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AT89C51RB2 Datasheet (PDF) - ATMEL Corporation

AT89C51RB2 Datasheet PDF - ATMEL Corporation
Part # AT89C51RB2
Download  AT89C51RB2 Download

File Size   1528.68 Kbytes
Page   125 Pages
Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation
Description 8-bit Microcontroller with 16K/ 32K Bytes Flash

AT89C51RB2 Datasheet (PDF)

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AT89C51RB2 Datasheet PDF - ATMEL Corporation

Part # AT89C51RB2
Download  AT89C51RB2 Click to download

File Size   1528.68 Kbytes
Page   125 Pages
Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation
Description 8-bit Microcontroller with 16K/ 32K Bytes Flash

AT89C51RB2 Datasheet (HTML) - ATMEL Corporation

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AT89C51RB2 Product details

Description
The AT89C51RB2/RC2 is a high-performance Flash version of the 80C51 8-bit microcontrollers. It contains a 16K or 32K Bytes Flash memory block for program and data. The Flash memory can be programmed either in parallel mode or in serial mode with the ISP capability or with software. The programming voltage is internally generated from the standard VCC pin.

Features
• 80C52 Compatible
   – 8051 Pin and Instruction Compatible
   – Four 8-bit I/O Ports
   – Three 16-bit Timer/Counters
   – 256 Bytes Scratch Pad RAM
   – 9 Interrupt Sources with 4 Priority Levels
   – Dual Data Pointer
• Variable Length MOVX for Slow RAM/Peripherals
• ISP (In-system Programming) Using Standard VCC Power Supply
• Boot ROM Contains Low Level Flash Programming Routines and a Default Serial Loader
• High-speed Architecture
   – In Standard Mode:
      40 MHz (Vcc 2.7V to 5.5V, both Internal and external code execution)
      60 MHz (Vcc 4.5V to 5.5V and Internal Code execution only)
   – In X2 mode (6 Clocks/machine cycle)
      20 MHz (Vcc 2.7V to 5.5V, both Internal and external code execution)
      30 MHz (Vcc 4.5V to 5.5V and Internal Code execution only)
   – 16K/32K Bytes On-chip Flash Program/Data Memory
   – Byte and Page (128 Bytes) Erase and Write
   – 100K Write Cycles
• On-chip 1024 Bytes Expanded RAM (XRAM)
   – Software Selectable Size (0, 256, 512, 768, 1024 Bytes)
   – 256 Bytes Selected at Reset for TS87C51RB2/RC2 Compatibility
• Keyboard Interrupt Interface on Port P1
• SPI Interface (Master/Slave Mode)
• 8-bit Clock Prescaler
• Improved X2 Mode with Independent Selection for CPU and Each Peripheral
• Programmable Counter Array 5 Channels
   – High-speed Output
   – Compare/Capture
   – Pulse Width Modulator
   – Watchdog Timer Capabilities
• Asynchronous Port Reset
• Full Duplex Enhanced UART
• Dedicated Baud Rate Generator for UART
• Low EMI (Inhibit ALE)
• Hardware Watchdog Timer (One-time Enabled with Reset-out)
• Power Control Modes
   – Idle Mode
   – Power-down Mode
   – Power-off Flag
• Power Supply:
   – 2.7 to 3.6 (3V Version)
   – 2.7 to 5.5V (5V Version)
• Temperature Ranges: Commercial (0 to +70°C) and Industrial (-40°C to +85°C)
• Packages: PDIL40, PLCC44, VQFP44




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About ATMEL Corporation


Atmel Corporation was an American semiconductor company that was founded in 1984.
The company was a leading provider of microcontrollers, touch solutions, and other semiconductor products for various applications in the consumer, industrial, and automotive markets.
Atmel's products were known for their small form factor, low power consumption, and high performance.
In 2016, Atmel was acquired by Microchip Technology Inc., a leading provider of microcontroller and analog semiconductors.
The Atmel brand and technology continue to be developed and sold as part of Microchip's portfolio of products.

*This information is for general informational purposes only, we will not be liable for any loss or damage caused by the above information.




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