u-blox SARA-G3 Series System Integration Manual page 167

Figure 65Figure 65 is an example of a schematic diagram where a SARA-G300 / SARA-G310 module
is integrated into an application board, using all the available interfaces and functions of the module.
SARA-G300/ G310
3V8
51
52
+
53
100nF 10nF 56pF 15pF
330µF
V_BCKP
2
RTC
100µF
back-up
Application
Processor
100kΩ
TP
15
Open
Drain
Output
TP
18
Open
Drain
Output
1.8V DTE
TXD 12
RXD 13
RTS 10
CTS 11
DTR 9
DSR 6
RI 7
DCD 8
GND
1.8V DTE
0Ω
TP
TXD 29
0Ω
TP
RXD 28
GND
16
33
17
19
Figure 65: Example of schematic diagram to integrate SARA-G300/G310 modules in an application board, using all the interfaces
UBX-13000995 - R06
VCC ANT 56
VCC
VCC RSVD 62
GND
TP
V_INT 4
V_BCKP
SIM _DET 42
GND
VSIM 41
SIM _IO 39
SIM _CLK 38
SIM _RST 40
PWR_ON
47pF 47pF 47pF
RESET_N
RSVD
23
TXD
RXD
RSVD
26
RTS
RSVD 27
CTS
DTR
32K_OUT 24
DSR
RSVD 25
RI
DCD
EXT32K 31
GND
RSVD 46
TXD_AUX RSVD 49
RXD_AUX
RSVD 48
GND
RSVD 47
RSVD 44
RSVD 45
RSVD
RSVD
RSVD 37
RSVD 36
RSVD RSVD 35
RSVD RSVD 34
Objective Specification
SARA-G3 series - System Integration Manual
External
Connector
Antenna
47pF 100nF
ESD ESD ESD ESD
SIM Card Holder
CCVCC (C1)
CCVPP (C6)
CCIO (C7)
CCCLK (C3)
CCRST (C2)
GND (C5)
Design-in
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