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AT89C51RD2-SLSUM The Microchip AT89C51RD2-SLSUM is an 8-bit microcontroller featuring 64KB of Flash memory and 2KB of RAM. It operates at speeds up to 60MHz and includes SPI and UART interfaces.
Mfr Part #:

AT89C51RD2-SLSUM

Available from 3 distributors
Mfr Name: Microchip Technology
Microchip Technology
The Microchip AT89C51RD2-SLSUM is an 8-bit microcontroller featuring 64KB of Flash memory and 2KB of RAM. It operates at speeds up to 60MHz and includes SPI and UART interfaces.
✓ Total Stock: 11,559 pcs

AT89C51RD2-SLSUM Available from 3 distributors

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✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Fe Components ✓
Non-Authorised Inventory information
4,350 pcs
On Request
4350 pcs On Request 1 On Request On Request On Request On Request On Request
Components Technology Group, Inc. ✓
Non-Authorised Inventory information
3,895 pcs
On Request
3895 pcs On Request 1 On Request On Request On Request On Request On Request
Xingangxin ✓
Non-Authorised Inventory information
3,314 pcs
On Request
3314 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

AT89C51RD2-SLSUM Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Access Time
Connectivity
Core Processor
Core Size
Lead Style
Mounting Type
Number of I
Operating Temperature
Operating Voltage
Oscillator Type
Peripherals
Program Memory Size
Program Memory Type
RAM Size
SVHC Present
Speed
Supplier Device Package
Voltage
Watchdog Timer
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AT89C51RD2-SLSUM Description

Short technical summary and product information.

The Microchip AT89C51RD2-SLSUM is a high-performance CMOS Flash microcontroller based on the 80C51 architecture. It offers 64KB of on-chip Flash memory for program and data storage, along with 2KB of expanded RAM (XRAM).

 

This device operates at frequencies up to 60MHz in standard mode (with Vcc 4.5V to 5.5V and internal code execution) and 40MHz (with Vcc 2.7V to 5.5V). It supports an improved X2 mode for enhanced speed. Key peripherals include SPI, a full-duplex enhanced UART with a dedicated baud rate generator, three 16-bit timer/counters, and a hardware watchdog timer.

 

The AT89C51RD2-SLSUM is designed for industrial applications, featuring an operating temperature range of -40°C to +85°C and a wide supply voltage range of 2.7V to 5.5V. It is available in a 44-pin PLCC package for surface mounting.

 

Additional features include In-System Programming (ISP) capability, integrated power monitoring (POR/PFD), and power control modes like Idle and Power-down.

AT89C51RD2-SLSUM Quick Information

Product Type: 8-Bit Microcontroller
Series: 89C
Canonical Name: AT89C51RD2-SLSUM 8-Bit Flash Microcontroller
Subcategory: 8-Bit Microcontroller

AT89C51RD2-SLSUM Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

AT89C51RD2-SLSUM Features

  • 8-bit 80C51 core microcontroller
  • 64KB Flash program memory
  • 2KB expanded RAM (XRAM)
  • Up to 60MHz operating frequency
  • SPI and UART/USART interfaces

AT89C51RD2-SLSUM Applications

  • Industrial control systems
  • Embedded system design
  • Data acquisition applications
  • Automotive electronics
  • Consumer electronics

AT89C51RD2-SLSUM FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the AT89C51RD2-SLSUM?

The operating voltage range is 2.7V to 5.5V.

What is the maximum operating frequency of this microcontroller?

The maximum frequency is 60 MHz in standard mode with a 4.5V to 5.5V supply.

What package type is the AT89C51RD2-SLSUM available in?

It is available in a 44-lead PLCC (J-Lead) surface-mount package.

What is the operating temperature range?

The operating temperature range is -40°C to +85°C.

How much Flash memory does this MCU have?

It has 64KB of on-chip Flash program memory.

What communication interfaces are supported?

It supports SPI and UART/USART interfaces.

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