Description
HT8A977B/978B 5-Function Remote Controller .
The HT8A977B and HT8A978B provide complete control functions to the remote-controlled toy.
Features
* HT8A977B works as encoder and HT8A978B works as decoder
* Five pins for five control functions
* Operating power-supply voltage: 2.5V to
5.0V (978B), 1.8V to 5.0V(977B)
* Auto-power-off and oscillation-off if no press
on any button (977B)
* Press on any button to wake up (977B)
Applications
* respectively. The HT8A978B has five output pins corresponding with the five actions. The received signals are amplified by the three-stage amplifier, and then the appropriate amplified signals are sampled, fault-tolerantly checked and decoded to control the actions of the remote-controlled toy. Ther