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Product Detailed Parameters
- Description：COP8SBR9 8-BIT CMOS FLASH MICROC
- Series：COP8™ 8S
- Mfr：National Semiconductor
- Package：Bulk
- Core Processor：COP8
- Core Size：8-Bit
- Speed：20MHz
- Connectivity：Microwire/Plus (SPI), UART/USART
- Peripherals：Brown-out Detect/Reset, POR, PWM, WDT
- Number of I/O：37
- Program Memory Size：32KB (32K x 8)
- Program Memory Type：FLASH
- EEPROM Size：-
- RAM Size：1K x 8
- Voltage - Supply (Vcc/Vdd)：2.7V ~ 5.5V
- Data Converters：-
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：44-PLCC (16.58x16.58)
- Package / Case：44-LCC (J-Lead)
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Overview
The COP8SBR9HVA8/NOPB is an 8-bit CMOS Flash microcontroller from the COP800 family, manufactured by National Semiconductor (Texas Instruments). It features 32k bytes of program memory, 1 k byte of RAM, and virtual EEPROM capabilities. The device operates with a maximum clock frequency of 10 MHz and includes a 10-bit analog-to-digital converter. It supports a supply voltage range of 2.7V to 2.9V with brownout detection. The component is housed in a 44-pin PLCC package and functions within a temperature range of -40°C to 85°C.
Feature Summary
- Integrated 32k Flash memory with virtual EEPROM for non-volatile data storage
- Built-in 10-bit analog-to-digital conversion capability
- Hardware support for SPI and USART communication interfaces
- Dedicated PWM channels for motor control or signal generation
Applications
- Industrial control systems requiring robust 8-bit processing
- Consumer electronics utilizing serial communication protocols
- Motor control applications leveraging hardware PWM features
- Embedded systems needing integrated analog sensing
Procurement Notes
Verify the specific suffix HVA8 against the official datasheet to confirm voltage and temperature ratings. Confirm the manufacturer origin as National Semiconductor or Texas Instruments depending on the production era. Check for End-of-Life status as this series may be discontinued. Ensure the 44-PLCC package matches the target PCB footprint requirements before procurement.
Selection Notes
Select this component when an 8-bit architecture with integrated Flash and EEPROM is required. Consider the 10 MHz speed limit and 2.7V-2.9V operating range for compatibility. Evaluate the 44-pin PLCC package constraints for board layout. Compare against newer COP8 variants if pin compatibility or updated voltage ranges are necessary for the design.
Part Context
This part belongs to the COP800 family of 8-bit microcontrollers, known for their high performance and low power consumption. The COP8SBR9 variant specifically targets applications needing significant onboard memory and analog capabilities. National Semiconductor's acquisition by Texas Instruments has led to dual branding in documentation and ordering systems.
Replacement Considerations
Consult the official Texas Instruments COP8 family cross-reference guide for verified substitutes. Direct replacements must maintain the 44-pin PLCC package and compatible instruction set. Verify that alternative parts support the same 2.7V-2.9V voltage window and Brownout detector functionality.
