COP8SAC744V9 datasheet(2/60 Pages) NSC

Part #	COP8SAC744V9

Description	8-Bit CMOS ROM Based and One-Time Programmable OTP Microcontroller with 1k to 4k Memory, Power On Reset, and Very Small Packaging

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Manufacturer	NSC [National Semiconductor (TI)]

Direct Link	http://www.national.com

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CPU Features

n Versatile easy to use instruction set

n 1 µs instruction cycle time

n Eight multi-source vectored interrupts servicing

— External interrupt

— Idle Timer T0

— One Timer (with 2 interrupts)

— MICROWIRE/PLUS Serial Interface

— Multi-Input Wake Up

— Software Trap

— Default VIS (default interrupt)

n 8-bit Stack Pointer SP (stack in RAM)

n Two 8-bit Register Indirect Data Memory Pointers

n True bit manipulation

n Memory mapped I/O

n BCD arithmetic instructions

Peripheral Features

n Multi-Input Wakeup Logic

n One 16-bit timer with two 16-bit registers supporting:

— Processor Independent PWM mode

— External Event counter mode

— Input Capture mode

n Idle Timer

n MICROWIRE/PLUS Serial Interface (SPI Compatible)

I/O Features

n Software selectable I/O options

— TRI-STATE® Output

— Push-Pull Output

— Weak Pull Up Input

— High Impedance Input

n Schmitt trigger inputs on ports G and L

n Up to 12 high current outputs

n Pin efficient (i.e., 40 pins in 44-pin package are devoted

to useful I/O)

Fully Static CMOS Design

n Low current drain (typically < 4 µA)

n Single supply operation: 2.7V to 5.5V

n Two power saving modes: HALT and IDLE

Temperature Ranges

0˚C to +70˚C, −40˚C to +85˚C, and −40˚C to +125˚C

Development Support

n Windowed packages for DIP and PLCC

n Real time emulation and full program debug offered by

MetaLink Development System

Block Diagram

DS012838-1

FIGURE 1. COP8SAx Block Diagram

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COP8SAC744V9 Datasheet(PDF) 2 Page - National Semiconductor (TI)

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