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Numéro de référence | AT76C901 | ||
Description | Wireless VoIP Phone-Based on the 802.11 Standard Processor | ||
Fabricant | ATMEL Corporation | ||
Logo | |||
1 Page
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.
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Pages | Pages 4 | ||
Télécharger | [ AT76C901 ] |
No | Description détaillée | Fabricant |
AT76C901 | Wireless VoIP Phone-Based on the 802.11 Standard Processor | ATMEL Corporation |
AT76C902 | Wireless VoIP Processor Implementing | ATMEL Corporation |
US18650VTC5A | Lithium-Ion Battery | Sony |
TSPC106 | PCI Bus Bridge Memory Controller | ATMEL |
TP9380 | NPN SILICON RF POWER TRANSISTOR | Advanced Semiconductor |
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