Specifications

RF-BM-BG22A1
www.szrfstar.comV1.0 - Sep., 2020
2.2 Module Pin Diagram
Figure 3. Pin Diagram of RF-BM-BG22A1
2.3 Pin Functions
Table 3. Pin Functions of RF-BM-BG22A1
Pin Name Chip Pin Pin Type Description
1
EXT_ANT - - External antenna pin.
2
PB02 PB02 I/O
GPIO
3
PB01 PB01 I/O GPIO
4
PB00 PB00 I/O GPIO
5
PA00 PA00 - RTS
6
PA03 PA03 I/O
GPIO
7
PA04 PA04 I/O
GPIO
8
PA05 PA05 I/O
GPIO
9
PA06 PA06 I/O
GPIO
10
GND GND - Ground
Shenzhen RF-star Technology Co., Ltd. Page 8 of 19