EM78P447S datasheet(4/55 Pages) EMC

Part #	EM78P447S

Description	8-BIT MICRO-CONTROLLER

Download	55 Pages

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Manufacturer	EMC [ELAN Microelectronics Corp]

Direct Link	http://www.emc.com.tw

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EM78P447S

OTP ROM

2. FEATURES

• Operating voltage range: 2.3V~5.5V.

• Operating temperature range: 0

°C~70°C.

• Operating frequency range( base on 2 clocks)

* Crystal mode: DC~20MHz at 5V, DC~8MHz at 3V, DC~4MHz at 2.3V.

* RC mode: DC~4MHz at 5V, DC~4MHz at 3V, DC~4MHz at 2.3V.

• Low power consumption:

* Less then 2.2 mA at 5V/4MHz

* Typically 30

µA, at 3V/32KHz

* Typically 1

µA, during sleep mode

• 4K

× 13 bits on chip ROM

• One security register to prevent intrusion of OTP memory codes

• One configuration register to accommodate user’s requirements

• 148

× 8 bits on chip registers(SRAM, general purpose register)

• 3 bi-directional I/O ports

• 5 level stacks for subroutine nesting

• 8-bit real time clock/counter (TCC) with selective signal sources, trigger edges, and overflow interrupt

• Two clocks per instruction cycle

• Power down (SLEEP) mode

• Two available interruptions

* TCC overflow interrupt

* External interrupt

• Programmable free running watchdog timer

• 10 programmable pull-high pins

• 2 programmable open-drain pins

• 2 programmable R-option pins

• Package types:

* 28 pin DIP 600 mil

: EM78P447SAP

* 28 pin SOP (SOIC) 300 mil : EM78P447SAM

* 28 pin SSOP 209 mil : EM78P447SAS

* 32 pin DIP 600 mil

: EM78P447SBP

* 32 pin SOP (SOIC) 450 mil : EM78P447SBWM

This specification is subject to change without prior notice.

06.25.2003 (V1.1)

4

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EM78P447S Datasheet(PDF) 4 Page - ELAN Microelectronics Corp

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