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STC89LE54RD+ Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
STC89LE54RD+STC1190Yes

STC89LE54RD+** is a microcontroller manufactured by **STC Microcontroller**.

The STC89LE54RD+ is a microcontroller manufactured by STC Microcontroller.

Key Specifications:

  • Core: 8051-compatible
  • Operating Voltage: 3.3V – 5.5V (Low-voltage operation)
  • Flash Memory: 54KB (for program storage)
  • RAM: 1KB (internal data memory)
  • EEPROM: 2KB (for data storage)
  • Clock Speed: Up to 80MHz (adjustable via internal oscillator)
  • I/O Pins: 36 (configurable as GPIO, UART, SPI, etc.)
  • Timers/Counters: 3 (Timer 0, Timer 1, Timer 2)
  • UART: 1 (serial communication)
  • Interrupt Sources: 8 (external and timer-based)
  • Watchdog Timer: Yes (for system reset on failure)
  • Power Modes: Idle and Power-down (low-power modes)
  • Package: LQFP-44

Descriptions & Features:

  • 8051-Compatible Architecture: Ensures compatibility with legacy 8051 code.
  • In-System Programming (ISP): Allows firmware updates via serial interface.
  • Low Power Consumption: Optimized for battery-powered applications.
  • High Noise Immunity: Robust design for industrial environments.
  • Wide Operating Voltage: Supports 3.3V and 5V systems.
  • Multiple Communication Interfaces: Includes UART, SPI, and GPIO for peripheral interfacing.
  • Industrial-Grade Reliability: Suitable for harsh environments.

This microcontroller is commonly used in embedded systems, industrial control, automation, and consumer electronics.

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