M16 EVB User Guide
3.7.2
J2 test points
Figure 11: J2 test points
Table 11: Pins of J2
Pin
Signal
I/O
Description
1 Reserve
2 Reserve
3 VDD_EXT O
Supply 2.8V voltage for external
circuit
4 Reserve
5 PWRKEY I
Turn
on/off
the
module
6
VBAT
I
Power supply for GSM module
7 GND
Digital
ground
8 SIM_PRESENCE I
SIM
card
detection
9 EMERG_OFF I
Shutdown the power in case of
emergency
10 NETLIGHT O
GSM
network status indication
All test points are connected directly to M16 module, and their names defined are the same as
those in the M16_HD document.
M16_EVB_UGD_V1.01
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