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USB97C102 数据表(PDF) 8 Page - SMSC Corporation |
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USB97C102 数据表(HTML) 8 Page - SMSC Corporation |
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8 / 80 page ![]() SMSC DS – USB97C102 Page 8 Rev. 03/23/2000 USB97C102 BLOCK DIAGRAM 8051 CPU 4k Data Buffer RAM Memory Management Unit Map RAM Arbiter SIE DMA RX/ TX Queue End Point Control Serial Interface Engine GPIO GPIO[7:0] FD[7:0] nFRD nFWR nFCE General Purpose IO Flash/ SRAM Interface IRQ[3:0] SD[7:0], SA[19:0] NIOW, nIOR, nMEMW, nMEMR Internal HUB Dual Speed USB XCVR Dual Speed USB XCVR To Upstream USB Device Dual Speed USB XCVR Dual Speed USB XCVR To Walk-up USB Ports 97C102 Block Diagram Dual Speed USB XCVR 8051 SGDMA Control 8237 SGDMA WRAPPER DRQ[3:0], nDACK[3:0], TC,AEN Start DMA Queue Ctrl Done DMA Queue Ctrl |
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