COP8SAC728N9

Overview

The COP8SAC728N9 is an 8-bit CMOS microcontroller from the COP8SA family, featuring 4k bytes of OTP EPROM and 128 bytes of RAM. It utilizes a modified Harvard architecture with a single-cycle instruction cycle time of 1 µs at 10 MHz CKI. The device operates within a voltage range of 2.7V to 5.5V and supports temperatures from -40°C to +85°C. Key peripherals include a 16-bit timer/counter, MICROWIRE/PLUS serial interface, and Multi-Input Wakeup logic. It is housed in a 28-pin DIP package.

Feature Summary

• Low electromagnetic interference design utilizing patented circuitry for reduced radiated emissions.
• Versatile instruction set optimized for code efficiency with single-byte, single-cycle execution capabilities.
• Flexible I/O configuration allowing software-selectable TRI-STATE, push-pull, or weak pull-up modes.
• Integrated power management features including HALT and IDLE modes with multi-sourced wakeup interrupts.

Applications

• Low-cost embedded control systems requiring full featured controller capabilities
• Applications necessitating low EMI compliance and quiet design characteristics
• Battery-powered devices utilizing low current drain and power saving modes

Procurement Notes

Verify the specific ordering suffix N9 corresponds to the 28-pin DIP package and the -40°C to +85°C temperature range as defined in the official datasheet. Confirm that the OTP EPROM version meets the required memory security and read/write protection specifications for the intended application before finalizing procurement.

Selection Notes

Select this component when a cost-effective 8-bit solution with OTP programmability is required. Ensure the system design accommodates the modified Harvard architecture for direct data table access from program memory. Verify that the available I/O pins and peripheral functions, such as the 16-bit timer and MICROWIRE interface, align with the specific hardware requirements.

Part Context

This device belongs to the COP8SA family, which serves as a pin-compatible superset and replacement for the older COP800 family in new designs. The COP8SA series integrates advanced features like low EMI technology and Power-On Reset while maintaining compatibility with existing development tools and software ecosystems designed for the COP8 core architecture.

Replacement Considerations

COP8SAC728M9 (Windowed EPROM)

FAQ

What is the maximum operating voltage for the COP8SAC728N9?

The absolute maximum supply voltage rating is 7 V, but the recommended operating voltage range is 2.7V to 5.5V.

Does the COP8SAC728N9 support external clock sources?

Yes, the device supports crystal/resonator options, external oscillators, and an internal R/C oscillator.

How many high current output pins are available on this microcontroller?

The device provides up to 12 high current outputs suitable for driving LEDs, motors, or speakers.