FDC37C672QFP SMSC Corporation, FDC37C672QFP Datasheet - Page 13

• Manufacturer Part Number: FDC37C672QFP
• Description: ENHANCED SUPER I/O CONTROLLER WITH FAST IR
• Manufacturer: SMSC Corporation

Enhanced Super I/O Controller with Fast IR
Datasheet
SMSC FDC37C672
QFP/TQFP
PIN NO.
100 / 98
17 / 15
15 / 13
14 / 12
13 / 11
2 / 100
84 / 82
85 / 83
87 / 85
88 / 86
89 / 87
86 / 84
91 / 89
90 / 88
95 / 93
96 / 94
98 / 96
99 / 97
97 / 95
94 / 92
92 / 90
68:75 /
12 /10
1 / 99
66:73
8 / 6
9 / 7
5 / 3
4 / 2
3 / 1
6 / 4
Head Select
Step Direction
Step Pulse
Disk Change
Drive Select 0
Drive Select 1
Motor On 0
Motor On 1
Write Protected
Track 0
Index Pulse Input
Drive Density Select 0
Drive Density Select 1/IR Mode Select/IRRX3
Receive Serial Data 1
Transmit Serial Data 1
Request to Send 1
Clear to Send 1
Data Terminal Ready 1
Data Set Ready 1
Data Carrier Detect 1
Ring Indicator 1
Receive Serial Data 2/Infrared Rx
Transmit Serial Data 2/Infrared Tx
Request to Send 2/Sys Addr 12/ Parallel IRQ_5
Clear to Send 2/Sys Addr 13/ Parallel IRQ_6
Data Terminal Ready/Sys Addr 14/ Parallel IRQ_7
Data Set Ready 2/Sys Addr 15/ Parallel
IRQ_10/nSMI
Data Carrier Detect 2/8042 P12/ Parallel IRQ_11
Ring Indicator 2/8042 P16/Parallel IRQ_12
Parallel Port Data Bus
PRELIMINARY DATASHEET
NAME
PARALLEL PORT INTERFACE (17)
SERIAL PORT 1 INTERFACE (8)
SERIAL PORT 2 INTERFACE (8)
Page 13
TOTAL
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
8
1
nRTS1/ SYSOP
nRTS2/SA12/IR
nCTS2/SA13/IR
nDSR2/SA15/I
nDTR2/SA14/I
nDCD2/P12/
RXD2/IRRX
DRVDEN1/
TXD2/IRTX
nDSKCHG
nWRTPRT
DRVDEN0
nRI2/P16/
SYMBOL
IRMODE/
nHDSEL
nINDEX
nMTR0
nMTR1
nTRKO
nDCD1
PD[0:7]
nSTEP
nDTR1
nDSR1
nCTS1
IRRX3
RQ10/
IRQ11
IRQ12
RXD1
nDS0
nDS1
TXD1
nDIR
nSMI
nRI1
RQ7
Q5
Q6
I/I/O24/ OD24
I/I/O24/OD 24
I/IO24/O24/O
I/IO24/O24/O
O24/OD24/O
O24/OD24
O24/OD24
O24/OD24
O24/OD24
O24/OD24
O24/OD24
O24/OD24
O24/OD24
(Note 3.1)
(Note 3.1)
(Note 3.1)
(Note 3.1)
(Note 3.1)
(Note 3.1)
O4/I/O24/
O4/I/O24/
BUFFER
TYPE
OD24
OD24
Rev. 10-29-03
IO24
O4/I
O24
D24
D24
24/I
O4
O4
IS
IS
IS
IS
I
I
I
I
I
I