Specifications

Smart Machine Smart Decision
SIM7080G _Hardware Design _V1.02 67 2019-10-11
Appendix
A. Reference Design
Refer to <SIM7080G Reference Design V1.01> for the details.
VBAT
VBAT
Power supply
100uF
1uF
34
35
36
GND
8
GND
GND
0R
RF Antenna
NC
NC
RF_ANT
32
31
GND
GND
30
GNSS Antenna
33pF
GNSS_ ANT
68
66
GND
NC
NC
GND
33
19
GND
GND
13
21
27
GND
GND
63
GND
GND
45
69
SIM7080G
GND
70
VBAT
GND
37
TVS
24
26
25
USB_ VBUS
USB_ DN
USB_ DP
VDD_ EXT
I2C_SCL
65
I2C_ SDA
64
ADC
ADC
38
1K
15
100nF
SIM_ VDD
SIM_ RST
SIM_ CLK
SIM_ DATA
SIM_ DATA
SIM_ VDD
SIM_RST
SIM_ CLK
16
17
18
TVS
58
GPIO3
57
59
60
GPIO4
PWRKEY
39
4.7K
47K
UART1_ TXD
UART1_ RXD
UART1_ CTS
UART1_RTS
UART1_RI
UART1_ DCD
UART1_ DTR
1
2
3
4
7
5
6
20
BOOT_ CFG
Test Point
28
29
46
NC
47
52
53
54
55
56
43
44
NC
NC
NC
NC
NC
NC
NC
NC
RFMIPI_ DATA
VDD_EXT
40
Test Point
11
9
12
10
PCM_DIN
PCM_ DOUT
PCM_ SYNC
PCM_ CLK
Audio CODEC
or
DSP
Power supply
STATUS
47K
4.7K
510R
LED
42
VBAT
Power supply
NETLIGHT
4.7K
510R
LED
41
VBAT
1K
GPIO1
GPIO2
Turn on
/
off impulse
LXES15AAA1-153
100uF
100uF
VDD_ EXT
GND
67
GND
71
GND
72
GND
73
GND
74
GND
75
GND
76
GND
77
4.7K
USB_ VBUS
USB_DN
USB_DP
22
UART2_ RXD
UART2_TXD
23
61
UART3_ RXD
UART3_ TXD
62
UART1_TXD
UART1_ RXD
UART1_ CTS
UART1_ RTS
UART1_RI
UART1_ DCD
UART1_ DTR
51
48
49
50
SPI_CS
SPI_ CLK
SPI_ MOSI
SPI_ MISO
RFMIPI_ CLLK
I2C_SCL
I2C_ SDA
SPI_ CLK
SPI_ MOSI
SPI_ MISO
SPI_CS
14
GPIO5
Figure 41: Reference design