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Version 1.32r 10/9/2012
4
RN -W IFLY -E VAL-U M
Figure 2. RN-171-EK Evaluation Board
Sensor Interface (J5)
Pin
Description
1
Sensor Power
2
Sensor 4 (3.3-V tolerant)
3
Sensor 5 (3.3-V tolerant)
4
Sensor 7 (1.2 V only)
5
Sensor 5 (1.2 V only)
6
Sensor 4 (1.2 V only)
7
Sensor 6 (1.2 V only)
8
Sensor 3 (1.2 V only)
9
GND
WARNING: Voltage on pins marked
1.2 V
Only
should not exceed 1.2 V or
permanent damage will occur.
UART Interface
(J4)
RX - input to evaluation board
TX - output from evaluation board
Pin
Description
1
3.3-VDC Output
2
GND
3
UART RX
4
UART TX
5
UART RTS
6
UART CTS
7
GPIO4
8
GPIO5
9
GPIO6
10
GPIO7
11
GPIO8,
(1)
12
GPIO9
13
RESET
Note:
1.
The RN-171 module drives GPIO8 HIGH on powerup, which overrides software configured powerup values, such as
set sys value
0x0000
on GPIO8.
LED Indicators
UART Interface
(J4)
Sensor
Interface (J5)
PCB Trace
Antenna
AP/WPS/Factory Reset
Pushbutton (GPIO9)
Reset
Pushbutton
9
5
2
3
4
6
7
8
1
1
2
3
4
5
6
7
8
9
10
11
12
13
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