This document describes the features and applications of the encoding and decoding chips PT2262/PT2272, including low power consumption, few external components, wide operating voltage range, etc. These chips can be used in vehicle anti-theft systems, home security systems, remote control toys, and other remote control applications.
The PT2262 and PT2272 are low‑power, low‑cost codec chips produced by Taiwan's Shan Cheng company. They support up to 12 address bits and up to 6 data bits, providing up to 531,441 unique address codes for wireless remote‑control applications such as vehicle anti‑theft systems, home security and toy control.
The document describes the chip features, pin functions, electrical characteristics, address‑coding method, and how to set address codes using jumpers or solder bridges. It also includes example applications and purchasing information. This manual is written in Chinese.
| Operating voltage range | 2.6‑15 V |
|---|---|
| Maximum data bits | 6 bits |
| Maximum address codes | 531,441 codes |
The PT2262 works with a supply voltage from 2.6 V up to 15 V.
It can generate up to 531,441 different address codes.
The chip supports up to 6 data bits.