COP884BC datasheet(1/57 Pages) NSC

Part #	COP884BC

Description	8-Bit CMOS ROM Based Microcontrollers with 2k Memory, Comparators, and CAN Interface

PDF	57 Pages

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Manufacturer	NSC [National Semiconductor (TI)]

Direct Link	http://www.national.com

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COP884BC/COP885BC

8-Bit CMOS ROM Based Microcontrollers with 2k

Memory, Comparators, and CAN Interface

General Description

The COP884BC ROM based microcontrollers are highly in-

tegrated COP8™ Feature core devices with 2k memory and

advanced features including a CAN 2.0B (passive) interface

and two Analog comparators. These single-chip CMOS de-

vices are suited for applications requiring a full featured con-

troller with a CAN interface, low EMI, and an 8-bit 39 kHz

PWM timer. COP87L84BC devices are pin and software

compatible 16k OTP (One Time Programmable) versions for

pre-production, and for use with a range of COP8 software

and hardware development tools.

Features include an 8-bit memory mapped architecture, 10

MHz CKI (crystal osc) with 1µs instruction cycle, one multi-

function 16-bit timer/counter, 8-bit 39 kHz PWM timer with 2

outputs, CAN 2.0B (passive) interface, MICROWIRE/

PLUS™ serial I/O, two Analog comparators, two power sav-

ing HALT/IDLE modes, idle timer, MIWU, software selectable

I/O options, Power on Reset, low EMI 4.5V to 5.5V opera-

tion, and 20/28 pin packages.

Note: A companion device with CAN interface, more I/O and

memory, A/D, and USART is the COP888EB.

Devices included in this datasheet are:

Device

Memory (bytes)

RAM (bytes)

I/O Pins

Packages

Temperature

COP684BC

2k ROM

64

18

28 SOIC

-55 to +125˚C

COP884BC

2k ROM

64

18

28 SOIC

-40 to +85˚C

COP685BC

2k ROM

64

10

20 SOIC

-55 to +125˚C

COP885BC

2k ROM

64

10

20 SOIC

-40 to +85˚C

Key Features

n CAN 2.0B (passive) Interface

n Power On Reset (selectable)

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

— Processor Independent PWM mode

— External Event counter mode

— Input Capture mode

n High speed, constant resolution 8-bit PWM/frequency

monitor timer with 2 output pins

n 2048 bytes on-board ROM

n 64 bytes on-board RAM

Additional Peripheral Features

n Idle Timer

n Multi-Input Wake Up (MIWU) with optional interrupts (7)

n Two analog comparators

n MICROWIRE/PLUS serial I/O

I/O Features

n Memory mapped I/O

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 Packages: 28 SO with 18 I/O pins and 20 SO with 10

I/O pins

CPU/Instruction Set Features

n 1 µs instruction cycle time

n Eleven multi-source vectored interrupts servicing

— External Interrupt

— Idle Timer T0

— Timer T1 (with 2 Interrupts)

— MICROWIRE/PLUS

— Multi-Input Wake Up

— Software Trap

— PWM Timer

— CAN Interface (with 3 interrupts)

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

(B and X)

Fully Static CMOS

n Two power saving modes: HALT and IDLE

n Low current drain (typically <1 µA)

n Single supply operation: 4.5V–5.5V

n Temperature ranges: −40˚C to +85˚C, −55˚C to +125˚C

Development Support

n Emulation and OTP devices

n Real time emulation and full program debug offered by

MetaLink Development Systems

COP8™, and MICROWIRE/PLUS™ are trademarks of National Semiconductor Corporation.

TRI-STATE® is a registered trademark of National Semiconductor Corporation.

iceMASTER® is a registered trademark of MetaLink Corporation.

September 1999

DS012067

www.national.com

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