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What is EM78869?

This electronic component, produced by the manufacturer "ELAN Microelectronics", performs the same function as "8-Bit RISC Type Microprocessor".


EM78869 Datasheet PDF - ELAN Microelectronics

Part Number EM78869
Description 8-Bit RISC Type Microprocessor
Manufacturers ELAN Microelectronics 
Logo ELAN Microelectronics Logo 


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EM78869
8-Bit RISC Type
Microprocessor
Product
Specification
VERSION 1.0
ELAN MICROELECTRONICS CORP.
July 2004

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EM78869 equivalent
EM78869
8-Bit RISC Type Microprocessor
1 General Description
The EM78869 is an 8-bit RISC type microprocessor with low power, high speed CMOS
technology. Integrated into the single chip are on chip watchdog (WDT), RAM, ROM,
programmable real-time clock/counter, internal interrupt, power-down mode, LCD driver, and
tri-state I/O. The EM78869 provides a single chip solution for designing DATA-BANK of
message display.
The EM78869 is the cost-down version of its predecessor, the EM78862/B. Comparison
between the two series is as follows:
Item
EM78862
EM78862B
EM78869
ROM size
16K X 13 bit
16K X 13 bit
8K X 13 bit
RAM size
2.2K X 8 bit
2.2K X 8 bit
0.7K X 8 bit
LCD
60 X 9
60 X 9
40 X 9
LCD RAM
Write only when LCD is enabled. Read/Write when disabled.
Oscillator
Crystal
Crystal/RC
Crystal/RC
Code option MCLK
MCLK/OSCSEL
MCLK/ELCD/OSCSEL
Pins number 84 84 64
OTP
EM78P862A
EM78P862A
EM78P862A
2 Features
2.1 CPU
„ Operating voltage range: 2.2V ~ 5.5V
„ Operating temperature range: –20°C ~ +70°C.
„ 32.768KHz Crystal/RC oscillation circuit selected by code option for system clock
„ 144 byte general purpose register
„ 640 x 8 bits on-chip data RAM
„ 8K x 13 on-chip mask type program ROM.
„ Up to 29 bi-directional tri-state I/O ports
„ 8-level stack for subroutine nesting
„ 8-bit real time clock/counter (TCC)
„ Programmable free running on-chip watchdog timer
„ Port key scan function
„ Operation mode: a) Normal mode; b) Green mode; c).Idle mode; d) Sleep mode
„ Input port wake-up function (Port 9)
„ 7 interrupt sources:
4 external (INT0 ~ INT3)
3 internal (one TCC timer overflow interrupt + two 8-bit counters overflow interrupt)
„ 64-pin chip form (EM78869)
This specification is subject to change without further notice.
07.12.2004 (V1.0) 1 of 34


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On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for EM78869 electronic component.


Information Total 30 Pages
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Featured Datasheets

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EM78860The function is 8-BIT MICRO-CONTROLLER. ELAN Microelectronics CorpELAN Microelectronics Corp
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EM78862KThe function is 8-Bit RISC Type Microprocessor. ELAN MicroelectronicsELAN Microelectronics

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