AT75C221 Description
The AT75C221, Atmel’s latest device in the family of smart internet appliance processors (SIAP™), is a high-performance processor designed for professional internet appliance applications such as the Ethernet IP phone. The AT75C221 is built around an ARM7TDMI microcontroller core running at 40 MHz with an OakDSPCore coprocessor running at 60 MHz and a dual Ethernet 10/100 Mbits/sec MAC interface. In a typical...
AT75C221 Key Features
- ARM7TDMI® ARM® Thumb® Processor Core
- In-Circuit Emulator, 40 MHz operation
- 16-bit Fixed-point OakDSPCore®
- Up to 60 MHz operations
- 104K bytes of Integrated Fast RAM, Codec Interface 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
AT75C221 Applications
- A set of drivers for a Linux® kernel capable of driving the embedded peripherals. A prehensive set of tunable DSP algorithms for voice processing, tailored to b