PCA8521 Datasheet (NXP) - Infrared remote control transmitter RC5

PCA8521, Infrared remote control transmitter RC5

PCA8521 The PCA8521 can be used in infrared remote control transmitters.

It generates output pulses, in accordance with the RC5 protocol, when a key is pressed.

The IC does not contain a software programmable processor.

However, it does contain a ROM in which the codes that have to be transmitted

PCA8521 Features

* RC5 protocol

* Maximum of:

* 56 keys (20-pin version)

* 30 keys (16-pin version).

* Option of multi-system or single system transmitter

* Multi-system: maximum 8 systems, selection by key

* Single system: maximum 8 different systems per IC, s