User's Manual
Table Of Contents
SIM340DZ EVB User Guide
4.2 J2---GPIO
Figure 12: J2 Interface
KEY & CTRL Pin List
Pin Signal I/O Description
1 NC
2 KROW0 I
3 NC
4 NC
5 NC
6 NC
7 NC
8 NC
9 NC
10 NC
Keypad array interface
11 STATUS O status of module :on or off
12 NC
13 NC
14 GPIO8 O Control signal of BUZZER
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