EM78P803A

8-bit Micro-controller

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* This specification are subject to be changed without notice.

2

2005/8/12

V1.3.3

1/4 duty or 1/8 duty

PACKAGE

64-pad die (EM78P803AH)

100-pin QFP (EM78P803AQ)

64-pin QFP:

Name

/POVD

ERICen

EM78P803AAAQ

Disable (H)

Disable (L)

EM78P803AABQ

Disable (H)

Enable (H)

EM78P803ABAQ

Enable (L)

Disable (L)

EM78P803ABBQ

Enable (L)

Enable (H)

II. General Description

This is an 8-bit CID (Call Identification) RISC type microprocessor with low power, high speed CMOS technology.

Integrated onto a single chip are on-chip watchdog (WDT), RAM, OTP-ROM, programmable real time clock

/counter, internal interrupt, power down mode, LCD driver, Energy Detector (DED) or Low Batter Comparator and

tri-state I/O. It provides a single chip solution for versatile and general-purpose application use.

III. Application

Caller ID adjunct box or phone units for FSK/DTMF CID dual system development and general-purpose

application.