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AX88872P 数据表(PDF) 15 Page - ASIX Electronics Corporation |
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AX88872P 数据表(HTML) 15 Page - ASIX Electronics Corporation |
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15 / 36 page ![]() ASIX ELECTRONICS CORPORATION 15 CONFIDENTIAL AX88872P Swipeater Controller PRELIMINARY 2.8 Power on configuration setup signals cross reference table Signal Name Share with Description /Hash_En BMA[16] Hash Algorithm Enable : 0 : Enable look-up table addressing use hashing algorithm. 1 : Disable look-up table addressing use linear addressing Aging_S[2:0] BMA[15:13] Aging Timer Selection : Aging_S2 Aging_S1 Aging_S0 Aging Time (Min) 1 1 1 no aging (disable) 1 1 0 5 1 0 1 10 1 0 0 20 0 1 1 40 0 1 0 160 0 0 1 640 0 0 0 1 RxFC_En BMA[12] PAUSE Identification Enable : 0 : Disable 802.3x receives flow control function in full duplex. 1 : Enable 802.3x receives flow control function in full duplex. MII_S1 BMA[11] MII/RMII Interface Selection for Switch Port 1: 0 : Switch port 1 “RMII” mode is selected 1 : Switch port 1 “MII” mode is selected MII_S0 BMA[10] MII/RMII Interface Selection for Switch Port 0: 0 : Switch port 0 “RMII” mode is selected 1 : Switch port 0 “MII” mode is selected /Part_En BMA[9] TX Partition Enable : 0 : Enable partition function of transmission. 1 : Disable partition function of transmission. RAM_S BMA[5] RAM Size Selection : External packet buffer RAM size select RAM_S RAM SIZE 1 64K * 32 SSRAM 0 128K * 32 SSRAM NetQlty_S BMA[4] Network Quality Selection: Auto forwarding mode is based on packet error percentage to select Store-and-Forward or Fragment Free mode. NetQlty_S Error Packet Ratio 1 20% 0 40% FwTyp_S1 FwTyp_S0 BMA[3] BMA[2] Forward Type Selection : FwTyp _S1 FwTyp _S0 Forward Mode 1 1 Store & Forward 1 0 Store & Forward 0 1 Fragment Free 0 0 Auto HiBndy_S1 HiBndy_S0 BMA[1] BMA[0] Threshold Selection for Flow Control : Flow control will be active when buffer memory is below the threshold: HiBndy_S1 HiBndy_S0 Buffers Left 1 1 64 packets 1 0 32 packets 0 1 16 packets 0 0 96 packets / FlowCtl _En3 STXD0[3] P3 Flow Control Enable : Enable flow control function of switch port 3 (Link to 10Mbps repeater port), back pressure for half duplex. 0 : Enable flow control function. |
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