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P89C58UBBB from PHILIPS

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P89C58UBBB

Manufacturer: PHILIPS, PHI

80C51 8-bit microcontroller family 4K/8K/16K/32K Flash

Partnumber Manufacturer Quantity Availability
P89C58UBBB PHILIPS, PHI 10817 In Stock

Description and Introduction

80C51 8-bit microcontroller family 4K/8K/16K/32K Flash The **P89C58UBBB** from PHILIPS (now NXP Semiconductors) is a high-performance 8-bit microcontroller based on the 80C51 core architecture. Designed for embedded applications requiring robust processing capabilities, this component features an enhanced instruction set, improved power efficiency, and expanded memory options.  

With **32 KB of Flash memory**, the P89C58UBBB supports in-system programming (ISP), allowing for flexible firmware updates without removing the chip from the circuit. It includes **512 bytes of RAM** and **8 KB of additional EEPROM**, providing ample storage for data and program code. The microcontroller operates at a clock speed of up to **33 MHz**, ensuring efficient execution of real-time tasks.  

Key features include multiple **I/O ports**, **UART communication**, **timers/counters**, and an integrated watchdog timer for system reliability. Its low-power modes make it suitable for battery-operated devices, while its industrial-grade durability ensures stable performance in demanding environments.  

The P89C58UBBB is widely used in automation, consumer electronics, and industrial control systems, offering a balance of speed, power efficiency, and versatility. Its compatibility with the 80C51 ecosystem simplifies development, making it a preferred choice for engineers upgrading legacy systems or designing new embedded solutions.  

This microcontroller remains a reliable option for applications requiring a proven architecture with modern enhancements.

Application Scenarios & Design Considerations

80C51 8-bit microcontroller family 4K/8K/16K/32K Flash

Alternative Part Number

  • AT89C51-24PC --: Pin-compatible 8051-family microcontroller in a 40-pin DIP package with similar flash-based architecture, widely available and a common drop-in replacement for legacy Philips 89C series parts.
  • W78E058B40PL --: 8051-compatible microcontroller with 32KB flash in a 40-pin PLCC/DIP package, offering similar memory and peripheral set as the P89C58, suitable for legacy 8051 designs.
  • STC89C58RD+40I-PDIP --: 8051-core microcontroller with 32KB flash and 40-pin DIP footprint, functionally similar to the P89C58 and commonly used as a replacement in older Philips 8051 designs.
  • AT89C51-24PC --: Pin-compatible 8051-family microcontroller from Atmel/Microchip with similar architecture and 5V operation, widely available as a drop-in replacement for legacy 8051 designs.
  • W78E058B40PL --: 8051-compatible MCU with 32KB flash and similar peripheral set, offered as a direct functional substitute for Philips 89C58 devices.
  • STC89C58RD+ --: 8051-core microcontroller with 32KB flash and compatible pinout, commonly used to replace P89C58 series parts in existing boards.

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