Professional IC Distribution & Technical Solutions

The UPD71051-10 is a microcontroller manufactured by NEC (now part of Renesas Electronics). Below are its specifications, descriptions, and features:

Manufacturer:

• NEC (Now Renesas Electronics)

Specifications:

• Architecture: 8-bit microcontroller
• Core: μPD7805 series (compatible with Intel 8051)
• Clock Speed: 10 MHz (indicated by the "-10" suffix)
• Program Memory (ROM): Varies by model (mask ROM or EPROM versions available)
• RAM: On-chip RAM (size depends on variant)
• I/O Ports: Multiple programmable I/O lines
• Timers/Counters: Built-in timers (typically 2 or more)
• Serial Communication: UART (serial interface)
• Interrupts: Multiple interrupt sources
• Operating Voltage: Typically 5V
• Package: DIP, PLCC, or other standard packages

Descriptions:

• The UPD71051-10 is part of NEC’s μPD7805 series, which is an enhanced 8051-compatible microcontroller.
• It is optimized for embedded control applications, offering high performance with low power consumption.
• Suitable for industrial, automotive, and consumer electronics applications.

Features:

• High-Speed Operation: 10 MHz clock speed for efficient processing.
• 8051 Instruction Set Compatibility: Ensures easy migration from standard 8051 designs.
• On-Chip Peripherals: Includes timers, serial port, and interrupt controller.
• Low Power Consumption: Designed for power-sensitive applications.
• Flexible Memory Options: Available in ROM, EPROM, or OTP versions.
• Robust I/O Capabilities: Supports multiple input/output configurations.

This microcontroller was widely used in embedded systems during its production era. For exact details, refer to the official NEC (now Renesas) datasheet.