F740 User Guide
7
v2.2.1.0, Copyright
○
C
2013, Favite, Inc
Figure 4: F741-SD GPIO Pin definition and I/O description.
Pin definition
Pin definition
Pin definition
Pin definition
GND-1
V1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
D-SUB 15pin
GPIO
V2
GND-2
GPIO_O1
GPIO_O2
GPIO_O3
GPIO_O4
GPIO_I1
GPIO_I2
GPIO_I3
GPIO_I4
GPIO-OUT Circuit diagram
(add figure#)
GND-2
R94
4K7/4
R95
47K/6
1
2
4
3
U13
UPC817
V2
VDD3.3VGP
GPIO_OUT4
GPIO_O4
GPIO-IN Circuit diagram
(add figure#)
R96
4K7/4
R98
47K/6
R99
10K/6
C68
0.1uF/4
1
2
4
3
U14
UPC817
V2
VDD3.3VGP
GND
GPIO_IN4
GPIO_I4
Note:
Please add the 4k7 electric resistances. The limitation of voltage is from 12V to 24V.