User's Manual

Table Of Contents
SIM7600G-H User manual
www.simcom.com
23
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75
PCM_CLK
76
I/O,PU
PCM data bit clock.
GPIO
NETLIGHT
51
DO,PU
LED control output as network
status indication.
If unused, keep them
open.
STATUS
49
DO,PU
Operating status output.
High level: Power on and firmware
ready
Low level: Power off
GPIO4
94
IO,PD
Default: GPIO
GPIO2
95
IO,PD
Default: GPIO
GPIO1
96
IO,PD
Default: GPIO
GPIO_54
97
IO,PD
Default: GPIO
GPIO_19
119
IO,PD
Default: 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.
If unused, please
keep them open.
ADC1
47
AI
Analog-digital converter input 1
ADC2
46
AI
Analog-digital converter input 2
RESERVED
88,89,90,
91,92,99,
100,101,
102,103,
104,105,
107,111
Reserved for future use
Please keep them
open.
Mux function interface
COEX1●*
83
I/O
RF synchronizing between Wi-Fi
and LTE.
Default:COEX1●*
Option:WLAN_EN
COEX2*
84
I/O
RFsynchronizing between Wi-Fi
and LTE.
Default:COEX2*
Option: WoWWAN
COEX3●*
86
I/O
RF synchronizing between Wi-Fi
and LTE.
Default:COEX3*
Option:BT_PCM_CL
K
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.
Default:
BOOT_CFG0●*
Option:COEX_RXD
Do place 2 test
points for debug.
DO NOT PULL UP
BOOT_CFG0
DURING NORMAL
POWER UP!
FLIGHTMODE*
54
DI,PU
Flight Mode control input.
High level(or open): Normal Mode
Low level: Flight Mode
Default:
FLIGHTMODE*
Option:BT_PCM_IN
GPIO3*
33
IO
GPIO
Default:GPIO3*
Option:WL_PWR_E
N