SimCom SIM7000 User Manual

Appendix
A. Reference Design
Refer to < SIM7000 Reference Design V1.01> for the details.
C 103
C 102
C 104
C 101
VBAT
VBAT
Power supply
100uF
100uF
100uF
1 uF
55
56
57
58
GND
GND
2
GND
GND
0R
C 107
C 106
RF Antenna
NC
NC
RF_ANT
60
62
GND
GND
61
C 108
GNSS Antenna
33pF
GNSS_ ANT
53
54
GND
NC
L 101
NC
L 102
GND
63
18
GND
GND
17
29
39
GND
GND
46
GND
GND
45
64
SIM7000
R 101
GND
65
VBAT
GND
59
TVS
USB_VBUS
24
28
USB_ DP
27
USB_ DN
USB_ VBUS
USB_ DN
USB_ DP
VDD_EXT
I2C_ SCL
I2C_ SCL
38
I2C_ SDA
I2C_ SDA
37
ADC
ADC
25
2.2 KR
R115
R114
31
C 109
220nF
USIM_ VDD
USIM _ RST
USIM _CLK
USIM _ DATA
SIM
_
DATA
SIM
_
VDD
SIM
_
RST
SIM
_
CLK
32
33
30
TVS
USIM_DET
34
49
GPIO2
50
68
67
GPIO3
POWERKEY
1
4. 7 K
47K
R 102
R 103
NRESET
16
4. 7 K
47K
R 105
R 106
TXD
RXD
CTS
RTS
RI
DCD
DTR
UART_ TXD
UART_ RXD
UART_CTS
UART_ RTS
UART_RI
UART_ DCD
UART_ DTR
9
10
7
8
4
5
3
23
6
Test Point
BOOT_ CFG
Test Point
MDM_ LOG_ TX
19
20
21
NC
22
26
35
36
40
41
42
43
44
47
51
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
VDD_EXT
VDD_ EXT
15
Test Point
11
13
12
14
PCM _DIN
PCM_DOUT
PCM _SYNC
PCM _CLK
Audio CODEC
or
DSP
GPIO4
48
Power supply
STATUS
47K
4.7K
510R
LED
66
R 111
R 110
R 112
VBAT
Power supply
NETLIGHT
47K
4.7 K
510R
LED
52
R 109
R 108
R 107
VBAT
2.2 KR
GPIO0/UART3_TXD
GPIO1/ UART3_RXD
Turn on
/
off impulse
Turn on
/
off impulse
LXES15AAA1-153
ESDA 6V1W5
Input range :0.1~1.7V
LDO Output :1.8V
Figure 40: Reference design
SIMCOM CONFIDENTIAL FILE

SimCom SIM7000 Specifications

General

Brand	SimCom
Model	SIM7000
Category	GSM/GPRS Modules
Language	English