LISA-C2 series and FW75-C200 - System Integration Manual
UBX-13000620 - R21
Early Production Information
System description
Page 51 of 103
1.15
Schematic for FW75-C200 modules integration
Figure 26 shows the integration of a FW75-C200 module into an application schematic.
TXD
RXD
RTS
CTS
RI
GND
TXD
RXD
RTS
CTS
RI
GND
3V6
22µF
VCC
100nF
FW75-C200
VCC
VCC
VCC
+
VCC
VBUS
D+
D-
GND
VUSB_DE
T
USB_D+
USB_D-
GND
100nF
GND
ANT Main
Antenna Connection
FW 75-C200 – U.FL Connector
DTE
FW 75 - 2.8V
USB 2.0 Host
Status
3V8
Status
Indicator
HW_SHUTDOWN
Ferrite
Bead
47pF
Application
Processor
Open
Drain
Output
PWR_ON
Open
Drain
Output
0
Ω
0
Ω
TP
TP
0
Ω
0
Ω
TP
TP
DTR
DSR
DTR
DSR
47pF
SIM Card
Holder
47pF 47pF
100nF
VSIM
SIM_IO
SIM_CLK
SIM_RST
47pF
ESD
ESD ESD ESD
GPIO3
GPIO4
GPIO2
GPIO5
V_INT
TP
TP
TP
Figure 26: Example: integrating FW75-C200 module in an application schematic
Note different voltage levels for UART pins: FW75-C200 use 2.8 V and LISA-C200 uses 1.8 V.