PCA8521 - Infrared remote control transmitter RC5

NXP

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Datasheet Details

Part number	PCA8521
Manufacturer	NXP
File Size	100.52 KB
Description	Infrared remote control transmitter RC5
Datasheet	PCA8521_PhilipsSemiconductors.pdf

PCA8521 Product details

Description

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 are stored.An example of an application diagram using a 20-pin IC is illustrated in Fig.7. The oscillator frequency may be optionally chosen as 432 kHz or 4 MHz.For 432 kHz additional external capac

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, selection by jumper wire or switch.
Power-down and key wake-up.
High output current (≤ 45 mA).
Oscillator frequency of 432 kHz or 4 MHz.
Multiple key protection.

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Published: Mar 22, 2005 |