LISA-C2 series and FW75-C200 - System Integration Manual
UBX-13000620 - R21
Early Production Information
System description
Page 49 of 103
4
V_INT
51
GPIO5
OUT
IN
GND
LDO Regulator
SHDN
3V8
1V8
GPIO3
GPIO4
TxD1
EXTINT0
23
24
R1
VCC
GPIO2
21
LISA-C series
u-blox GPS / GNSS
1.8 V receiver
U1
C1
GPS Supply Enable
GPS Data Ready
GPS RTC Sharing
R2
Figure 24: GPIO application circuit
Reference
Description
Part Number - Manufacturer
R1
47 k
Ω
Resistor 0402 5% 0.1 W
Various manufacturers
U1
Voltage Regulator for GNSS Receiver
See GNSS Module Hardware Integration Manual
R2
4.7 k
Ω
Resistor 0402 5% 0.1 W
Various manufacturers
R5
10 k
Ω
Resistor 0402 5% 0.1 W
Various manufacturers
R6
47 k
Ω
Resistor 0402 5% 0.1 W
Various manufacturers
R7
820
Ω
Resistor 0402 5% 0.1 W
Various manufacturers
DL1
LED Red SMT 0603
LTST-C190KRKT - Lite-on Technology Corporation
T1
NPN BJT Transistor
BC847 - Infineon
Table 25: Components for GPIO application circuit
1.13
Reserved pins (RSVD)
The LISA-C200 module has pins reserved for future use. Refer to the
LISA-C Data Sheet
[1] for the list of LISA-
C200 reserved pins and connectivity guidelines.