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AT80C31X2 - 8-bit CMOS Microcontroller

General Description

TS80C31X2 is high performance CMOS and ROMless versions of the 80C51 CMOS single chip 8-bit microcontroller.

Key Features

  • www. DataSheet4U. com 80C31 Compatible 8031 pin and instruction compatible Four 8-bit I/O ports Two 16-bit timer/counters 128 bytes scratchpad RAM High-Speed Architecture 40 MHz @ 5V, 30MHz @ 3V X2 Speed Improvement capability (6 clocks/machine cycle).

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The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Features • • • • • • • • • • • • • • • • • • • • • • • • • www.DataSheet4U.com 80C31 Compatible 8031 pin and instruction compatible Four 8-bit I/O ports Two 16-bit timer/counters 128 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 Asynchronous port reset Interrupt Structure with 5 Interrupt sources, 4 priority level interrupt system Full duplex Enhanced UART Framing error detection Automatic address recognition Power Control modes Idle mode Power-down mode Power-off Flag Once mode (On-chip Emulation) Power supply: 4.5-5.5V, 2.7-5.