
TL/DD12524
C
PRELIMINARY
September 1996
COP87L88CL/COP87L84CL 8-Bit
One-Time Programmable (OTP) Microcontroller
General Description
The COP87L88CL/COP87L84CL OTP microcontrollers are
members of the COP8
TM
feature family using an 8-bit core
architecture. It is pin and software compatible to the mask
ROM COP888CL/COP884CL product family.
(Continued)
Key Features
Y
Two 16-bit timers, each with two 16-bit registers
supporting:
D Processor independent PWM mode
D External event counter mode
D Input capture mode
Y
4 kbytes on-board EPROM with security feature
Y
128 bytes on-board RAM
Additional Peripheral Features
Y
Idle timer
Y
Multi-Input Wake-Up (MIWU) with optional interrupts (8)
Y
WATCHDOG
TM
and clock monitor logic
Y
MICROWIRE/PLUS
TM
serial I/O
I/O Features
Y
Memory mapped I/O
Y
Software selectable I/O options (TRI-STATE
é
output,
push-pull output, weak pull-up input, high impedance in-
put)
Y
Schmitt trigger inputs on ports G and L
Y
Packages:
D 44 PLCC with 39 I/O pins
D 40 DIP with 33 I/O pins
D 28 DIP with 24 I/O pins
D 28 SO with 24 I/O pins (contact local sales office for
availability)
CPU/Instruction Set Features
Y
1
m
s instruction cycle time
Y
Ten multi-source vectored interrupts servicing
D External interrupt
D Idle timer T0
D Two timers (each with 2 Interrupts)
D MICROWIRE/PLUS
D Multi-Input Wake Up
D Software trap
D Default VIS (default interrupt)
Y
Versatile and easy to use instruction set
Y
8-bit Stack Pointer SPDstack in RAM
8-bit
register
(B and X)
Y
Two
indirect
data
memory
pointers
Fully Static CMOS
Y
Two power saving modes: HALT and IDLE
Y
Single supply operation: 2.7V–5.5V
Y
Temperature range:
b
40
§
C to
a
85
§
C
Development Support
Y
Emulation device for the COP888CL/COP884CL
Y
Real time emulation and full program debug offered by
MetaLink Development System
Block Diagram
TL/DD/12524–16
TRI-STATE
é
is a registered trademark of National Semiconductor Corporation.
MICROWIRE/PLUS
TM
, WATCHDOG
TM
, MICROWIRE
TM
and COP8
TM
are trademarks of National Semiconductor Corporation.
PC
é
is a registered trademark of International Business Machines Corporation.
iceMASTER
TM
is a trademark of MetaLink Corporation.
C
1996 National Semiconductor Corporation
RRD-B30M106/Printed in U. S. A.
http://www.national.com