User guide
Manuals
Brands
Sim2 Manuals
Projector
M80
11
12
13
14
15
16
17
18
19
20
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
-
12
-
Figure 5: L
DO circuit
3.1.2. Test p
oint
Figure 6: Test
point o
f VBAT
T
est poin
t of VBA
T
Quectel
Confidential
1
...
...
11
12
13
14
15
...
...
38
