCKET: ./tools/configure.sh at32f437-mini/can_socket
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USB
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====
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OTGFS1
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D+ = PA12
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D- = PA11
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SDIO
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====
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SDIO1
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CMD = PD2
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CLK = PC12
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D0 = PC8
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D1 = PC9
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D2 = PC10
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D3 = PC11
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ETH
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RMII_REF_CLK = PA1
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ETH_MDIO = PA2
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RMII_CRS_DV = PA7
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ETH_MDC = PC1
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RMII_RXD0 = PC4
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RMII_RXD1 = PC5
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RMII_TX_EN = PB11
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RMII_TXD0 = PB12
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RMII_TXD1 = PB13
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ETH_RST = PA3
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The eth used lan8720a as phy
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W25QXX
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CLK = PB3
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MISO = PB4
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MOSI = PB5
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CS = PD7
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RTC
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The board used rtc device on chip
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PWM
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The pwm test with tim20 chanel1 in PE2
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ADC
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ADC1 chanel8(PB0)
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