FDC37C672QFP SMSC Corporation, FDC37C672QFP Datasheet - Page 156

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

Note:
SMSC FDC37C672
NAME
t1
t2
t3
t4
t5
t6
(ECP or EPP Enabled)
PINTR refers to the IRQ used by the parallel port.
nAUTOFD, SLCTIN
PD0-7, nINIT, nSTROBE, nAUTOFD Delay from nIOW
PINTR Delay from nACK, nFAULT
PINTR Active Low in ECP and EPP Modes
PINTR Delay from nACK
nERROR Active to PINTR Active
PD0 - PD7 Delay from IOW Active
nINIT, nSTROBE.
nFAULT (ECP)
PD0- PD7
nERROR
(ECP)
nPINTR
(SPP)
PINTR
PINTR
nACK
nIOW
DESCRIPTION
Figure 21.12 - Parallel Port Timing
t6
t2
DATASHEET
Page 156
t5
t2
t3
t1
MIN
200
Enhanced Super I/O Controller with Fast IR
t4
TYP
t3
MAX
100
300
105
105
100
60
Rev. 10-29-03
UNITS
Datasheet
ns
ns
ns
ns
ns
ns