User's Manual

3.7 Pin Definition

Pin No. Pin Name I/O Description

01 GND Power System ground

02 GND Power System ground

03 P32

I/O Port 32

04 P38/MOSI I/O / O Port 38 / MOSI for SPI Interface

05 P12 I/O Port 12

06 P10 I/O Port 10

07 P17 I/O Port 17

08 P16 I/O Port 16

09 P11 I/O Port 11

10 NC Module internal connection for write protection

11 P26 I/O Port 26

12 P27 I/O Port 27

13 3P0V Power 3V power output

14 P33 I/O Port 33

15 P28 I/O Port 28

16 P29 I/O Port 29

17 P15 I/O Port 15

18 GND Power System ground

19 P14 I/O Port 14

20 P18 I/O Port 18

21 VBAT Power Battery power supply

22 P20 I/O Port 20

23 SCL O

SCL for I²C Interface

24 P25/MISO I/O / I Port 25 / MISO for SPI Interface

25 P19 I/O Port 19

26 P13 I/O Port 13

27 SDA I/O

SDA for I²C Interface

28 P0 I/O Port 0

29 P24 I/O Port 24

30 P5 I/O Port 5

Radicom Research, Inc.

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