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FDC37M707 Datasheet(PDF) 7 Page - SMSC Corporation |
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FDC37M707 Datasheet(HTML) 7 Page - SMSC Corporation |
7 / 194 page 7 DESCRIPTION OF PIN FUNCTIONS PIN No./QFP NAME TOTAL SYMBOL BUFFER TYPE 18 Trickle Voltage VTR FDD INTERFACE (14) 16 Read Disk Data 1 nRDATA IS 11 Write Gate 1 nWGATE O24/OD24 10 Write Disk Data 1 nWDATA O24/OD24 12 Head Select 1 nHDSEL O24/OD24 8 Step Direction 1 nDIR O24/OD24 9 Step Pulse 1 nSTEP O24/OD24 17 Disk Change 1 nDSKCHG IS 5 Drive Select 0 1 nDS0 O24/OD24 3 Motor On 0 1 nMTR0 O24/OD24 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/OD24 2 Drive Density Select 1 1 DRVDEN1 O24/OD24 SERIAL PORT 1 INTERFACE (8) 84 Receive Serial Data 1 1 RXD1 I 85 Transmit Serial Data 1 1 TXD1 O4 87 Request to Send 1 1 nRTS1/ SYSOP O4/I 88 Clear to Send 1 1 nCTS1 I 89 Data Terminal Ready 1 1 nDTR1 O4 86 Data Set Ready 1 1 nDSR1 I 91 Data Carrier Detect 1 1 nDCD1 I 90 Ring Indicator 1 1 nRI1 I SERIAL PORT 2 INTERFACE (8) 95 Receive Serial Data 2/Infrared Rx 1 RXD2/IRRX I 96 Transmit Serial Data 2/Infrared Tx (Note 4) 1 TXD2/IRTX O24PD 98 Request to Send 2/Sys Addr 12 1 nRTS2/SA12 O4/I 99 Clear to Send 2/Sys Addr 13 1 nCTS2/SA13 I/I 100 Data Terminal Ready/Sys Addr 14 1 nDTR2/ SA14 O4/I 97 Data Set Ready 2/Sys Addr 15 1 nDSR2/ SA15 I/I 94 Data Carrier Detect 2/8042 P12 1 nDCD2/P12 I/IO24 |
Similar Part No. - FDC37M707_07 |
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Similar Description - FDC37M707_07 |
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