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M80 EVB User Guide

M80_EVB_UGD_V1.2 - 31 -

Table 14: LED indicator

Part

Name

I/O

Description

Note

VBAT ON/OFF indicator

Bright: VBAT ON

Extinct: VBAT OFF

RESERVED

GSM_NET status

indicator

Blinking at a certain frequency

according to various GSM network

status

Module status indicator

Indicate module’s operating status

3.10. 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.

Figure 33: Test points of LCD

3.11. Keyboard

M80 provide s 5*5 matrix keyboard. The following figure shows the test points.

LS_DIO

LS_CS

LS_CMD

LS_CLK

LS_RST

Quectel

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Sim2 M80 Guía de usuario Pagina 32