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AT91C140 - Microcontrollers

General Description

The AT91C140 is a member of the Atmel AT91 16- and 32-bit microcontroller family based on the ARM7TDMI processor core.

Key Features

  • ARM7TDMI® ARM® Thumb® Processor Core.
  • In-Circuit Emulator, 36 MHz Operation.
  • Ethernet Bridge.
  • Dual Ethernet 10/100 Mbps MAC Interface.
  • 16-Kbyte Frame Buffer.
  • 1 K-Byte Boot ROM, Embedding a Boot Program.
  • Enable.

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Full PDF Text Transcription (Reference)

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

View original datasheet text
Features • ARM7TDMI® ARM® Thumb® Processor Core – In-Circuit Emulator, 36 MHz Operation • Ethernet Bridge – Dual Ethernet 10/100 Mbps MAC Interface – 16-Kbyte Frame Buffer • 1 K-Byte Boot ROM, Embedding a Boot Program – Enable Application Download from DataFlash® • External Bus Interface – On-chip 16-bit SDRAM Controller – 4-Chip Select Static Memory Controller • Multi-level Priority, Individually Maskable, Vectored Interrupt Controller • Three 16-bit Timer/Counters • Two UARTs with Modem Control Lines • Serial Peripheral Interface (SPI) • Two PIO Controllers, Managing up to 48 General-purpose I/O Pins • Available in a 208-lead PQFP Package • Power Supplies – VDDIO 3.3V nominal – VDDCORE and VDDOSC 1.