EM78F651NAMSSLASHNAMJ datasheet(5/58 Pages) EMC

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EM78F651N

8-Bit Microcontroller

Product Specification (V1.1) 10.20.2006

• 1

(This specification is subject to change without further notice)

General Description

The EM78F651N is an 8-bit microprocessor designed and developed with low-power, high-speed CMOS technology

and high noise immunity. It has an on-chip 1K

×13-bit Electrical Flash Memory and 128×8-bit in system programmable

EEPROM. It provides three protection bits to prevent intrusion of user’s Flash memory code. Twelve Code option bits

are also available to meet user’s requirements.

With its enhanced Flash-ROM feature, the EM78F651N provides a convenient way of developing and verifying user’s

programs.

Moreover, this Flash-ROM device offers the advantages of easy and effective program updates, using

development and programming tools. User can avail of the ELAN Writer to easily program his development code.

Features

CPU configuration

• 1K×13 bits on chip ROM

• 80×8 bits on chip registers (SRAM)

• 128 bytes in-system programmable EEPROM

*Endurance: 100,000 write/erase cycles

• More than 10 years data retention

• 5-level stacks for subroutine nesting

• Less than 2 mA at 5V/4MHz

• Typically 20 µA, at 3V/32kHz

• Typically 2 µA, during sleep mode

I/O port configuration

• 2 bidirectional I/O ports

• Wake-up port : P6

• 8 Programmable pull-down I/O pins

• 8 programmable pull-high I/O pins

• 8 programmable open-drain I/O pins

• External interrupt : P60

Operating voltage range:

• Operating voltage: 2.2V~5.5V at -40°C ~85°C

(Industrial)

Operating frequency range (base on two clocks):

• Crystal mode:

DC ~ 20MHz @ 5V

DC ~ 8MHz @ 3V

DC ~ 4MHz @ 2.2V

• ERC mode:

DC ~ 16MHz @ 5V

DC ~ 8MHz @ 3V

DC ~ 4MHz @ 2.2V

• IRC mode:

DC ~ 16MHz @ 4.5V~5.5V

DC ~ 4MHz @ 2.2V~5.5V

Three available interrupts:

• TCC overflow interrupt

• Input-port status changed interrupt (wake-up from

sleep mode)

• External interrupt

Peripheral configuration

• 8-bit real time clock/counter (TCC) with selective signal

sources, trigger edges, and overflow interrupt

• Power down (Sleep) mode

*Vdd power monitor and supports low voltage detector

interrupt flag

• 4 programmable Level Voltage Detector (LVD)

• Three security registers to prevent intrusion of Flash

memory codes

• One configuration register to accommodate user’s

requirements

• 2/4/8/16 clocks per instruction cycle selected by code

option

Single instruction cycle commands

Four Crystal range in Oscillator Mode

Crystal Range

Oscillator Mode

20MHz ~ 6MHz

HXT

6MHz ~ 1MHz

1MHz ~ 100kHz

LXT1

32.768kHz

LXT2

Programmable free running watchdog timer

Package type:

• 14-pin DIP 300mil

EM78F651NAPxS/xJ

• 14-pin SOP 150mil

EM78F651NAMxS/xJ

• 16-pin DIP 300mil

EM78F651NABPxS/xJ

• 16-pin SOP 300mil

EM78F651NABMxS/xJ

• 18-pin DIP 300 mil

EM78F651NCPxS/xJ

• 18-pin SOP 300mil

EM78F651NCMxS/xJ

• 20-pin DIP 300mil

EM78F651NDPxS/xJ

• 20-pin SSOP 209mil

EM78F651NDKMxS/XJ

Green products do not contain hazardous substances.

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