PT8A9781 Overview
Description
The PT8A977B and PT8A9781 provide a complete control functions to the remote-controlled toy. The PT8A9781 has four output pins corresponding with the four actions i.e, forward, backward, right, left.
Key Features
- PT8A977B works as encoder and PT8A9781 works as decoder
- Four control functions
- Auto-power-off and oscillation-off if no press on any button (977B)
- Press on any button to wake up (977B)
- On-chip oscillator with an external resistor (977B)
- On-chip oscillator with an external resistor and capacitor (9781)
- On-chip amplifiers (9781)
- Low operating current
- Few external components needed
