Atmel AT91C140

The Atmel AT91C140 is an ARM7TDMI® ARM® Thumb® Processor Core with - 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 32-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) - 48 General-purpose I/O Pins.