AT76C507 datasheet pdf

2384AS–WLAN–01/04 Features •USB Open Host Controller 1.1 Compliant •Integrates the IEEE 802.11 Physical Layer (Baseband) and the Medium Access Controller (MAC) for Supporting Standard Rates up to 11 Mbps •Supports Antenna Diversity Algorithm, Automatic Receive Gain Control, Transmit Gain Control, Transmit Filter for Japanese Regulatory and Differential or Single-ended I- and Q-Baseband Signals •Integrates 160 KBytes of SRAM Organized in Five Banks of 32 KBytes Each, Offering the Flexibility for Individually Configuring Each of Them as Program or Data Memory •Zero Wait States for Program Execution •Fast Data Transfers through DMA Channels •Low-power ARM7TDMI ® RISC Processor •Integrates a Bootstrap ROM Supporting Firmware Uploading from a Serial DataFlash ® •Glueless Parallel Flash Memory Interface, Supporting up to 128 KBytes of Nonvolatile Memory •Glueless External SRAM Interface for all MAC Operations, Supporting up to 128 KBytes of External Memory •Wired Equivalency Privacy (WEP) in Hardware Supporting 64-bit and 128-bit Keys •Hardware Implementation of TKIP •Hardware Implementation of AES Encryption Supporting Various Modes (CCM/CTR/CBC) •The WLAN Functions Can Be Easily Changed or Updated to New Requirements Since They are Implemented in Microcode •Supports 11 Mbps Rates with Automatic Fallback to 5.5, 2, and 1 Mbps •SPI Interface and 9 GPIO Pins •144-ball LFBGA Package •Low-voltage 1.8V Operation Block Diagram Timers External Memory Boot ROM Interface Internal Memory (SRAM) Common Memory Interface Controller ARM7TDMI Decoder/ Arbiter/ Bridge Interrupt Controller SPI Interface 802.11b Baseband MAC Support Unit (MSU) USB Master Interface Encryption/ Decryption Block 802.11b Media Access Controller (MAC) and Baseband with USB Master Capabilities AT76C507 Summary Note: This is a summary document. A complete document is available under NDA. For more information, please con- tact your local Atmel sales office.

Features

• •USB Open Host Controller 1.1 Compliant
• •Integrates the IEEE 802.11 Physical Layer (Baseband) and the Medium Access
• •Supports Antenna Diversity Algorithm, Automatic Receive Gain Control, Transmit Gain
• •Integrates 160 KBytes of SRAM Organized in Five Banks of 32 KBytes Each, Offering
• •Zero Wait States for Program Execution
• •Fast Data Transfers through DMA Channels
• •Low-power ARM7TDMI
• •Integrates a Bootstrap ROM Supporting Firmware Uploading from a Serial DataFlash
• •Glueless Parallel Flash Memory Interface, Supporting up to 128 KBytes of Nonvolatile
• •Glueless External SRAM Interface for all MAC Operations, Supporting up to
• •Wired Equivalency Privacy (WEP) in Hardware Supporting 64-bit and 128-bit Keys
• •Hardware Implementation of TKIP
• •Hardware Implementation of AES Encryption Supporting Various Modes
• •The WLAN Functions Can Be Easily Changed or Updated to New Requirements Since
• •Supports 11 Mbps Rates with Automatic Fallback to 5.5, 2, and 1 Mbps
• •SPI Interface and 9 GPIO Pins
• •144-ball LFBGA Package
• •Low-voltage 1.8V Operation
• 802.11b
• 802.11b Media