SCH3112I-NE SMSC [SMSC Corporation], SCH3112I-NE Datasheet - Page 137

• Manufacturer Part Number: SCH3112I-NE
• Description: LPC IO with 8042 KBC, Reset Generation, HWM and Multiple Serial Ports
• Manufacturer: SMSC [SMSC Corporation]

LPC IO with 8042 KBC, Reset Generation, HWM and Multiple Serial Ports
Datasheet
SMSC SCH311X
9.3.1
CONNECTOR
PIN #
10
11
12
13
14
15
16
17
PARALLEL PORT
I/F
nINIT
nSLCTIN
PD0
PD1
PD2
PD3
PD4
PD5
PD6
PD7
SLCT
PE
BUSY
nACK
nERROR
nALF
nSTROBE
Buffer Types
The buffer types of the parallel port pins are summarized in
PARALLEL PORT SPP MODE
SIGNAL NAME
NACK
BUSY
PE
SLCT
nALF
nERR
nINIT
nSLCTIN
FDC I/F
nDIR
nSTEP
nINDEX
nTRK0
nWP
nRDATA
nDSKCHG
-
nMTR0
-
nWGATE
nWDATA
nMTR1
nDS1
nHDSEL
DRVDEN0
nDS0
Table 9.10 Parallel Port Floppy Pin Out (continued)
PIN
DIRECTION
I
I
I
I
I/O
I
I/O
I/O
Table 9.11 PP Buffer Types
DATASHEET
PP BUFFER
FDC MODE 1
SIGNAL
NAME
nDS1
nMTR1
nWDATA
nWGATE
DRVDEN0
nHDSEL
nDIR
nSTEP
121
(OD14/OP14)
(OD14/OP14)
(OD14/OP14)
(OD14/OP14)
IOP14
IOP14
IOP14
IOP14
IOP14
IOP14
IOP14
IOP14
I
I
I
I
I
PIN
DIRECTION
O
O
O
O
O
O
O
O
Table
9.11.
FDC BUFFER
FDC MODE 2
SIGNAL
NAME
nDS1
nMTR1
nWDATA
nWGATE
DRVDEN0
nHDSEL
nDIR
nSTEP
nMTR1
OD14
OD14
OD12
OD12
OD12
OD14
OD14
nDS1
Rev 0.2 (09-28-04)
-
-
I
I
I
I
I
I
PIN
DIRECTION
O
O
O
O
O
O
O
O