COP87L88CL Datasheet, PDF (1/34 Pages) National Semiconductor (TI) – 8-Bit One-Time Programmable OTP Microcontroller

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
Processor independent PWM mode
External event counter mode
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 _WATCHDOGTM _{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 output}
push-pull output weak pull-up input high impedance in-
put)
Y _{Schmitt trigger inputs on ports G and L}
Y _Packages
44 PLCC with 39 I O pins
40 DIP with 33 I O pins
28 DIP with 24 I O pins
28 SO with 24 I O pins (contact local sales office for
availability)
CPU Instruction Set Features
Y _{1 ms instruction cycle time}
Y _{Ten multi-source vectored interrupts servicing}
External interrupt
Idle timer T0
Two timers (each with 2 Interrupts)
MICROWIRE PLUS
Multi-Input Wake Up
Software trap
Default VIS (default interrupt)
Y _{Versatile and easy to use instruction set}
Y _{8-bit Stack Pointer SP stack in RAM}
Y _{Two 8-bit register indirect data memory pointers}
(B and X)
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
TRI-STATE is a registered trademark of National Semiconductor Corporation
MICROWIRE PLUSTM WATCHDOGTM MICROWIRETM and COP8TM are trademarks of National Semiconductor Corporation
PC is a registered trademark of International Business Machines Corporation
iceMASTERTM is a trademark of MetaLink Corporation
C1996 National Semiconductor Corporation TL DD12524
RRD-B30M106 Printed in U S A
TL DD 12524 – 16
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