SmartRadio Transmitter / Receiver
RF620T - Pin Description
Pin No
1
2
3
4
5
9
10
RF620T
RF620R
Description
Data input 1. CMOS/TTL level
Input 1 OR
Telemetry Mode:
Serial data Input, active low. CMOS/TTL level
\Serial Data
Serial Mode:
Data input 2. CMOS/TTL level
Input 2 OR
Telemetry Mode:
Serial Mode:
\CTS data output, active low. CMOS/TTL level
\CTS
Dual function:
\Learn
Programming Switch input, When grounded places the module into ‘learn’ mode.
&
External LED output, Indicates data reception, and programming status.
\LED
GND via 10K resistor: Telemetry Mode
Mode
Vcc via 10K resistor:
Serial Mode
Connect Antenna to this input
ANT
GND
Vcc
Ground
+5V Supply Voltage
Name
RF620T – Serial Application circuit
RF620T – Telemetry Application circuit
DS620-3 Jan ‘07
©2007 Reg. No. 227 4001, ENGLAND
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