User's Manual

Smart Machine Smart Decision
SIM7500A_User Manual_V1.022016-09-29
12
Table 3: Pin Definitions
Pin No.
Pin Name
Pin No.
Pin Name
1
GND
2
DIV_ANT
3
GND
4
SCL
5
SDA
6
GND
7
USB_DM
8
USB_DP
9
VBUS
10
USIM_DATA
11
USIM_CLK
12
USIM_DET
13
USIM_RST
14
USIM_VDD
15
GND
16
GND
17
MCLK
18
PCM_CLK
19
PCM_SYNC
20
PCM_IN
21
PCM_OUT
22
GND
23
L11_1V8
24
RESET
25
ADC
26
GPIO_1
27
ISINK
28
GND
29
GND
30
PWRKEY
31
GND
32
GND
33
VBAT
34
VBAT
35
GND
36
RTS
37
DCD
38
TXD
39
RXD
40
DTR
41
CTS
42
RI
43
GND
44
GND
45
MAIN_ANT
46
GND
47
GND
48*
GPIO_37
49
GPIO_49
50
STATUS
51
DBG_TXD
52
NETLIGHT
53
GND
54
GND
55
GNSS_ANT
56
GND
*Note: SIM7500A could not support GNSS Function.
Before the normal power up, pin48 cannot be pulled up.