COP87L88RW Datasheet, PDF (1/42 Pages) National Semiconductor (TI) – 8-Bit One-Time Programmable OTP Microcontroller with Pulse Train Generators and Capture Modules

PRELIMINARY
September 1996
COP87L88RW
8-Bit One-Time Programmable (OTP) Microcontroller
with Pulse Train Generators and Capture Modules
General Description
The COP87L88RW is a member of the COP8^TM 8-bit OTP
microcontroller family It is pin and software compatible to
the mask ROM COP888GW product family (Continued)
Key Features
Y _{Multiply divide functions}
Y _{Full duplex UART}
Y _{Four pulse train generators with 16-bit prescalers}
Y _{Two 16-bit input capture modules with 8-bit prescalers}
Y _{Two 16-bit timers each with two 16-bit registers}
supporting
Processor independent PWM mode
External event counter mode
Input capture mode
Y _{32 kbytes on-board OTP EPROM with security feature}
Note Mask ROMed devices with equivalent on-chip features and program
memory sizes of 16k is available
Y _{512 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 input
Y _{Schmitt trigger inputs on ports G and L}
Y _{Package 68 PLCC with I O pins}
CPU Instruction Set Features
Y _{1 ms instruction cycle time}
Y _{Fourteen multi-source vectored interrupts servicing}
External interrupt
Idle timer T0
Two timers (each with 2 interrupts)
MICROWIRE PLUS
Multi-Input Wake-Up
Software trap
UART (2)
Default VIS
Capture timers
Counters (one vector for all four counters)
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 to 5 5V}
Y _{Temperature range} b_{40 C to} a_{85 C}
Development Support
Y _{Emulation device for the COP888GW}
Y _{Real time emulation and full program debug offered by}
MetaLink’s Development System
Block Diagram
FIGURE 1 COP87L88RW Block Diagram
TRI-STATE is a registered trademark of National Semiconductor Corporation
MICROWIRE PLUSTM COPSTM microcontrollers MICROWIRETM WATCHDOGTM and COP8TM are trademarks of National Semiconductor Corporation
iceMASTERTM is a trademark of MetaLink Corporation
C1996 National Semiconductor Corporation TL DD12855
RRD-B30M106 Printed in U S A
TL DD 12855 – 1
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