Silex technology WLAN MODULE SX-550 User Manual
Page 21
SX-550 Evaluation Daughtercard
Hardware Configuration
silex Page
15
Part Number 40183-101
General Purpose IO
The GPIOs, located on JP7, can be used for controlling or monitoring OEM functions. External pull-ups
are recommended for customization.
N
OTE
: GPIO 7 is fixed as a switch input and GPIO 8 is fixed as an LED output.
Table 7 General Purpose IO Signal Descriptions
Pin
Signal
Selectable
Pin
Signal
Selectable
1 GPIO_1
Via
JP3
2 GPIO_2
Via
JP3
3 3.3V
4 GPIO_3
Via
JP3
5 GPIO_4
Via
JP3
6 GND
7 GPIO_5
Via
JP3
8 GPIO_6
Via
JP3
9 GPIO_7
10 3.3V
11 GPIO_8
12 GPIO_9
13 GPIO_10
14 GND
15
16
3.3V
17
18
19
20
To use the first 6 GPIOs, place a jumper between JP3 and JP4 for the specific GPIO.
Table 8 General Purpose I/O Signal Description
Evaluation
Daughtercard
GPIO
CN210
GPIO
I/O Drive
High/Low
Description
1
2
I/O
6/6 mA
Set as input or output
2
3
I/O
6/6 mA
Set as input or output
3
4
I/O
6/6 mA
Set as input or output
4
5
I/O
6/6 mA
Set as input or output
5
6
I/O
6/6 mA
Set as input or output
6
7
I/O
6/6 mA
Set as input or output
7
48
I or I/O
6/6 mA
Switch input
1 = off
0 = switch depressed
8
49
O or I/O
6/6 mA
LED_1
1= off
0 = illuminated