Product Manual

WBR1 Datasheet
6
2 Module Interfaces
2.1 Dimensions and Footprint
WBR1 has two rows of 16 pins (2 x 8) with a 2 mm pin spacing.
The WBR1 dimensions (H x W x D) are 2.9±0.15 mm x 18±0.35 mm x 23.5±0.35 mm.
Figure 2-1 shows the WBR1 front and rear views.
Figure 2-1 WBR1 front and rear views
2.2 Interface Pin Definition
Table 2-1 WBR1 interface pins
Pin No.
Symbol
I/O Type
Function
1
Vin
P
UART_TX power conversion pin (5 V or 3.3 V)
2
TX
I/O
GPIOA_14, UART_TX (user-side serial
interface)
3
RX
I/O
GPIOA_13, UART_RX (user-side serial
interface)