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PT8A973 Datasheet (PT8A972 - PT8A974) 8-Direction Remote Controller

Manufacturer: Pericom Semiconductor (now Diodes Incorporated)

General Description

The PT8A9702P works as encoder, it can provide 8direction remote control for toy car application with PT8A973/973L/PT8A974/974L together.

Input 8direction named F, FL, L, BL, BR, R, FR, and B they are combined with F, L, B, and R four signals.

In decoder side, use output signal Left & Right to drive Right Motor, and use For & Back to drive Left Motor.

Overview

Data Sheet PT8A9702/973/973L/974/974L 8-Direction Remote Controller ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||.

Key Features

  • The PT8A9702 works as the encoder and the PT8A973/974/973L/974L works as the decoder.
  • 8-direction control.
  • Operation power supply for PT8A9702: 3V to 12V (with series resistor).
  • Auto power-off if no key pressed (PT8A9702).
  • Motor current limit to meet toy safety standard HD271 (PT8A973/974/973L/974L).
  • Low operating current.
  • On-chip oscillator with an external resistor.
  • On-chip reversing amplifiers.
  • Built-in 3.8V Zen.