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1k32uww5g31if-eypl957l * Wintech Microelectronics Co. Ltd. - China
MARVELL CONFIDENTIAL, UNDER NDA# 12102018
1k32uww5g31if-eypl957l * Wintech Microelectronics Co. Ltd. - China
MARVELL CONFIDENTIAL, UNDER NDA# 12102018
1k32uww5g31if-eypl957l * Wintech Microelectronics Co. Ltd. - China * UNDER NDA# 12102018
MARVELL CONFIDENTIAL
88W8686
Integrated MAC/Baseband/RF Low Power SoC
IEEE 802.11a/g/b
Datasheet
Doc. No. MV-S103343-00, Rev. D
February 20, 2007
Document Classification: Proprietary
Cover
JDK Use Only
1k32uww5g31if-eypl957l * Wintech Microelectronics Co. Ltd. - China * UNDER NDA# 12102018
MARVELL CONFIDENTIAL
Document Conventions
Note
Provides related information or information of special importance.
Caution
Indicates potential damage to hardware or software, or loss of data.
Warning
Indicates a risk of personal injury.
Document Status
Doc Status: 2.00 Technical Publication: 0.xx
For more information, visit our website at: www.marvell.com
No part of this document may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, for any
purpose, without the express written permission of Marvell. Marvell retains the right to make changes to this document at any time, without notice. Marvell makes no
warranty of any kind, expressed or implied, with regard to any information contained in this document, including, but not limited to, the implied warranties of
merchantability or fitness for any particular purpose. Further, Marvell does not warrant the accuracy or completeness of the information, text, graphics, or other items
contained within this document.
Marvell products areot designed for use in life-support equipment or applications that would cause a life-threatening situation if any such products failed. Do not use
Marvell products in these types of equipment or applications.
With respect to the products described herein, the user or recipient, in the absence of appropriate U.S. government authorization, agrees:
1) Not to re-export or release any such information consisting of technology, software or source code controlled for national security reasons by the U.S. Export Control
Regulations ("EAR"), to a national of EAR Country Groups D:1 or E:2;
2) Not to export the direct product of such technology or such software, to EAR Country Groups D:1 or E:2, if such technology or software and direct products thereof
are controlled for national security reasons by the EAR; and,
3) In the case of technology controlled for national security reasons under the EAR where the direct product of the technology is a complete plant or component of a
plant, not to export to EAR Country Groups D:1 or E:2 the direct product of the plant or major component thereof, if such direct product is controlled for national security
reasons by the EAR, or is subject to controls under the U.S. Munitions List ("USML").
At all times hereunder, the recipient of any such information agrees that they shall be deemed to have manually signed this document in connection with their receipt of
any such information.
Copyright © 2007. Marvell International Ltd. All rights reserved. Marvell, the Marvell logo, Moving Forward Faster, Alaska, Fastwriter, Datacom Systems on Silicon,
Libertas, Link Street, NetGX, PHYAdvantage, Prestera, Raising The Technology Bar, The Technology Within, Virtual Cable Tester, and Yukon are registered trademarks
of Marvell. Ants, AnyVoltage, Discovery, DSP Switcher, Feroceon, GalNet, GalTis, Horizon, Marvell Makes It All Possible, RADLAN, UniMAC, and VCT are trademarks
of Marvell. All other trademarks are the property of their respective owners.
88W8686
Datasheet
Doc. No. MV-S103343-00 Rev. D
CONFIDENTIAL
Copyright © 2007 Marvell
Page 2 Document Classification: Proprietary February 20, 2007, 2.00
Copyright © 2007 Marvell
CONFIDENTIAL
Doc. No. MV-S103343-00 Rev. D
February 20, 2007, 2.00 Document Classification: Proprietary Page 3
88W8686
Datasheet
Features
The Marvell
®
88W8686 is a low-cost, low-power
highly-integrated IEEE 802.11a/g/b MAC/Baseband/
RF WLAN system-on-chip (SoC), designed to support
IEEE 802.11a or 802.11g payload data rates of 6, 9,
12, 18, 24, 36, 48, and 54 Mbps, as well as 802.11b
data rates of 1, 2, 5.5, and 11 Mbps.
The device provides the combined functions of the
IEEE Standard 802.11/802.11b Direct Sequence
Spread Spectrum (DSSS), 802.11a/g Orthogonal
Frequency Division Multiplexing (OFDM) baseband
modulation, Medium Access Controller (MAC), CPU,
memory, host interfaces, and direct conversion WLAN
RF radio on a single integrated chip.
The core functional units of the 88W8686 are
connected with a high throughput interconnect system,
as shown in Figure1.
The 88W8686 is equipped with a fully integrated RF to
baseband transceiver that operates in both the
2.4GHz ISM radio band for 802.11g/b WLAN
applications and 5GHz UNII radio band for 802.11a
WLAN applications. It contains all the circuitry to
support both transmit and receive operations.
The transceiver architecture includes a Marvell
second-generation radio, designed specifically for co-
existence with cellular phones. Cellular band transmit
spurious tone, noise, and receive jammer
considerations have been designed for into the device.
Due to very low spectral emissions in the cellular
phone receive band, the device does not interfere with
cellular phone reception and is immune to high power
cellular phone transmission signals.
For optimum performance, the gain adjustment of the
integrated LNA and AGC on the receive path is
seamlessly controlled by baseband functions. The
entire receive path has over 90dB of voltage gain and
gain control range.
Integrated transmitters up-convert the quadrature
baseband signal, and then deliver the RF signals to
external power amplifiers for 2.4GHz and 5GHz radio
band transmission.
Local oscillator frequencies are generated by a fully
integrated programmable frequency synthesizer
without any external components. The loop bandwidth
is optimized for phase noise and dynamic
performance and quadrature signals are generated
on-chip.
For security, the 88W8686 supports the IEEE 802.11i
security standard through implementation of the
Advanced Encryption Standard (AES)/Counter Mode
CBC-MAC Protocol (CCMP), and Wired Equivalent
Privacy (WEP) with Temporal Key Integrity Protocol
(TKIP) security mechanisms.
For video, voice, and multimedia applications, the
88W8686 supports 802.11e Quality of Service (QoS).
A Bluetooth coexistence interface is also supported.
The 88W8686 supports both a generic SPI (G-SPI)
and SDIO host interface and is available in QFN and
flip chip packages.
88W8686
Datasheet
Doc. No. MV-S103343-00 Rev. D
CONFIDENTIAL
Copyright © 2007 Marvell
Page 4 Document Classification: Proprietary February 20, 2007, 2.00
Figure 1: Top Block Diagram
R
EFERENCE
D
ESIGNS
Marvell reference designs are highly-integrated low cost, production quality designs that provide a quick time-to-
market solution for customers developing single chip IEEE 802.11a/g/b WLAN solutions.
The 88W8686 maintains software driver compatibility with current Marvell two-chip solutions (88W8385 and
88W8015). Customers already engaged in designing current Marvell solutions can leverage a fully validated tool
chain. For further information, contact Marvell representatives.
JTAG
Interface
CPU
Interface
Feroceon
CPU
Processor
C
P
U
B
U
S
JTAG
Timers
Interrupts
I
N
T
E
R
N
A
L
B
U
S
WLAN MAC/Baseband
802.11a/g/b
Baseband
(DSSS/CCK/
OFDM)
PLL
802.11a
5 GHz Tx
802.11g/b
2.4 GHz Tx
802.11a
5 GHz Rx
802.11g/b
2.4 GHz Rx
BBU DAC
BBU ADC
Direct Conversion RF
2.4 GHz
External PA
5 GHz
External PA
Rx
Rx
Tx
Tx
802.11
MAC
Bluetooth
Arbiter
Power
Mgmt
88W8686
Peripheral Bus
B
U
S
Antenna Select,
T/R Switch
Serial IFPower Enable Control
PDn
SLEEP_CLK
Bluetooth Coexistence Interface
Host Interface
G-SPI
SDIO
Host Interface
Unit
DMA
SDIO
G-SPI
SRAM
Osc
XTAL_IN/XO
XTAL_OUT
Encryption
Peripheral
Bus Unit
Clocked
Serial Unit
Serial EEPROM
2-Wire Serial Interface
1-Wire Serial Interface
3-Wire, 4-Wire Interface
GPIO/LED
UART
UART/GPIO
促使
88W8686
Datasheet
Copyright © 2007 Marvell
CONFIDENTIAL
Doc. No. MV-S103343-00 Rev. D
February 20, 2007, 2.00 Document Classification: Proprietary Page 5
APPLICATIONS
• Cellular handsets
• Consumer electronic devices that require low
power consumption
G
ENERAL
F
EATURES
• Ultra low-power dissipation
• Single-chip integration of 802.11a/g/b wireless RF
and baseband, MAC, CPU, memory, and host
interfaces
• Integrates all RF to baseband transmit and receive
operations, with support for external PAs
• Fully integrated frequency synthesizers with
optimized phase noise performance for OFDM
applications
• Integrated direct conversion WLAN RF radio
• Supports 19.2, 20, 24, 26, 38.4, and 40 MHz
oscillator clock sources
• Software backward compatible with 88W8385 and
88W8015 devices
PAYLOAD
DATA
RATES
• IEEE 802.11 data rates of 1 and 2 Mbps
• IEEE 802.11b data rates of 5.5 and 11 Mbps
• IEEE 802.11a/g data rates of 6, 9, 12, 18, 24, 36,
48, and 54 Mbps for multimedia content
transmission
P
ACKAGING
• 68-pin QFN package
• 280 μm pitch flip chip
• 500 μm pitch flip chip
1
PROCESSOR
CPU
• Integrated Marvell Feroceon® CPU(ARMv5TE-
compliant)
• Offloads wireless protocol stack processing from
host CPU
• 128MHz operating frequency
DMA
• Independent 2-channel Direct Memory Access
(DMA)
N
ETWORKING
F
UNCTIONS
WLAN MAC
• Supports Ad-Hoc and Infrastructure modes
• Supports Contention Free (CF)-Poll and CF-ACK
for operation under Point Coordination Function
(PCF)
• Supports Request-to-Send (RTS)/Clear-to-Send
(CTS) for operation under Distributed Coordination
Function (DCF)
• Hardware filtering of 64 multicast and 96 unicast
addresses and additional firmware options
• On-chip Tx and Rx FIFOs for maximum throughput
• Support for 802.11e QoS
• Support for 802.11h DFS statistics processing
• Supports Open System and Shared Key
Authentication services
• Supports long and short preamble generation on a
frame-by-frame basis
• Supports IEEE Power Save mode
WLAN BASEBAND
• DSSS and OFDM modulation
• Advanced Equalizer for Complementary Code
Keying (CCK) modes
• Differential Binary Phase Shift Keying (DBPSK),
Differential Quadrature Phase Shift Keying
(DQPSK), and CCK modulation modes
• 16-QAM and 64-QAM modulation
• On-chip A/D and D/A converters for Inphase/
Quadrature (I/Q) channels
• Targeted for multi-path delay spreads up to 680ns
in 11 Mbps mode and 150ns in 54 Mbps mode
• Supports 802.11h (DFS and TPC) statistics
gathering
• Supports 802.11j channels (Japan)
1. 500 μm flip chip option supports 802.11g/b only.
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