Shanghai SIMCom Wireless Solutions Limited 201802 User Manual
Smart Machine Smart Decision
SIM7600V-H_User Manual_V1.00
2018-02-24
14
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, pin48 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.
If unused, keep it
open.