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