+5V Supply Voltage – RF section
RF Ground
Connect Antenna to this input
RF Ground
AF Ground
Received Signal Strength Indicator (RSSI)
Raw Data output from RF receiver (CMOS/TTL signal)
+5V Supply Voltage – digital section
Digital Ground
Pulls Microcontroller into reset if connected to Ground
May be left unconnected if not required (internally tied high)
Connect to GND to make link, may be left O/C if not required
Connect to GND to make link, may be left O/C if not required
Programming Switch input. Used when learning new transmitters and erasing data.
External LED sink output, can be connected directly to cathode of external LED.
Connect Anode of the LED directly to +5V.
Indicates Data reception, and programming status.
Active High data Output 2 (has a 220series resistor
Active High data Output 3 (has a 220series resistor
Active High data Output 4 (has a 220series resistor) or
Battery Low Output: Indicates when the transmitter battery is low voltage (Output is
high when battery low)
Serial Data Output: Outputs the Serial ID of transmitter encoder. Please see RF600
for serial data format and timings
Active High data Output 1 (has a 220series resistor
7
6
5
4
3
2
1
A(a)
$ 0D $0A
10 bytes of data transmitted
Line feed (last character)
Carriage return
Transmitter button information
with battery status
Transmitter serial number
Output from SD1 pin