User's Manual

LISA-U1/LISA-H1 series - System Integration Manual
3G.G2-HW-10002-2 Advance Information System description
Page 76 of 116
SIM card holder
SW1
SW2
4
V_INT
51
GPIO5
R3
R2
OUTIN
GND
LDO Regulator
SHDN
3V8 1V8
GPIO3
GPIO4
TxD1
EXTINT0
23
24
R1
VCC
GPIO2 21
LISA-U1/LISA-H1
series
u-blox
1.8 V GPS receiver
U1
J1
C1
R4
R6
3V8
Network Indicator
R5
GPS Supply Enable
GPS Data Ready
GPS Aiding Synch
SIM Detection
20
GPIO1
DL1
T1
D1
Figure 43: GPIO application circuit
Reference
Description
Part Number - Manufacturer
R1
4.7 kΩ Resistor 0402 5% 0.1 W
Various manufacturers
U1
Voltage Regulator for GPS Receiver
See GPS Module Hardware Integration Manual
R2
1 kΩ Resistor 0402 5% 0.1 W
Various manufacturers
R3
470 kΩ Resistor 0402 5% 0.1 W
Various manufacturers
D1
ESD Transient Voltage Suppressor
USB0002RP or USB0002DP - AVX
J1
SIM Card Holder
Various Manufacturers,
CCM03-3013LFT R102 - C&K Components
R4
10 kΩ Resistor 0402 5% 0.1 W
Various manufacturers
R5
47 kΩ Resistor 0402 5% 0.1 W
Various manufacturers
R6
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 33: Components for GPIO application circuit
If the GPIO pins are not used, they can be left unconnected on the application board.