PMB8789 [INFINEON]
Dual-Band Media Access Controller (MAC) for WLAN System Solutions; 双频媒体访问控制器（ MAC ），用于WLAN系统解决方案
| 型号： | PMB8789 |
| 厂家： | 
Infineon |
| 描述： | Dual-Band Media Access Controller (MAC) for WLAN System Solutions |
| 文件： | 总2页 (文件大小：153K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
P R O D U C T B R I E F
Dual-Band Media Access Controller
(MAC) for WLAN System Solutions
The PMB 8789 WLAN media access controller is
one chip of the wireless system solution from
Infineon Technologies that addresses the need of
the emerging market for wireless LAN and wireless
home-networking products. Using a plurality of
host interfaces, the PMB 8789 supports the MAC
and data buffer management functions and is fully
compliant with the IEEE802.11a/b and 11g WLAN
standards.
The PMB 8789 is designed to form an Infineon
WLAN chipset in combination with the PMB 8680
dual-band RF Transceiver, the PMB 8825 dual-band
Power Amplifier and the PMB 8787 dual-band
Modem IC (PHY).
WirelessLAN
Features
■ Host interface support of the following:
■ Full implementation of the 802.11 WMAC protocol
including the following:
- PCI V2.3 bus mastering device featuring 32-bit
transfers at 33 MHz
- IEEE 802.11a and 11g standards, including all
optional data rates
- MiniPCI Specification 1.0
- CardBus 32-bit, 33 MHz transfers
- USB V1.1
- IEEE 802.11b standard data rates
- Supports up to 54 Mbit/s data rate
- PC card interface supports full 16-bit implementation
per PCMCIA release 7
■ Multiple queue management facilities to support QoS
provisions, including IEEE 802.11e QoS
■ Supports 802.11i security encryption algorithms
without impacting device throughput performance
and latency:
Applications
■ High data-rate wireless LAN
■ PC card wireless LAN adapters
■ (Mini) PCI wireless LAN cards
■ CardBus wireless LAN adapters
■ Compact flash wireless LAN cards
■ USB wireless LAN adapters
- Advanced Encryption Standard (AES)
- Up to 128-bit wired equivalent privacy (WEP)
- Temporal Key Integrity Protocol (TKIP) per Wi-Fi®
Protected Access (WPA) and draft 802.11i standard
■ Wireless LAN modules, access points, bridge
■ products, and point-to-multipoint systems
P M B 8 7 8 9
D u a l - B a n d M e d i a A c c e s s Co n t r o l l e r
N e v e r s t o p t h i n k i n g .
P R O D U C T B R I E F
Block Diagram
External Data
Storage
Flash/RAM
External Memory
Interface
PLL
CLK
RAM
24 K x 16
(Control)
Dedicated Instruction Set
Control
Computer
(DISC)
RAM
48 K x 16
(Data)
Timers
MMI
Arbiter
Ports
PCI
Busmaster/
CardBus
MDI
AES
DMA
Host
Interface
Block
WEP
PC Card
AES
WEP
Engine
Memory
USB
Protocol
Engine
USB DMA
USB
Memory
Features
■ Device is capable of low-power operation
■ On-chip 64k x 16 static RAM supports full 802.11 sta- ■ An optional 32.768 kHz crystal can be connected for
tion and client functionality without external memory
■ Flexible modem data interface
ultralow power-down mode
■ Operation at 3.0 V to 3.6 V single supply
■ Supports IEEE1149.1 boundary scan standard
■ Flexible modem management interface
■ Flexible external memory expansion:
- Programmable wait states for slow external memo
- Multiple memory organization up to 4 Mbytes
■ Supports BluetoothTM coexistence through
a two-wire interface
Ordering Information
Please contact the local Infineon sales office for
dedicated information on our Wireless LAN products
Type
Sales Code
Package
WLAN 802.11 MAC
PMB 8789
FSBGA-196
How to reach us:
Attention please!
Warnings
The information herein is given to describe certain components
and shall not be considered as warranted characteristics.
Due to technical requirements components may contain dan-
gerous substances. For information on the types in question
please contact your nearest Infineon Technologies Office.
http://www.infineon.com
Published by
Terms of delivery and rights to technical change reserved.
Infineon Technologies AG,
St.-Martin-Strasse 53,
81669 München
We hereby disclaim any and all warranties, including but not
limited to warranties of non-infringement, regarding circuits,
descriptions and charts stated herein.
Infineon Technologies Components may only be used in life-
support devices or systems with the express written approval
of Infineon Technologies, if a failure of such components can
reasonably be expected to cause the failure of that life-support
device or system, or to affect the safety or effectiveness of that
device or system. Life-support devices or systems are intend-
ed to be implanted in the human body, or to support and/or
maintain and sustain and/or protect human life. If they fail, it is
reasonable to assume that the health of the user or other
persons may be endangered.
© Infineon Technologies AG 2003. All Rights Reserved.
Infineon Technologies is an approved CECC manufacturer.
Information
For further information on technology, delivery terms
and conditions and prices please contact your nearest
Infineon Technologies Office in Germany or our
Infineon Technologies Representatives worldwide.
Printed in Germany
PS 03031.
NB
Published by Infineon Technologies AG
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