GD32E232Kx 引脚介绍
注：绿色为容忍5V
| 引脚名称 | 引脚号 | 引脚类型 | Default | Alternate | Additional |
|---|---|---|---|---|---|
| PF0-OSCIN | 1 | I/0 | PF0 | I2C0_SDA | OSCIN, CLAIN16 |
| PF1-OSCOUT | 2 | I/0 | PF1 | I2C0_SCL | OSCOUT,CLAIN17 |
| NRST | 3 | I/0 | NRST | ||
| Vref | 4 | P | VREF | ||
| VDDA | 5 | P | VDDA | ||
| PA0-WKUP | 6 | I/0 | PA0 | USART0_CTS, USART1_CTS, CMP_OUT, I2C1_SCL, TIMER1_CH0_ETI | ADC_IN0, CMP_IM6, RTC_TAMP1, WKUP0, CLAIN18 |
| PA1 | 7 | I/0 | PA1 | USART0_RTS, USART1_RTS, I2C1_SDA,EVENTOUT, TIMER14_CH0_ON , TIMER1_CH1 | ADC_IN1, CMP_IP, CLAIN19 |
| PA2 | 8 | I/0 | PA2 | USART0_TX, USART1_TX,TIMER14_CH0 , TIMER1_CH2, CLA0OUT | ADC_IN2, CMP_IM7 |
| PA3 | 9 | I/0 | PA3 | USART0_RX, USART1_RX, TIMER14_CH1 , TIMER1_CH3 | ADC_IN3 |
| PA4 | 10 | I/0 | PA4 | SPI0_NSS, I2S0_WS, USART0_CK ,USART1_CK, TIMER13_CH0, I2C1_SCL, SPI1_NSS | CMP_IM4, DAC0_OUT0 |
| PA5 | 11 | I/0 | PA5 | SPI0_SCK, I2S0_CK, TIMER1_CH0_ETI,I2C1_SDA | CMP_IM5, DAC0_OUT1 |
| PA6 | 12 | I/0 | PA6 | SPI0_MISO, I2S0_MCK, TIMER2_CH0,TIMER0_BRKIN, TIMER15_CH0, EVENTOUT, CMP_OUT | DAC1_OUT0 |
| PA7 | 13 | I/0 | PA7 | SPI0_MOSI, I2S0_SD, TIMER2_CH1,TIMER13_CH0, TIMER0_CH0_ON, TIMER16_CH0,EVENTOUT, CLA1OUT | DAC1_OUT1 |
| PB0 | 14 | I/0 | PB0 | TIMER2_CH2, TIMER0_CH1_ON,USART1_RX, EVENTOUT, CLA1OUT, | ADC_IN8, CLAIN8 |
| PB1 | 15 | I/0 | PB1 | TIMER2_CH3, TIMER13_CH0, TIMER0_CH2_ON, SPI1_SCK | ADC_IN9, CLAIN9 |
| PB2 | 16 | I/0 | PB2 | TIMER2_ETI | ADC_IN10, CLAIN10 |
| VDD | 17 | P | VDD | ||
| PA8 | 18 | I/0 | PA8 | USART0_CK, TIMER0_CH0, CK_OUT,USART1_TX, EVENTOUT | ADC_IN11, CLAIN11 |
| PA9 | 19 | I/0 | PA9 | USART0_TX, TIMER0_CH1,TIMER14_BRKIN(5) , I2C0_SCL, CK_OUT | ADC_IN12, CLAIN12 |
| PA10 | 20 | I/0 | PA10 | USART0_RX, TIMER0_CH2,TIMER16_BRKIN, I2C0_SDA, CLA2OUT | ADC_IN13, CLAIN13 |
| PA11 | 21 | I/0 | PA11 | USART0_CTS, TIMER0_CH3, CMP_OUT,EVENTOUT, SPI1_IO2 , I2C0_SMBA, I2C1_SCL, CLA3OUT | ADC_IN14, CLAIN14 |
| PA12 | 22 | I/0 | PA12 | USART0_RTS, TIMER0_ETI, EVENTOUT,SPI1_IO3, I2C0_TXFRAME, I2C1_SDA | ADC_IN15, CLAIN15 |
| PA13 | 23 | I/0 | PA13/SWDIO | SWDIO, IFRP_OUT, SPI1_MISO | |
| PA14 | 24 | I/0 | PA14/SWCLK | USART0_TX, USART1_TX, SWCLK,SPI1_MOSI | |
| PA15 | 25 | I/0 | PA15 | SPI0_NSS, I2S0_WS, USART0_RX , USART1_RX, SPI1_NSS , EVENTOUT, TIMER1_CH0_ETI, CLA3OUT | ADC_IN4, CLAIN0 |
| PB3 | 26 | I/0 | PB3 | SPI0_SCK, I2S0_CK, EVENTOUT, TIMER1_CH1, I2C1_SCL , CLA0OUT | ADC_IN5, CLAIN1 |
| PB4 | 27 | I/0 | PB4 | SPI0_MISO, I2S0_MCK, TIMER2_CH0,EVENTOUT, I2C0_TXFRAME, TIMER16_BRKIN, I2C1_SDA , CLA1OUT | ADC_IN6, CLAIN2 |
| PB5 | 28 | I/0 | PB5 | SPI0_MOSI, I2S0_SD, I2C0_SMBA, TIMER15_BRKIN, TIMER2_CH1, CLA2OUT | WKUP5, ADC_IN7, CLAIN3 |
| PB6 | 29 | I/0 | PB6 | I2C0_SCL, USART0_TX, TIMER15_CH0_ON, I2C1_SCL | CLAIN4 |
| PB7 | 30 | I/0 | PB7 | I2C0_SDA, USART0_RX, TIMER16_CH0_ON,I2C1_SDA | CLAIN5 |
| BOOT0-PB9 | 31 | I/0 | BOOT0 | IFRP_OUT, I2C0_SDA, TIMER16_CH0, EVENTOUT, I2S0_MCK, SPI1_NSS | PB9, CLAIN7 |
| PB8 | 32 | I/0 | PB8 | I2C0_SCL, TIMER15_CH0, CLA3OUT | CLAIN6 |