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89C5131 Description

AT89C5131 is a high-performance Flash version of the 80C51 single-chip 8-bit microcontrollers with full speed USB functions.

89C5131 Key Features

  • 80C52X2 Core (6 Clocks per Instruction)
  • Maximum Core Frequency 48 MHz in X1 Mode, 24MHz in X2 Mode
  • Dual Data Pointer
  • Full-duplex Enhanced UART (EUART)
  • Three 16-bit Timer/Counters: T0, T1 and T2
  • 256 Bytes of Scratchpad RAM
  • 32-Kbyte On-chip Flash In-System Programming through USB or UART
  • 4-Kbyte EEPROM for Boot (3-Kbyte) and Data (1-Kbyte)
  • On-chip Expanded RAM (ERAM): 1024 Bytes
  • USB 1.1 and 2.0 Full Speed pliant Module with Interrupt on Transfer pletion