User Manual

Smart Machine Smart Decision
SIM7100_Hardware_Design_V1.02 2015-06-16
Appendix
A. Reference Design
C103C102C101
VBAT
VBAT
AUX_ANT
Power supply
100uF
100uF1uF
TXD
RXD
CTS
RTS
RI
DCD
DTR
C109
220nF
USIM_VDD
USIM_RST
USIM_CLK
USIM_DATA
62
63
59
Power supply
R101
61
64
GND
GND
41
GND
POWERKEY
RESET
3
4
Reset impulse
4.7K
47K
Turn on/off impulse
UART_TXD
UART_RXD
UART_CTS
UART_RTS
UART_RI
UART_DCD
UART_DTR
71
68
67
66
69
70
72
23
1
GND
GND
0R
C107C106
Main Antenna
NC
NC
MAIN_ANT
82
58
GND
GND
57
C108
GNSSAntenna
33pF
GNSS_ANT
79
78
GND
GND
77
NC
L101
NC
L102
GND
80
GND
60
SIM_DATA
SIM_VDD
SIM_RST
SIM_CLK
ESDA6V1W5
SD_DATA3
SD_CLK
SD_DATA2
SD_DATA1
SD_CMD
SD_DATA0
24
26
25
22
21
FLIGHTMODE
USB_VBUS
RF ON/OFF
11
12
NETLIGHT
10K
10K
300R
LED
Network
Status
USB_DP
13
32
USB_DN
USB_VBUS
USB_DN
USB_DP
28
27
31
36
29
33
35
30
34
KBC0
KBC2
KBC1
KBC3
KBR0
KBC4
KBR1
KBR3
KBR2
KBR4
76
74
75
73
6
7
9
8
45
PCM_IN
PCM_OUT
PCM_SYNC
PCM_CLK
SPI_CLK
SPI_MISO
SPI_CS
SPI_MOSI
ISINK
123
456
789
*
0
#
Audio CODEC Chip
or
DSP
LCD
Display
51
54
VDD_EXT
VDD_EXT
44
SCLI2C_SCL
55
SDAI2C_SDA
56
ADC1
ADC
Input range:0.3~VBAT
ADC2
47
46
VDD_1V8
USB_ID
15
16
NC
17
19
18
20
42
STATUS
52
53
50
48
49
GPIO41
USIM_DET
GPIO43
SD1_DET
5
GND
GND
2
10
14
GND
GND
40
GND
GND
37
43
SIM7100
LDO Output:1.75-3.05V
R102
R103
R104
R105
R106
R107
TVS
If USB interface isused， Connect
USB_VBUS to 2.0V-5.25V
0R
C104 C105
Div Antenna
NC
NC
VBAT
38
39
GND
65
VBAT
C112C111
Power supply
100uF
VBAT
100uF
VBAT
83
85
84
86
COEX1
COEX2
COEX3
87
BOOT_CFG0
BOOT_CFG1
Test Points
81
GND
C113
100nF
VBAT
Figure 40: Reference Design