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88W8764 Datasheet, PDF (2/4 Pages) –
series
Marvell Avastar 88W8764 Integrated 4x4 MAC/Baseband/RF MIMO SoC
SPECIFICATIONS
APPLICATIONS
• Personal computer systems
• Wireless gateways, routers, and access points
• Wireless client cards and bridges
• Wireless home audio and video entertainment systems including TV,
set-top boxes, media servers, and gaming platforms
GENERAL FEATURES
• Single-chip integration of 802.11n/a/g/b wireless baseband, MAC,
radio, CPU, memory, and host interface
• 4x4 MIMO operation
• Low power dissipation
• 40 MHz crystal clock support
IEEE 802.11/STANDARDS
• 802.11 data rates of 1 and 2 Mbps
• 802.11b data rates of 5.5 and 11 Mbps
• 802.11a/g data rates 6, 9, 12, 18, 24, 36, 48, and 54 Mbps for
multimedia content transmission
• 802.11n compliant
• 802.11d operation in additional regulatory domains
• 802.11e QoS block acknowledgement (with support for 802.11n
extension)
• 802.11h transmit power control
• 802.11h DFS radar pulse detection
• 802.11i enhanced security
• 802.11k radio resource management
• 802.11r fast hand-off for AP roaming
• 802.11v TIM broadcast
• 802.11w protected management frames
• 802.11z tunneled direct link setup
• Fully supports clients (stations) implementing IEEE Power Save mode
PACKAGING
• 12 x 12 mm, 231-pin TFBGA
PROCESSOR
• CPU
- Integrated ARM9E-S™ CPU with integrated memories and cache
controller for Access Point applications
• DMA
- Independent 4-Channel Direct Memory Access (DMA)
MEMORY
• Internal Memory
- Internal SRAM for Tx frame queues and Rx data buffers
- Internal boot ROM
WLAN MAC
• Ad-Hoc and Infrastructure Modes
• RTS/CTS for operation under DCF
• Hardware filtering of 64 multicast addresses and duplicate frame
detection for up to 96 unicast addresses
• On-chip Tx and Rx FIFO for maximum throughput
• Open System and Shared Key Authentication services
• A-MPDU Rx (de-aggregation) and Tx (aggregation)
• 20/40 MHz channel coexistence
• Reduced Inter-Frame Spacing (RIFS) receive
• Management information base counters
• Radio resource measurement counters
• Block acknowledgement with 802.11 extension
• Dynamic frequency selection
• Beamforming
- 802.11n Explicit Beamformer, supports NDP and Stagger sounding
- 802.11n Explicit Beamformee, supports immediate feedback
generation using uncompress and compress steering matrix or
delayed feedback of all feedback types
• 802.11v TIM frame transmission
• Multiple-BSSID/Station operation
• Transmit rate adaptation
• Transmit power control
• Long and short preamble generation on a frame-by-frame basis for
802.11b frames
WLAN BASEBAND
• 802.11n 4x4 MIMO (on-chip Marvell MIMO RF radio)
• Backward compatibility with legacy 802.11a/g/b technology
• PHY data rates up to 450 Mbps
• 20 MHz bandwidth/channel, 40 MHz bandwidth/channel, upper/lower
20 MHz bandwidth and duplicate legacy packet in 40 MHz channel
mode operation
• Modulation and Coding Scheme (MCS)—0~23 and 32 (duplicate 6
Mbps)
• Enhanced radar detection for long and short pulse radar
• Enhanced AGC scheme for DFS channels
• Japan DFS requirements for W53 and W56
• Radio resource measurement
• Optional 802.11n MIMO features:
- 20/40 MHz coexistence
- 1-stream STBC transmission and reception
- Short guard interval
- RIFS on receive path
- Explicit beamformee and beamformer
- Greenfield Tx/Rx
• Enhanced receiver performance by channel smoothing
• Power save features