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PDF AT76C901 Data sheet ( Hoja de datos )
| Número de pieza | AT76C901 | |
| Descripción | Wireless VoIP Phone-Based on the 802.11 Standard Processor | |
| Fabricantes | ATMEL Corporation | |
| Logotipo |  |
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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
Figure 1. Typical Application Using The AT76C901
Wireless VoIP
Phone-based
on the 802.11
Standard
Processor
AT76C901
Summary
Flash
SRAM
AT76C901
External
Bus
Interface
ARM7TDMI
Protocol Handing
Control
Keyboard
Buzzer
LED
LCD
Peripherals
TWI Bus
- Battery Management
m- Voltage Regulation
o- LCD Bias
www.datasheet4u.c- Other Phone ASICs
ARM7TDMI
802.11 MAC
802.11
Interface
DSP
Subsystem
Radio
Circuitry
Audio Codec
Speaker
Microphone
Audio to Headset
Serial Port
Accessory Controls
Battery Charge Voltage
1652AS–VoIP–06/04
Note: This is a summary datasheet. A complete document is available
under NDA. For more information, please contact your local Atmel Sales
Office.
1 page | ||
| Páginas | Total 4 Páginas | |
| PDF Descargar | [ Datasheet AT76C901.PDF ] | |
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| Número de pieza | Descripción | Fabricantes |
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