User's Manual

SIM7600SA-H_User Manual_V1.00
2017-10-11
Smart Machine Smart Decision
COEX1
COEX2
83
84
I/O
I/O
RF synchronizing between
Wi-Fi and LTE.
COEX3 86 I/O
BOOT_CFG0 85
DI,PD
Boot configuration input.
Module will be forced into
USB download mode by
connect 85 pin to VDD_1V8
during power up.
NC
42
No connection.
If unused, keep them
open.
DO NOT PULL UP
COEX1 AND COEX2
DURING NORMAL
POWER UP!
Do place 2 test points
for debug.
DO NOT PULL UP
BOOT_CFG0
DURING NORMAL
POWER UP!
Keep it open
High level: Power on and
firmware ready
Low level: Power off
GPIO41
52
IO
GPIO
GPIO43
50
IO
GPIO
GPIO3
33
IO
GPIO
GPIO6
34
IO
GPIO
Default: GPIO
Optional: SD card detecting
SD_DET
48
IO
input.
H: SD card is removed
L: SD card is inserted
Default: GPIO
Optional: USIM card detecting
USIM_DET
53
IO
input.
H: USIM is removed
L: USIM is inserted
GPIO77
87
IO
GPIO
RF interface
MAIN _ANT
82
AIO
MAIN antenna soldering pad
GNSS_ANT
79
AI
GNSS antenna soldering pad
AUX_ANT
59
AI
Auxiliary antenna soldering pad
Other interface
ISINK
45
PI
Ground-referenced current sink.
ADC1
47
AI
Analog-digital converter input
1
If unused, please keep
them open.
ADC2
46
AI
Analog-digital converter input
2