RN-134-K Roving Networks Inc, RN-134-K Datasheet - Page 27

• Manufacturer Part Number: RN-134-K
• Description: KIT EVAL WIFLY GSX 802.11 RN-134
• Manufacturer: Roving Networks Inc
• Type: Transceiver, 802.11 b/gr

Specifications of RN-134-K

• Frequency: 2.4GHz
• Wireless Frequency: 2402 MHz to 2480 MHz
• Interface Type: RS-232, UART
• Modulation: CKK, DSSS, DBPSK, DQPSK, OFDM
• Security: 128 WEP, WPA, TKIP
• Operating Voltage: 3 V to 12 V
• Operating Temperature Range: - 40 C to + 85 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With/related Products: RN-134
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 740-1035

10. Advanced features and Settings
This chapter describes the advanced features of the WiFly GSX module. It describes the techniques to put
the module in sleep, wake up from sleep and methods to open a TCP connection when awake. We also
discuss the uart flow control, alternative GPIO functions and Real Time Clock.
The table below describes the possible methods of putting the module to sleep.
To wake up the module from sleep, following options are available:
When the module wakes up from sleep, it takes a certain amount of time (in milliseconds) to initialize the
internal hardware. During this time, any data that is sent to the WiFly module over the uart will not be
processed. You can monitor certain signals that indicate that the module is ready to accept data. These are
described below.
Sensor Input
Wake Timer
Sleep Timer
command
(1.2VDC
(1.2VDC
(3.3VDC
AWAKE
CTS Pin
Method
ONLY)
ONLY)
ONLY)
FORCE
Method
Rx Pin
sleep
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Internal RTC
Internal RTC
AWAKE pin
CTS pin via
Sensor Pins
RX pin via
Interface
Sensor 0
Sensor 1
FORCE
UART
Type
Get into command mode using $$$ and issue the sleep command
Puts the module to sleep based on the set sys sleep <secs> command
You can wake up the module on sensor pins 0-3 (1.2V ONLY). Use the set
sys trigger <value> command to enable. Refer section 10.2 for details
The RX pin on the RN-134 is tied to Sensor Pin 0. Use set sys trigger 1
command to wake up on RX data. NOTE: You may drop the first byte of
uart data. A better way is to wake up the module on CTS pin. Refer section
10.3 for details
The CTS pin on the RN-134 is tied to Sensor pin 1.
Use set sys trigger 2 command to wake up on CTS. Refer section 10.3 for
details
Wakes up the module from sleep based on the set sys wake <secs>
command
Input pulse of atleast 31μsecs duration (3.3V) will wake up the module.
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9/16/2010