Difference between revisions of "Zero/hardware/gpio"

Revision as of 10:47, 10 October 2021

English

 Radxa Zero >  Hardware >  GPIO

GPIO number	Function4	Function3	Function2	Function1	Pin#	Pin#	Function1	Function2	Function3	Function4	GPIO number
				+3.3V	1	2	+5.0V
490			I2C_EE_M3_SDA	GPIOA_14	3	4	+5.0V
491			I2C_EE_M3_SCL	GPIOA_15	5	6	GND
415	I2C_AO_S0_SDA	UART_AO_B_RX	I2C_AO_M0_SDA	GPIOAO_3	7	8	GPIOAO_0	UART_AO_A_TXD			412
				GND	9	10	GPIOAO_1	UART_AO_A_RXD			413
414	I2C_AO_S0_SCL	UART_AO_B_TX	I2C_AO_M0_SCL	GPIOAO_2	11	12	GPIOX_9	SPI_A_MISO			501
503		I2C_EE_M1_SCL	SPI_A_SCLK	GPIOX_11	13	14	GND
				SARADC_CH1	15	16	GPIOX_10	SPI_A_SS0	I2C_EE_M1_SDA		502
				+3.3V	17	18	GPIOX_8	SPI_A_MOSI	PWM_C		500
447		SPI_B_MOSI	UART_EE_C_RTS	GPIOH_4	19	20	GND
448	PWM_F	SPI_B_MISO	UART_EE_C_CTS	GPIOH_5	21	22	GPIOC_7	-			475
450	I2C_EE_M1_SCL	SPI_B_SCLK	UART_EE_C_TX	GPIOH_7	23	24	GPIOH_6	UART_EE_C_RX	SPI_B_SS0	I2C_EE_M1_SDA	449
				GND	25	26	SARADC_CH2
415	I2C_AO_S0_SDA	UART_AO_B_RX	I2C_AO_M0_SDA	GPIOAO_3	27	28	GPIOAO_2	I2C_AO_M0_SCL	UART_AO_B_TX	I2C_AO_S0_SCL	414
				NC	29	30	GND
				NC	31	32	GPIOAO_4	PWMAO_C			416
				NC	33	34	GND
420			UART_AO_B_TX	GPIOAO_8	35	36	GPIOH_8	-			451
421			UART_AO_B_RX	GPIOAO_9	37	38	GPIOAO_10	PWMAO_D			422
				GND	39	40	GPIOAO_11	PWMAO_A			423

GPIO are in two banks, GPIO AO domain and GPIO EE domain
- AO domain: GPIOAO_0 - GPIOAO_11
- EE domain: GPIOA_14 - GPIOA_15 | GPIOH_0 - GPIOH_8 | GPIOX_0 - GPIOX_19
UARTs
- AO domain: UARTAO_A | UARTAO_B
- EE domain: UART_A | UART_B | UART_C

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-| 509
+| 501
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 | 503