User's Manual

Smart Machine Smart Decision
SIM7600E-H_User Manual_V1.00 2017-10-11
69 RI 70 DCD
71 TXD 72 DTR
73 PCM_OUT 74 PCM_IN
75 PCM_SYNC 76 PCM_CLK
77 GND 78 GND
79 GNSS_ANT 80 GND
81 GND 82 MAIN_ANT
83
COEX1*
84 COEX2
85
BOOT_CFG0*
86
COEX3*
87 GPIO77
NOTE: Before the normal power up, GPIO43
，
COEX1, COEX3 and BOOT_CFG0
cannot be pulled up.
2.2 Pin Description
Table 4: IO parameters definition
Pin type Description
PI
Power input
PO Power output
AI
Analog input
AIO
Analog input/output
I/O
Bidirectional input /output
DI
Digital input
DO
Digital output
DOH
Digital output with high level
DOL
Digital output with low level
PU
Pull up
PD Pull down
Table 5: Pin description
Pin name Pin No.
Default
status
Description Comment
Power supply
VBAT
38,39,
62,63
PI
Power supply, voltage range:
3.4
～
4.2V.
VDD_EXT 44 PO
LDO power output for other
external circuits with Max
150mA current output. Its
output voltage is 0V by default.
（The voltage can be
configured to 2.8V by AT
command
）
.
If unused, keep it
open.