rfw102 ETC-unknow, rfw102 Datasheet - Page 6

• Manufacturer Part Number: rfw102
• Description: Rfw102 Transceiver Chipset Shortrang
• Manufacturer: ETC-unknow

Datasheet
October 2002
Rev. 1.03
Transceiver Interface
The transceiver implementation using the RFW102 chipset (see Reference Design) includes the following
interface.
Name
Vcc
GND
Tx/Rx*
ACT*
DataIO*
RSSI
* ESD protected pin.
Timing Diagrams
Transmit Timing
Receive Timing
© 2002, RFWaves LTD.
Time (us)
TxRx
ACT
DataIO
Output Signal
Time (us)
TxRx
ACT
Input Signal
DataIO
H
L
Characteristic
IC power supply input. A regulated voltage of 2.7-3.6Volts.
Apply the supply ground to this pin.
Mode selection input. Apply Vcc for transmit mode.
Apply 0V (GND) for receive mode.
Apply 0V (GND) for standby mode.
Apply Vcc to this pin to turn the module on.
It typically takes the module 20µs to wake up into a fully operational mode.
CMOS-level pin.
In Tx mode this is an input pin, positive edge trigger. Every time TxD goes from GND to
Vcc, a spread bit is transmitted.
In Rx mode this is an output pin.
CMOS-level pin.
Received Signal Strength Indicator. Indicates the power transmitted in the RFW102
frequency band, allowing determining whether to transmit (Tx). Please refer to the relevant
application note for more information.
0
0
Twa
Twa
12
12
Td
Tdil
Tacq
13
Top
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14
RFW102 ISM Transceiver Chipset
Tdr
Tpw
15
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