COP87L84 NSC [National Semiconductor], COP87L84 Datasheet

COP87L84

Manufacturer Part Number

COP87L84

Description

8-Bit CMOS OTP Microcontrollers with 16k Memory, Comparators, and CAN Interface

Manufacturer

NSC [National Semiconductor]

Datasheet

1.COP87L84.pdf (54 pages)

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COP87L84BC

8-Bit CMOS OTP Microcontrollers with 16k Memory,

Comparators, and CAN Interface

General Description

The COP87L84BC OTP (One Time Programmable) micro-

controllers are highly integrated COP8

vices with 16k OTP EPROM memory and advanced features

including a CAN 2.0B (passive) interface and two Analog

comparators. These multi-chip CMOS devices are suited for

applications requiring a full featured controller with a CAN in-

terface, and 8-bit 39 kHz PWM timer, and as pre-production

devices for a masked ROM design. Pin and software com-

patible 2k ROM versions are available (COP884BC) with a

range of COP8 software and hardware development tools.

Key Features

n CAN 2.0B (passive) Interface

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

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

n 16 kbytes on-board OTP EPROM with security feature

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

n Schmitt trigger inputs on ports G and L

n Packages: 28 SO with 18 I/O pins

COP8

TRI-STATE

iceMASTER

— Processor Independent PWM mode

— External Event counter mode

— Input Capture mode

monitor timer with 2 output pins

Push-Pull Output, Weak Pull-Up Input, High Impedance

Input)

COP87L84BC

™

, and MICROWIRE/PLUS

Device

is a registered trademark of National Semiconductor Corporation.

is a registered trademark of MetaLink Corporation.

™

are trademarks of National Semiconductor Corporation.

16k OTP EPROM

Memory (bytes)

™

DS101137

Feature core de-

Output,

RAM (bytes)

Features include an 8-bit memory mapped architecture, 10

MHz CKI (-XE = crystal oscillator) 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

two power saving HALT/IDLE modes, idle timer, MIWU, soft-

ware selectable I/O options, low EMI 4.5V to 5.5V operation,

and 28 pin packages.

Note: The companion devices with CAN interface, more I/O

and memory, A/D, and USART are the COP87L88EB/RB.

Device included in this datasheet is:

CPU/Instruction Set Features

n 1 µs instruction cycle time

n Eleven 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: 4.5V–5.5V

n Temperature ranges: −40˚C to +85˚C

Development Support

n Emulation device for COP884BC/COP885BC

n Real time emulation and full program debug offered by

— 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)

(B and X)

MetaLink Development Systems

I/O Pins

™

serial I/O, two Analog comparators,

Packages

28 SOIC

Temperature

-40 to +85˚C

September 1999

www.national.com

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