National Semiconductor COP87L88CL COP87L84CL 8-Bit One-Time Programmable (OTP) Microcontroller Data Sheet Manual
Summary
This advanced 8-bit One-Time Programmable (OTP) microcontroller is designed for engineers needing reliable embedded control solutions in demanding applications. Key features include an efficient 1 ms instruction cycle, extensive peripherals like PWM generation and multi-source interrupts, integrated memory, and low power consumption modes. This manual provides comprehensive technical documentation, including detailed pinouts for various packages (28/40/44-Pin), electrical specifications, operating ranges, and development support details necessary for integrating the device into complex systems.
Manual Details
| Brand | National |
|---|---|
| Pages | 34 |
| File Size | 391.13 KB |
| Published | May 31, 2026 |
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Frequently Asked Questions
What is the operating voltage range for this microcontroller?
The MICROWIRE/PLUS operates over a voltage range of 2.7V to 5.5V, and it features single supply operation ranging from 2.7V±5.5V.
Does the device have hardware support for various input signals?
Yes, it includes Schmitt trigger inputs on ports G and L, as well as Multi-Input Wake-Up (MIWU) with optional interrupts.
How fast is code execution using this microcontroller?
The device boasts a 1 ms instruction cycle time, providing high throughput achieved through its efficient serial I/O.
What memory capacity does the unit offer on board?
It provides 4 kbytes of on-board EPROM with security features and 128 bytes of on-board RAM.