COP87L88GG Datasheet, PDF (1/42 Pages) National Semiconductor (TI) – 8-Bit One-Time Programmable OTP Microcontroller with UART and Three Multi-Function Timers

PRELIMINARY
August 1996
COP87L88GG
8-Bit One-Time Programmable (OTP) Microcontroller
with UART and Three Multi-Function Timers
General Description
The COP87L88GG OTP microcontroller is a member of the
COP8^TM feature family using an 8-bit core architecture It is
pin and software compatible to the mask ROM COP888GG
product family
(Continued)
Features
Y _{Full duplex UART}
Y _{Three 16-bit timers each with two 16-bit registers}
supporting
Processor independent PWM mode
External event counter mode
Input capture mode
Y _{16 kbytes on-board OTP EPROM with security feature}
Y _{512 bytes on-board RAM}
Additional Peripheral Features
Y _{Idle Timer}
Y _{Multi-Input Wakeup (MIWU) with optional interrupts (8)}
Y _WATCHDOGTM _{and clock monitor logic}
Y _{Two analog comparators}
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
40 DIP with 36 I O pins
44 PLCC with 40 I O pins
CPU Instruction Set Features
Y _{1 ms instruction cycle time}
Y _{Fourteen multi-source vectored interrupts servicing}
External interrupt with selectable edge
Idle Timer T0
Three Timers (each with 2 interrupts)
MICROWIRE PLUS
Multi-Input Wakeup
Software trap
UART (2)
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 ranges} b_{40 C to} a_{85 C}
Development Support
Y _{Emulation device for the COP888GG and COP888HG}
Y _{Real time emulation and full program debug offered by}
MetaLink Development System
Block Diagram
FIGURE 1 Block Diagram
TRI-STATE is a registered trademark of National Semiconductor Corporation
MICROWIRE PLUSTM COP8TM and WATCHDOGTM 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 DD12532
RRD-B30M96 Printed in U S A
TL DD 12532 – 1
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