전자부품 데이터시트 검색엔진 |
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FDC37B72X 데이터시트(PDF) 8 Page - SMSC Corporation |
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FDC37B72X 데이터시트(HTML) 8 Page - SMSC Corporation |
8 / 244 page 8 PIN No./QFP NAME TOTAL SYMBOL BUFFER TYPE 10 Write Disk Data 1 nWDATA O24 12 Head Select 1 nHDSEL O24 8 Step Direction 1 nDIR O24 9 Step Pulse 1 nSTEP O24 17 Disk Change 1 nDSKCHG IS 5 Drive Select 0 1 nDS0 O24 6 Drive Select 1/GP17 1 nDS1 IO24 3 Motor On 0 1 nMTR0 O24 4 Motor On 1/GP16 1 nMTR1 IO24 15 Write Protected 1 nWRTPRT IS 14 Track 0 1 nTRKO IS 13 Index Pulse Input 1 nINDEX IS 1 Drive Density Select 0 1 DRVDEN0 O24 2 Drive Density Select 1/GP52/IRQ8/nSMI 1 DRVDEN1 IO24 GENERAL PURPOSE I/O (6) 77 General Purpose 10/nSMI 1 GP10 IO12 78 General Purpose 11/nRING/EETI (Note 4) 1 GP11 IO4 79 General Purpose 12/WDT/P17/P12/EETI (Note 4) 1 GP12 IO4 80 General Purpose 13/LED Driver 1 GP13 IO24 81 General Purpose 14/Infrared Rx 1 GP14 IO4 82 General Purpose 15/Infrared Tx (Note 3) 1 GP15 IO24 BIOS INTERFACE (10) 83 ROM Bus 0/IRQ1/GP60/nSMI 1 RD0 IO12 84 ROM Bus 1/IRQ3/GP61/LED 1 RD1 IO24 85 ROM Bus 2/IRQ4/GP62/nRING 1 RD2 IO12 86 ROM Bus 3/IRQ5/GP63/WDT 1 RD3 IO12 87 ROM Bus 4/IRQ6/GP64/P17/P12 1 RD4 IO12 88 ROM Bus 5/IRQ7/GP65 1 RD5 IO12 89 ROM Bus 6/IRQ8/GP66 1 RD6 IO12 90 ROM Bus 7/IRQ10/GP67 1 RD7 IO12 91 nROMCS/IRQ11/GP53/EETI (Note 4) 1 nROMCS IO12 92 nROMOE/IRQ12/GP54/EETI (Note 4) 1 nROMOE IO12 SERIAL PORT 1 INTERFACE (8) 112 Receive Serial Data 1 1 RXD1 I 113 Transmit Serial Data 1 1 TXD1 O4 115 Request to Send 1 1 nRTS1/ SYSOP IO4 116 Clear to Send 1 1 nCTS1 I 117 Data Terminal Ready 1 1 nDTR1 O4 114 Data Set Ready 1 1 nDSR1 I 119 Data Carrier Detect 1 1 nDCD1 I 118 Ring Indicator 1 1 nRI1 I |
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