AR2112 AR5212 AR5002G - Datasheet Archive

 

Provides a 2.4 GHz data-centric upgrade path from legacy 802.11b networks. AR2112 2.4 GHz Radio-on-a-Chip AR5212 Multiprotocol

 

8 0 2. 1 1 b/ g WLAN So lut ion Provides a 2.4 GHz data-centric upgrade path from legacy 802.11b networks. AR2112 AR2112 2.4 GHz Radio-on-a-Chip AR5212 AR5212 Multiprotocol MAC/baseband processor AR5002G AR5002G Solution Highlights AR2112 AR2112 Radio-on-a-Chip for 2.4 GHz WLAN · Support for IEEE 802.11b, 802.11g · Uses digital CMOS technology exclusively, minimizing power consumption and cost while maximizing reliability · Highly integrated 2-chip set · 2.4 GHz Radio-on-a-Chip (RoC) · Multiprotocol MAC/baseband processor that supports the RoC · Wireless Multimedia Enhancements Quality of Service support (QoS) · Super GTM mode delivers 108 Mbps raw data rate and 90 Mbps TCP/IP throughput · Hardware encryption for the Wi-Fi Protected Access (WPA) and IEEE 802.11i security specifications, provides Advanced Encryption Standard (AES), Temporal Key Integrity Protocol (TKIP) and Wired Equilvant Privacy (WEP) without performance degradation · Support for draft IEEE 802.11e, h, and i standards · Third-generation OFDM radio provides best-in-class range, throughput, and power consumption · Support for IEEE 802.11b, 802.11g · Operates from 2.300 - 2.500 GHz · Advanced wideband receiver with best path sequencer for better range and multipath resistance than conventional equalizer-based designs · Integrated third-generation power amplifier (PA) and low-noise amplifier (LNA) · External PA and/or LNA can be used for special applications · Eliminates all IF filters and most RF filters; no external voltage-controlled oscillators (VCOs) or surface acoustic wave (SAW) filters needed · Enhanced transmit and receive chains AR5212 AR5212 Multiprotocol MAC/baseband processor · Supports both 2.4 GHz and 5 GHz RoCs · Super A/GTM mode includes dynamic 108 Mbps capability, real-time hardware data compression, dynamic transmit optimization and standards-compliant bursting · No external FLASH or RAM memory needed · PCI 2.3 and PC Card 7.1 host interfaces with DMA support · Integrated analog-to-digital and digital-to-analog converters · Serial EEPROM, LEDs, GPIOs peripheral interfaces · Low power operational and sleep modes AR5002G AR5002G WLAN System Architecture External LEDs EEPROM 2.4GHz Receiver Ext Interface ADC RF Filter RF Switch Frequency Synthesizer MAC Configuration Control and Memory Transmitter DAC 40MHz Crystal Bias/Control Controls AR2112 AR2112 Baseband (PHY) AR5212 AR5212 PCI, Mini PCI, CardBus Host Interface