PinNames for SDT51822B

Analog
A0 = P0_1,
A1 = P0_2,
A2 = P0_3,
A3 = P0_4,

General Pin Input Output (GPIO)
GPIO0 = P0_5,
GPIO1 = P0_7,
GPIO2 = P0_12,

Purse Width Modulation (PWM)
PWM0 = GPIO2,
PWM2 = GPIO0,
PWM3 = GPIO1,

LED(RGB)
LED0 = GPIO0,
LED1 = GPIO1,
LED2 = GPIO2,

LED_RED = LED0,
LED_GREEN = LED1,
LED_BLUE = LED2,

USB bridge and SWD UART connected UART pins
USBTX = P0_9,
USBRX = P0_11,

UART pins
UART1_RX = P0_11,
UART1_TX = P0_9,
UART1_CTS = P0_10,
UART1_RTS = P0_8,

I2C pins
I2C0_SCL = P0_20,
I2C0_SDA = P0_19,

I2C1_SCL = P0_30,
I2C1_SDA = P0_29,

SPI pins
SPI0_SCK = P0_18,
SPI0_MOSI = P0_15,
SPI0_MISO = P0_16,
SPI0_SS0 = P0_17,
SPI0_SS1 = P0_14,
SPI0_SS2 = P0_13,

SPI1_SCK = P0_25,
SPI1_MOSI = P0_23,
SPI1_MISO = P0_24,
SPI1_SS0 = P0_22,
SPI1_SS1 = P0_21,
SPI1_SS2 = P0_28,

SWD UART
SWD_TGT_TX = UART1_TX,
SWD_TGT_RX = UART1_RX,
SWD_TGT_CTS = UART1_CTS,
SWD_TGT_RTS = UART1_RTS,