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FDC37C669-MT Datasheet(PDF) 16 Page - Microchip Technology |
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FDC37C669-MT Datasheet(HTML) 16 Page - Microchip Technology |
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16 / 162 page  16 FIGURE 1 - FDC37C669 BLOCK DIAGRAM nDSR1, nDCD1, nRI, nDTR1 TXD1, nCTS1, nRTS1 nINIT, nAUTOFD HOST CPU MULTI-MODE PARALLEL PORT/FDC MUX 16C550 COMPATIBLE SERIAL PORT 1 16C550 COMPATIBLE SERIAL PORT 2 WITH INFRARED IDE CONFIGURATION REGISTERS POWER MANAGEMENT INTERFACE INTERFACE CONTROL BUS ADDRESS BUS DATA BUS CLOCK GEN nINDEX nTRK0 nDSKCHG nWRPRT nWGATE nDIR nSTEP DRVDEN0 DRVDEN1 DRV2(nADRX)(IRQB) nDS0,1,2 nMTR0,1,2 RDATA RCLOCK WDATA WCLOCK nWDATA nRDATA nHDCSO(IRRX2) RXD1 PD0-7 BUSY, SLCT, PE, nERROR, nACK nSTROBE, nSLCTIN, 5 V Vcc (2) Vss (4) SMSC PROPRIETARY 82077 COMPATIBLE VERTICAL FLOPPYDISK CONTROLLER CORE DIGITAL DATA SEPARATOR WITH WRITE PRECOM- PENSATION GENERAL PURPOSE ADDRESS DECODER ADRX TXD2(IRTX),nCTS2,nRTS2 nGAMECS nHDCS1(IRTX2) nIDEEN(IRQH) nCS nIOR nIOW AEN A0-A10 D0-D7 DRQ_A-C nDACK_A-C TC IRQ_C-F IRQIN IOCHRDY RESET RXD2(IRRX) GAME PORT DECODER IRQA nDSR2,nDCD2,nRI2,nDTR2 14.318 CLOCK PWRGD |
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