RN131C/RM Roving Networks, RN131C/RM Datasheet - Page 5

• Manufacturer Part Number: RN131C/RM
• Description: WiFi / 802.11 Modules WiFly GSX 802.11b/g Mod Commercial Temp
• Manufacturer: Roving Networks

Specifications of RN131C/RM

• Product Category: WiFi / 802.11 Modules
• Rohs: yes
• Protocol Supported: 802.11 b/g
• Frequency Band: 2.4 GHz
• Data Rate: 11 Mbps, 54 Mbps
• Interface Type: SPI, UART
• Transmit Power (max): 18 dBm
• Antenna Connector Type: Chip, U.FL
• Operating Supply Voltage: 3.3 V
• Supply Current Transmitting: 210 mA
• Supply Current Receiving: 40 mA
• Maximum Operating Temperature: + 70 C
• Dimensions: 38 mm x 20 mm x 4 mm
• Minimum Operating Temperature: 0 C
• Modulation Technique: DSSS, OFDM
• Security: WEP, WPA, WPA2

Figure 3 shows the pin pads and Table 5 describes the pins.
Figure 3. Pin Pads
1
2
3
4
5
6
7
8
9
10
11
12
13
Table 5. Pin Description
www.rovingnetworks.com
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
Pin
44 43 42 41
14 15 16 17
(Pads Not Visible from Top)
SENSOR 6
SENSOR 4
SENSOR 5
SENSOR 7
RESET
EPC-ANT-A
EPC-ANT-B
SUPERCAP
FORCE_AWAKE
GPIO-13
GPIO-12
UART-RX
UART-TX
Not used
Not used
Not used
3.3V-REG-OUT
3.3V-REG-IN
GND
VDD-BATT
VDD-IN
Top View
40
18
Name
39 38 37 36
19 20 21 22
Sensor interface, analog input to module, 1.2 V.
Sensor interface, Analog input to module, 1.2 V.
Sensor interface, Analog input to module, 1.2 V.
Analog input to module, 1.2 V.
Module reset, active low, reference to VDD-BATT, 160 usec pulse.
EPC port, RFID antenna A.
EPC port, RFID antenna B.
Balance center pin voltage on stacked super capacitors, analog 3.3 V.
Force the module to wakeup, input to module, 250 us min. pulse.3.3 V.
UART RTS flow control, 8-mA drive, 3.3-V tolerant.
UART CTS flow control, 8-mA drive, 3.3-V tolerant.
INPUT: RX in to the module, 3.3-V tolerant.
OUTPUT: TX out from the module, 8-mA drive, 3.3-V tolerant.
Not applicable
Not applicable
Not applicable
Boost regulator control output, connect to 3.3V-REG-IN to enable.
Boost regulator control input, connect to 3.3V-REG-OUT to enable.
Ground.
Battery input. 2.0 to 3.3 V with boost regulator in use, otherwise use 3.0
to 3.7 V.
3.3 to 3.7 voltage. Do not connect when boost regulator is in use.
35
34
33
32
31
30
29
28
27
26
25
24
23
Version 3.2r 4/9/2012
Description
No connect
No connect
No connect
No connect
Pull up
No connect
No connect
No connect
–
–
–
–
–
No connect
No connect
No connect
No connect
GND to disable
–
–
–
Default
RN -13 1-DS
5