User guide
Manuals
Brands
Sim2 Manuals
Projector
M80
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Table Of Contents
Contents
Table Index
Figure Index
0. Revision history
1. Introduction
1.0. Related documents
1.1. Safety precautions
2. EVB kit
2.1. EVB top and bottom view
2.2. EVB Accessories
3. Application
3.1. Power
3.1.1. LDO
3.1.2. Test point
3.2. Charging
3.3. Audio
3.3.1. Handset
3.3.2. Earphone
3.3.3. Loud speaker
3.3.4. PCM interface
3.4. SIM Card
3.5. Antenna
3.6. Communication
3.6.1. Main UART
3.6.2. Auxiliary UART and Debug UART
3.7. SD card
3.8. Switches and buttons
3.9. LED indicator
3.10. LCD
3.11. Keyboard
3.12. ADC
4. EVB accessories assembly
5. Illustration
5.1. Turn on the module
5.2. Turn off the module
5.3. Emergency off
5.4. Communicate with the module
5.4.1. UART
5.4.2. Auxiliary UART
5.5. Firmware upgrade
5.6. Charging
5.6.1. Ghost mode
5.6.2. Charging mode
M80 EVB User Guide
M80_EVB_UGD_V1.2
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Figure 34: T
est points o
f keyboar
d
3.12. ADC
M80 provide
two ADC cha
nnel
. The test poi
nts and circu
it are show
n as below.
Figure 35:
Circuit o
f ADC
Figure 36: T
est points o
f ADC
ADC
1
ADC
0
Quectel
Confidential
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