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RFD21733 Datasheet, PDF (30/76 Pages) List of Unclassifed Manufacturers – Compliance Approved 2.4 GHz RF Transceiver Modules with Built-In RFDP8 Application Protocol
© Copyright, RF Digital
7/10/2011 1:40 AM
Patents Pending
RoHS CE • ESTI
RFD21733 • FCC • IC
RFD21743 • FCC
Approved & Certified
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RFDP8
RF Module
RFD21733
RFD21735
RFD21737
RFD21738
RFD21739
RFDP8
RFDANT
RFD21742
RFD21743
RFD21772
RFD21773
KEYFOBs
Table for Eval Boards ONLY - RFD21737, RFD21738, RFD21739, RFD21772, RFD21773.
EVAL Pin Label
Direction
Pull Up or Pull Down
BOARD
1 GND
Input
Ground
2 +V
Input
+V Power
3 ON
Input
On input to on-board regulator. Tie to +V for board to run.
4 FACTORY
Input
3.3k pull down. (Inside of Modules and RFDANTs)
5 RESET
Input
3.3k pull up. (Inside of Modules and RFDANTs)
6 Mode Select 0
Input
13k ohm pull down for about 1mS after reset or after power
up. (Inside of Modules and RFDANTs)
7 Mode Select 1
Input
47k pull down mounted on Eval Board.
8 Mode Select 2
Input
47k pull down mounted on Eval Board.
9 TX LED / Status / Learn Input / Output 47k pull down mounted on Eval Board.
10 IN1 / OUT1 / LOGIC IO Input / Output 47k pull down mounted on Eval Board.
11 IN2 / OUT2 / RXD
Input / Output 47k pull down mounted on Eval Board.
12 IN3 / OUT3 / TXD
Input / Output 47k pull down mounted on Eval Board.
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MODES
Mode 0 – Active RFID Transmitter
RFDANT Module Pin Label
Pin # Pin #
2
13 +V
1
10 GND
5
16 Mode Select 0
6
17 Mode Select 1
7
3 Mode Select 2
8
4 TX LED
9
5 IN1
10
6 IN2
11
7 IN3
Direction Function
Input
Input
Input
Input
Input
Output
Input
Input
Input
+V Power
Ground
Tie to GND
Tie to GND
Tie to GND
Toggles high during transmission (1 blink every 2 seconds)
Active high switch input #1 (optional) if not used, pull to
GND.
Active high switch input #2 (optional) if not used, pull to
GND.
Active high switch input #3 (optional) if not used, pull to
GND.
Free Applications Support • Email your application questions to support@rfdigital.com
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