TS83C51RD2-VCLD Datasheet

High Performance 8-bit Microcontrollers


Atmel Wireless & Microcontrollers TS80C51Rx2 is high performance CMOS ROM, OTP, EPROM and ROMless versions of the 80C51 CMOS single chip 8-bit microcontroller.
The TS80C51Rx2 retains all features of the 80C51 with extended ROM/EPROM capacity (16/32/64 Kbytes), 256 bytes of internal RAM, a 7-source , 4-level interrupt system, an on-chip oscilator and three timer/counters.
In addition, the TS80C51Rx2 has a Programmable Counter Array, an XRAM of 256 or 768 bytes, a Hardware Watchdog Timer, a more versatile serial channel that facilitates multiprocessor communication (EUART) and a X2 speed improvement mechanism.

• 80C52 Compatible
• 8051 pin and instruction compatible
• Four 8-bit I/O ports
• Three 16-bit timer/counters
• 256 bytes scratchpad RAM
• High-Speed Architecture
• 40 MHz @ 5V, 30MHz @ 3V
• X2 Speed Improvement capability (6 clocks/machine cycle)
   30 MHz @ 5V, 20 MHz @ 3V (Equivalent to 60 MHz @ 5V, 40 MHz @ 3V)
• Dual Data Pointer
• On-chip ROM/EPROM (16K-bytes, 32K-bytes, 64K bytes)
• On-chip eXpanded RAM (XRAM) (256 or 768 bytes)
• Programmable Clock Out and Up/Down Timer/Counter 2
• Programmable Counter Array with
• High Speed Output,
• Compare / Capture,
• Pulse Width Modulator,
• Watchdog Timer Capabilities
• Hardware Watchdog Timer (One-time enabled with Reset-Out)
• 2 extra 8-bit I/O ports available on RD2 with high pin count packages
• Asynchronous port reset
• Interrupt Structure with
   • 7 Interrupt sources,
   • 4 level priority interrupt system
• Full duplex Enhanced UART
   • Framing error detection
   • Automatic address recognition
• Low EMI (inhibit ALE)
• Power Control modes
   • Idle mode
   • Power-down mode
   • Power-off Flag
• Once mode (On-chip Emulation)
• Power supply: 4.5-5V, 2.7-5.5V
• Temperature ranges: Commercial (0 to 70oC) and Industrial (-40 to 85°C)
• Packages: PDIL40, PLCC44, VQFP44 1.4, CQPJ44 (window), CDIL40 (window), PLCC68, VQFP64 1.4, JLCC68 (window)




Manufacturer information


Atmel (Microchip Technology) - Atmel was acquired by Microchip in April 2016. Atmel Corporation is an industry leader in the design and manufacture of advanced semiconductors, with focus on microcontrollers, nonvolatile memory, logic, radio frequency (RF) components and sensors. These functions are marketed as standard products, application-specific standard products (ASSPs) or customer-specific products (ASICs) in order to provide a rapid and flexible response to the needs of Atmel’s customers.

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