|
PB_20 |
I/O |
UART0_RX/PWM1/UART1_CTS/I²C_SCL |
U/D |
|
|
|
PB_19 |
I/O |
UART0_TX/PWM0/UART1_RTS/I²C_SDA |
U/D |
|
|
|
WAKEUP |
I |
External Wake Up Pin |
D |
|
The chip is waken up when the pin is HIGH |
|
RESET |
I |
Reset Pin |
D |
|
|
|
XTAL_OUT |
O |
External crystal output |
|
|
|
|
XTAL_IN |
I |
External crystal input |
|
|
|
|
AVDD3V3 |
P |
Chip power supply, 3.3V |
|
|
|
|
ANT |
I/O |
RF Antenna |
|
|
|
|
AVDD3V3 |
P |
Chip power supply, 3.3V |
|
|
|
|
AVDD3V3 |
P |
Chip power supply, 3.3V |
|
|
|
|
AVDD3V3_AUX |
P |
Chip power supply, 3.3V |
|
|
|
|
TEST |
I |
Test function configuration pin |
|
|
|
|
BOOTMODE |
I/O |
BOOTMODE and I²S_MCLK/LSPI_CS/PWM2/I²S_DO |
U/D |
|
|
|
PA_1 |
I/O |
JTAG_CK/I²C_SCL/PWM3/I²S_LRCK/ADC0 |
U/D |
|
|
|
PA_4 |
I/O |
JTAG_SWO/I²C_SDA/PWM4/I²S_BCK/ADC1 |
U/D |
|
|
|
PA_7 |
I/O |
PWM4/LSPI_MOSI/I²S_MCK/I²S_DI/Touch0 |
U/D |
|
|
|
VDD3V3IO |
P |
IO power supply, 3.3V |
|
|
|
|
PB_0 |
I/O |
PWM0/LSPI_MISO/UART3_TX/PSRAM_CK/Touch3 |
U/D |
|
|
|
PB_1 |
I/O |
PWM1/LSPI_CK/UART3_RX/PSRAM_CS/Touch4 |
U/D |
|
|
|
PB_2 |
I/O |
PWM2/LSPI_CK/UART2_TX/PSRAM_D0/Touch5 |
U/D |
|
|
|
PB_3 |
I/O |
PWM3/LSPI_MISO/UART2_RX/PSRAM_D1/Touch6 |
U/D |
|
|
|
PB_4 |
I/O |
LSPI_CS/UART2_RTS/UART4_TX/PSRAM_D2/Touch7 |
U/D |
|
|
|
PB_5 |
I/O |
LSPI_MOSI/UART2_CTS/UART4_RX/PSRAM_D3/Touch8 |
U/D |
|
|
|
VDD3V3IO |
P |
IO power supply, 3.3V |
|
|
|
|
CAP |
I |
External capacitor, 4.7µF |
|
|
|
|
PB_6 |
I/O |
UART1_TX/MMC_CLK/HSPI_CK/SDIO_CK/Touch9 |
U/D |
|
|
|
PB_7 |
I/O |
UART1_RX/MMC_CMD/HSPI_INT/SDIO_CMD/Touch10 |
U/D |
|
|
|
PB_8 |
I/O |
I²S_BCK/MMC_D0/PWM_BREAK/SDIO_D0/Touch11 |
U/D |
|
|
|
PB_9 |
I/O |
I²S_LRCK/MMC_D1/HSPI_CS/SDIO_D1/Touch12 |
U/D |
|
|
|
PB_10 |
I/O |
I²S_DI/MMC_D2/HSPI_DI/SDIO_D2 |
U/D |
|
|
|
VDD3V3IO |
P |
IO power supply, 3.3V |
|
|
|
|
PB_11 |
I/O |
I²S_DO/MMC_D3/HSPI_DO/SDIO_D3 |
U/D |
|
|
|
GND |
P |
Ground (Central Pad) |
|
|
|
