RAK WisDuo Series, Manual

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RAK4630
6
2.5 Pin Description
The following tables show the pin definition and description of RAK3400.
Table 2: Definition of I/O Parameters
Type Description
PI Power Input
PO Power Output
DI Digital Input
DO Digital Output
IO Bidirectional
AI Analog Input
AO Analog Output
Table 3: Pin Description
Power Supply
Pin Name
Pin No. Type Description Comment
VDD_NRF 43 PI Power supply
VBAT_NRF 44 PI High Power supply
GND
14,16,
22,35,
36,38,
42
Ground
I2C Interface
Pin Name
Pin No. Type Description Comment
I2C1_SDA 4 IO I2C serial data P0.13
I2C1_SCL 5 OD I2C serial clock P0.14
I2C2_SDA 23 IO I2C serial data P0.24
I2C2_SCL 24 OD I2C serial clock P0.25
USB Interface
Pin Name
Pin No. Type Description Comment
VBUS 1 PI USB power 5V input for 3.3V regulator
USB_DP 3 IO USB differential data(+)
USB_DM 2 IO USB differential data(-)
UART Interface
Pin Name
Pin No. Type Description Comment
UART1_TX 10 DO UART1 transmit P0.20
UART1_RX 9 DI UART1 receive P0.19
UART1_DE 11 DI UART1 detect P0.21
UART2_TX 7 DO UART2 transmit P0.16
UART2_RX 6 DI UART2 receive P0.15
UART2_DE 8 DI UART2 detect P0.17
Quad SPI Interface
Pin Name
Pin No. Type Description Comment
SPI_CLK 29 DO SPI clock P0.03
SPI_CS 34 DO SPI chip select P0.26
SPI_DIO0 33 IO SPI data input/output 0 P0.30
SPI_DIO1 32 IO SPI data input/output 1 P0.29
SPI_DIO2 31 IO SPI data input/output 2 P0.28
SPI_DIO3 30 IO SPI data input/output 3 P0.02
R
A
K
2011