1746-IB8
1746-IB8
技術特點:基帶部分不采用處理器,減小芯片面積和提高處理速度;片內MCU負責執(zhí)行USB的固件程序和執(zhí)行MAC層及物理層的配置;物理層核心算法采用自主算法;支持WAPI、IEEE802.11i加密標準,多種加密方式無縫集成;MAC實時性要求不高的部分由軟件實現,便于升級和維護。
芯片面積:芯片的邏輯單元為:863K gates(MAC+PHY+USB+MCU) MEMORY大小為:271Kbits。在0.18um下的Die size為:23mm2(包括ADC/DAC/LDO等模擬部分)。S901芯片版圖如圖4所示。
圖4: S901芯片版圖。
芯片功耗:整個基帶包括內部ADC/DAC的功耗如表1所示。
表1: S901功耗表。
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