FDC37C669_07 SMSC [SMSC Corporation], FDC37C669_07 Datasheet - Page 141

• Manufacturer Part Number: FDC37C669_07
• Description: PC 98/99 Compliant Super I/O Floppy Disk Controller with Infrared Support
• Manufacturer: SMSC [SMSC Corporation]

AX , A EN,
nI OC S16
(D0-D7)
NOTE: PINTR is the interrupt assigned to the Paral lel Port
FINTR
PI NTR
DAT A
nIOW
t1
t2
t3
t4
t5
t6
t7
FINTR is the interrupt assigned to the Floppy Disk
A0-A9, AEN , nIOCS16 Set Up to
n IOW Lo w
nIOW Width
A0-A9, AEN , nIOCS16 Ho ld from
nIOW High
Data Set U p Time to nIOW Hig h
Data Ho ld Time from n IOW High
Write Strobe to Cle ar FINTR
nIOW Inactive to PINTR Inactive
FIGURE 4 - MICROPROCESSOR WRITE TIMING
t1
Parameter
141
t2
DATA VALID
t4
min
15 0
40
10
40
10
typ
40
t6
max
t3
t5
26 0
t7
55
u nits
ns
ns
ns
ns
ns
ns
ns