參數(shù)資料
型號(hào)： CS22220
廠商： CIRRUS LOGIC INC
元件分類： 微控制器/微處理器
英文描述： WIRELESS PCI/USB CONTROLLER
中文描述： 1 CHANNEL(S), 11M bps, SERIAL COMM CONTROLLER, PBGA208
封裝： 15 X 15 MM, FBGA-208
文件頁(yè)數(shù)： 1/34頁(yè)
文件大?。?/td> 282K
代理商： CS22220
CS22220 Wireless PCMCIA Controller
1 of 34
DS557PP2
Rev. 3.0
www.cirrus.com
1
Description
The Cirrus Logic CS22220 Wireless Network Controller enables high performance, 11 Megabits per
second digital wireless data connectivity for PCMCIA, mobile, embedded systems and other cost
sensitive applications
.
The CS22220 is a highly integrated single-chip PCMCIA solution for wireless networks supporting
video, audio, voice, and data traffic. The programmable controller executes Cirrus Logic’s
Whitecap2 networking protocol that provides Wi-Fi (802.11b) compliance as well as multimedia
and quality of service (QoS) support. The device includes several high performance components
including an ARM7TDMI RISC processor core, a Forward Error Correction (FEC) codec and a
wireless radio MAC supporting up to11 Mbps throughput. The CS22220 utilizes state of the art
0.18um CMOS process and is housed in a 208 FPBGA compact (15mm x 15mm) package, which
has low-lead inductance suitable for highly integrated radio applications. The core is powered at 1.8
V with 3.3V (5.0V tolerant) I/O to reduce overall power consumption. In addition, the CS22220
supports low power management for the host and radio interfaces.
The CS22220 is designed to be an integral part of a PC card (PCMCIA 2.1/JEIDA 4.2). The
PCMCIA host interface also supports both little endian and big endian protocol for easy interfacing
to popular microprocessors in embedded system applications.
Figure 1. Example System Block Diagram
11 Mbps
Wireless
Baseband I/F
CS22220
Wireless
PCMCIA
Controller
802.11b compatible
2.4 GHz
Digital Radio
PHY Transceiver
2.4 GHz Direct Sequence
Spread Spectrum
System Memory
SDRAM (Up to 4MB)
SRAM (Up to 256KB)
PCMCIA Host or Embedded CPU
Networking Data
Boot ROM/Flash
(Up to 1MB)
CS22220 Data Sheet
Wireless PCMCIA Controller
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