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88W8764 Datasheet, PDF (2/4 Pages) – | |||
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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)â0~23 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
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