COP8CDR9HVA8/NOPB

Overview

The COP8CDR9HVA8/NOPB is an 8-bit CMOS Flash microcontroller from the COP8 family, featuring 32 kbytes of Flash program memory and 1 kbyte of volatile RAM. It integrates a 10-bit Analog-to-Digital Converter with up to 16 channels, two USARTs, and three timers. The device supports dual clock operation with a high-speed oscillator up to 10 MHz and a low-speed oscillator at 32.768 kHz. Operating voltage ranges from 2.7V to 5.5V for industrial temperatures (-40°C to +85°C) and 4.5V to 5.5V for extended temperatures (-40°C to +125°C). It lacks a Brownout Reset feature.

Feature Summary

• Virtual EEPROM capability using Flash program memory for nonvolatile data storage
• EMI reduction technology including gradual turn-on output drivers and internal smoothing filters
• True in-system emulation and programming via MICROWIRE/PLUS interface
• Dual clock system allowing switching between high-speed and low-speed oscillators for power management

Applications

• Embedded control systems requiring large program memory and analog input processing
• Low electromagnetic interference (EMI) sensitive designs
• Applications necessitating in-system reprogrammability without external programmers
• Battery-powered devices utilizing low-speed oscillator modes for power conservation

Procurement Notes

Verify component authenticity through authorized Texas Instruments distributors or certified suppliers. Confirm the specific suffix matches the required package and temperature range. Check current production status as legacy components may have limited availability or end-of-life implications. Ensure handling procedures account for ESD sensitivity during storage and installation.

Selection Notes

Select this model when 32 kbytes of Flash memory and multiple analog inputs are required within an 8-bit architecture. Choose the COP8CDR9 variant specifically if Brownout Reset functionality is not needed for the application design. Consider the available package options such as PLCC, WQFN, or TSSOP based on board space constraints. Verify that the operating voltage range aligns with the system power supply specifications.

Part Context

This component belongs to the COP8CBR9/COP8CCR9/COP8CDR9 series of 8-bit CMOS Flash microcontrollers. The CDR9 designation indicates the absence of a Brownout Reset feature compared to the CBR9 and CCR9 variants. All members share the same core architecture, memory size, and peripheral set, differing primarily in voltage thresholds and temperature ratings.

Replacement Considerations

Direct pin-compatible replacements within the same family include COP8CBR9 and COP8CCR9, provided the absence of Brownout Reset in the CDR9 does not impact system reliability. Cross-family migration requires architectural review due to differences in instruction sets and peripheral configurations.