AT76C901

Features ARM7TDMI® Core for Implementing Call Control Protocols (SIP, H.323, MGCP/MEGACO) TCP/IP and Controlling the Phone Functions Internal 8-Kbyte Program and Data Cache Used for Fast Execution of the Communications Protocols and RTOS with Reduced Power Consumption 16-bit DSP for Implementing the G.723.1, G.729ab, and G.711 Standards, in Addition to Acoustic Echo Cancellation Integrated Audio Codec with Both Main and Auxiliary Paths Wireless Interface Following the IEEE 802.11b Standard Wireless LAN MAC Unit with ARM7TDMI RISC Processor Glueless External Memory Interface Supporting Up to 16 Mbytes of External SRAM/Flash and 32 Mbytes of SDRAM Glueless Interface to 11 Mbps External 802.11-based Baseband Processor Enciphering/Deciphering of Wireless Data On-the-fly, by the Implementation of the RC4 Code Ensures Maximum Privacy of Data Supports 11 Mbps Rates with Automatic Fallback to 5.5, 2, and 1 Mbps USB Slave Interface (Control, Interrupt, Bulk-in, and Bulk-out Endpoints) Analog-to-Digital Converter with Up to 400K Samples/Sec on Two Input Channels One USART and One UART Serial Peripheral Interface (SPI) 64-key Keyboard Interface 4 x 4 LED Matrix Controller Minimum of 13 GPIO Pins (More are Available Based on Configuration) 217-pin PBGA Package Low-voltage 3.3 V Operation Wireless VoIP Phone-based on the 802.11 Standard Processor AT76C901 Summary Figure 1. Typical Application Using The AT76C901 Flash SRAM AT76C901 ARM7TDMI Pro...