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EM78804A

ELAN Microelectronics
Part Number EM78804A
Manufacturer ELAN Microelectronics
Description 8-BIT MICRO-CONTROLLER
Published Apr 21, 2015
Detailed Description EM78804A 8-BIT MICRO-CONTROLLER Version 1.5 ELAN MICROELECTRONICS CORP. No. 12, Innovation 1st RD., Science-Based Indust...
Datasheet PDF File EM78804A PDF File

EM78804A
EM78804A

Overview
EM78804A 8-BIT MICRO-CONTROLLER Version 1.
5 ELAN MICROELECTRONICS CORP.
No.
12, Innovation 1st RD.
, Science-Based Industrial Park Hsin Chu City, Taiwan, R.
O.
C.
TEL: (03) 5639977 FAX: (03) 5630118 Version History Specification Revision History Version Content EM78804A 1.
0 Initial version 1.
1 Revise operating voltage from 2.
2-4.
2V to 2.
2-3.
8V Max DC voltage to 4V 1.
2 Delete 803A, revise operating Voltage from 2.
.
2-3.
8V to 2.
2-3.
6V Max DC voltage to 3.
8V.
Fig.
24 power concern in application.
Application note.
1.
3 Delete Feature: Low battery detector (2.
5V), max DC supply 3.
8V to 3.
6V, modify power concern in application: add regulator 1.
4 Revised package from 64-pin QFP to 100-pin QFP 1.
5 1.
add osc and reset timing spec 2.
add osc and reset timing figure Fig.
21 3.
add LCD driver current spec 4.
add LCD flame rate spec 5.
add typical spec.
for current consumption Release Date 2001/07/09 2001/08/23 2001/08/29 2001/09/04 2004/06/23 2004/07/13 User Application Note 1.
ROM, OTP, ICE ROM EM78804A OTP EM78P806/P806A ICE ICE806 2.
Main Function Difference Operation voltage EM78804A 2.
2 ~ 3.
6V EM78P806/P806A 2.
5V ~ 5.
5V EM78804A 8-bit Micro-controller I.
General Description The EM78804A 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 , ROM , programmable real time clock /counter , internal interrupt , power down mode , LCD driver , Tone generator and tri-state I/O .
EM78804A provides a single chip solution to design a CID of calling message display .
II.
Feature CPU Operating voltage range : 2.
2V 3.
6V 8K 13 on chip One Time Programmable ROM 0.
6K 8 on chip RAM Up to 28 bi-directional tri-state I/O ports 8 level stack for subroutine nesting 8-bit real time clock/counter (TCC) with 8-bit prescaler Two sets of 8 bit counters can be interrupt sources Selective signal sources and overflow interrupt Programmable free running on chip watchdog timer 99.
9 singl...


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