User guide

M80 EVB User Guide
M80_EVB_User_Guide_V1.2 - 39 -
3.10. LED indicator
Figure 41: LED indicator
Table 17: LED indicator
Part
Name
I/O
Description
Note
L1
VBAT ON/OFF indicator
O
Bright: VBAT ON
Extinct: VBAT OFF
L2
RESERVED
L3
GSM_NET status
indicator
O
Blinking at a certain frequency
according to various GSM network
status
L4
Module status indicator
O
Indicate module’s operating status
3.11. LCD
M80 provides serial LCD interface including both four lines mode and three lines mode. The
maximum resolution is up to 240 x 320. The EVB board reserves the test points for the
measurement of signal.
L1
L2
L3
L4
Quectel
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