Digi International NS7520

The Digi International NS7520 is an ARM7TDMI based High-performance 32-bit RISC Microprocessor with Thumb extensions, maximum clock speed 55 MHz, External Bus Interface, High Performance 10/100 Ethernet MAC, 2 * UART/SPI/HDLC, 13-channel DMA, Power Management, 2 * Timer/Counter, Watchdog Timer, 16 GPIO pins.