EM78P447NAM datasheet(4/57 Pages) EMC | 8-BIT MICRO-CONTROLLER

Part No.	EM78P447NAM

Description	8-BIT MICRO-CONTROLLER

Download	57 Pages

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Manufacturer	EMC [ELAN Microelectronics Corp]

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

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4 / 57 page

EM78P447N

OTP ROM

2. FEATURES

• Operating voltage range: 2.5V~5.5V.

• Operating temperature range: -40

°C~85°C.

• Operating frequency rang( base on 2 clocks)

* Crystal mode: DC~20MHz at 5V, DC~8MHz at 3V, DC~4MHz at 2.5V.

* RC mode: DC~4MHz at 5V, DC~4MHz at 3V, DC~4MHz at 2.5V.

• Low power consumption:

* Less then 2.2 mA at 5V/4MHz

* Typically 35

µA, at 3V/32KHz

* Typically 2

µA, during sleep mode

• 4K

× 13 bits on chip ROM

• Three protection bits 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 600mil: EM78P447NAP

* 28 pin SOP 300mil : EM78P447NAM

* 28 pin SSOP 209mil: EM78P447NAS

* 32 pin DIP 600mil: EM78P447NBP

This specification is subject to change without prior notice.

10.21.2004 (V1.0)

4

* 32 pin SOP 450mil : EM78P447NBWM

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EM78P447NAM Datasheet(PDF) 4 Page - ELAN Microelectronics Corp

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