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M5221L Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
M5221LMIT301Yes

M5221L** is a microcontroller manufactured by **MIT (Microchip Technology Inc.

The M5221L is a microcontroller manufactured by MIT (Microchip Technology Inc.). Below are its key specifications, descriptions, and features:

Specifications:

  • Manufacturer: Microchip Technology Inc. (MIT)
  • Core: 8-bit microcontroller
  • Architecture: Based on the MCS-51 instruction set
  • Clock Speed: Up to 12 MHz
  • Program Memory (ROM): 8 KB (mask ROM)
  • RAM: 256 bytes
  • I/O Pins: 32 (4 ports of 8 bits each)
  • Timers/Counters: 3 (16-bit)
  • Serial Communication: UART (Full-duplex)
  • Interrupt Sources: 6 (2 external, 3 timer-based, 1 serial)
  • Operating Voltage: 4.0V – 5.5V
  • Package: 40-pin DIP (Dual In-line Package)

Descriptions:

The M5221L is an industrial-grade 8-bit microcontroller designed for embedded control applications. It is compatible with the Intel 8051 architecture, offering a cost-effective solution for automation, consumer electronics, and industrial systems.

Features:

  • 8051-Compatible Core – Ensures easy migration from legacy 8051 designs.
  • On-Chip Oscillator – Supports crystal or external clock input.
  • Power Saving Modes – Includes Idle and Power-Down modes for reduced power consumption.
  • Boolean Processor – Supports bit-level operations for efficient control logic.
  • Expandable Memory – External memory interface for additional ROM/RAM.
  • High Noise Immunity – Suitable for industrial environments.

This microcontroller is commonly used in applications such as:

  • Industrial control systems
  • Automotive electronics
  • Home appliances
  • Embedded sensor interfaces

For detailed electrical characteristics and timing diagrams, refer to the official Microchip datasheet.

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