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Please refer to product datasheet
Brand: Atmel
Product Code: AT89S8253
Availability: In Stock
Price: Rs. 650.00 Rs. 630.00
Delivered in 2-5 working days

The AT89S8253(Data Sheet) is a low-power, high-performance CMOS 8-bit microcontroller with 12K bytes of In-System Programmable (ISP) Flash program memory and 2K bytes of EEPROM data memory. The device is manufactured using Atmel’s high-density non- volatile memory technology and is compatible with the industry-standard MCS-51 instruction set and pinout. The on-chip downloadable Flash allows the program memory to be reprogrammed in-system through an SPI serial interface or by a conventional nonvolatile memory programmer. By combining a versatile 8-bit CPU with downloadable Flash on a monolithic chip, the Atmel AT89S8253 is a powerful microcontroller which provides a highly-flexible and cost-effective solution to many embedded control applications.


  •  64-byte User Signature Array
  •  2.7V to 5.5V Operating Range
  •  Fully Static Operation: 0 Hz to 24 MHz (in x1 and x2 Modes)
  •  Three-level Program Memory Lock
  •  256 x 8-bit Internal RAM
  •  32 Programmable I/O Lines
  •  Three 16-bit Timer/Counters
  •  Nine Interrupt Sources
  •  Enhanced UART Serial Port with Framing Error Detection and Automatic
  • ddress Recognition
  •  Enhanced SPI (Double Write/Read Buffered) Serial Interface
  •  Low-power Idle and Power-down Modes
  •  Interrupt Recovery from Power-down Mode
  •  Programmable Watchdog Timer
  •  Dual Data Pointer
Architecture 8051
Max Clock 24MHz
Flash 21K
RAM 256 bytes
Timers Three 16 bit
Communication UART
I/O 32
Voltage 2.7V-5.5V

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