cop87l88fh National Semiconductor Corporation, cop87l88fh Datasheet

cop87l88fh

Manufacturer Part Number

cop87l88fh

Description

8-bit Cmos Otp Microcontrollers With 16k Memory, Comparators, Usart And Hardware Multiply/divide

Manufacturer

National Semiconductor Corporation

Datasheet

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COP87L88FH

8-Bit CMOS OTP Microcontrollers with 16k Memory,

Comparators, USART and Hardware Multiply/Divide

General Description

The COP87L88FH OTP (One Time Programmable) micro-

controllers are highly integrated COP8

vices with 16k memory and advanced features including

Analog comparators, and Hardware Multiply/Divide. These

multi-chip CMOS devices are suited for applications requir-

ing a full featured controller with comparators, a full-duplex

USART, and hardware multiply/divide functions, and as

pre-production devices for a masked ROM design. Lower

cost pin and software compatible 12k ROM versions are

available (COP888FH), as well as a range of COP8 software

and hardware development tools.

Key Features

n Hardware Multiply/Divide Functions

n Full duplex USART

n Three 16-bit timers, each with two 16-bit registers

n 16 kbytes on-board EPROM with security features

n 512 bytes on-board RAM

Additional Peripheral Features

n Idle Timer

n Multi-Input Wakeup (MIWU) with optional interrupts (8)

n Two analog comparators

n WATCHDOG and Clock Monitor logic

n MICROWIRE/PLUS serial I/O

I/O Features

n Software selectable I/O options ( TRI-STATE

n Schmitt trigger inputs on ports G and L

n Packages:

COP8

MICROWIRE

MICROWIRE/PLUS

TRI-STATE

WATCHDOG

iceMASTER

supporting:

— Processor Independent PWM mode

— External Event counter mode

— Input Capture mode

Push-Pull, Weak Pull-Up, and High Impedance)

— 40 DIP with 36 I/O pins

— 44 PLCC with 40 I/O pins

— 28 DIP/SO with 24 I/O pins

COP87L84FH

COP87L88FH

™

Device

is a trademark of National Semiconductor Corporation.

™

is a registered trademark of National Semiconductor Corporation.

™

is a trademark of MetaLink Corporation.

is a trademark of National Semiconductor Corporation.

™

is a trademark of National Semiconductor Corporation.

16k OTP EPROM

Memory (bytes)

™

DS101135

Feature core de-

RAM (bytes)

512

Family features include an 8-bit memory mapped architec-

ture, 10 MHz CKI (-XE = crystal oscillator; -TE = external

clock) with 1µs instruction cycle, hardware multiply/divide

functions, three multi-function 16-bit timer/counters with

PWM, full duplex USART, MICROWIRE/PLUS

comparators, two power saving HALT/IDLE modes, MIWU,

idle timer, WATCHDOG

2.7V to 5.5V operation, and 28/40/44 pin packages.

Devices included in this data sheet are:

CPU/Instruction Set Features

n 1 µs instruction cycle time

n Fourteen multi-source vectored interrupts servicing

n Versatile and easy to use instruction set

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

n Two 8-bit Register Indirect Data Memory Pointers

Fully Static CMOS

n Two power saving modes: HALT and IDLE

n Single supply operation: 2.7V–5.5V

n Temperature ranges: −40˚C to +85˚C

Development Support

n Emulation device for COP888FH

n Real time emulation and full program debug offered by

— External Interrupt

— Idle Timer T0

— Three Timers (Each with 2 Interrupts)

— MICROWIRE/PLUS

— Multi-Input Wake Up

— Software Trap

— USART (2)

— Default VIS (default interrupt)

(B and X)

MetaLink Development System

I/O Pins

36/40

28 DIP/SOIC

40 DIP, 44 PLCC

Packages

™

and clock monitor logic, low EMI

September 1999

Temperature

-40 to +85˚C

™

www.national.com

, two Analog

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