89C5131 - ATMEL Corporation

89C5131 AT89C5131

AT89C5131 is a high-performance Flash version of the 80C51 single-chip 8-bit microcontrollers with full speed USB functions. AT89C5131 features a full-speed USB module compatible with the USB specifications Version 1.1 and 2.0. This module integrates the USB transceivers with a 3.3V voltage regulator and the Serial Interface Engine (SIE) with Digital Phase .

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 Compliant Module with Interrupt on Transfer Completion
  – Endpoint 0 for Control Transfers: 32-byte FIFO
  – 6 Programmable Endpoints with In or Out Directions and with Bulk, I.