FDC37C669_07 SMSC [SMSC Corporation], FDC37C669_07 Datasheet - Page 140
FDC37C669_07
Manufacturer Part Number
FDC37C669_07
Description
PC 98/99 Compliant Super I/O Floppy Disk Controller with Infrared Support
Manufacturer
SMSC [SMSC Corporation]
Datasheet
1.FDC37C669_07.pdf
(164 pages)
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t1
t2
t3
t4
t5
t6
t7
t8
t9
P E, SLCT, nACK,
P D0-PD7, nERR,
NOTE: P INTR is the interrupt assigned to the Parallel Port
nIOR/nIOW
A0-A9, AEN, nIOCS16 Set Up to
nIOR Low
nIOR Width
A0-A9, AEN, nIOCS16 Hol d from
nIOR H igh
Da ta Access Time from nIOR Low
D ata to Floa t De lay fro m nIOR High
Parall el Port Setup
Re ad Stro be to Clear FINTR
n IOR or nIOW In active for Transfers to
an d fro m ECP FIFO
n IOR Active to PINTR Inacti ve
nIOCS16
(D0-D7)
FINTR is the i n terrupt assigned to the Floppy Disk
FINTR
PINTR
DATA
BUSY
AEN,
nIOR
FIGURE 3 - MICROPROCESSOR READ TIMING
A X,
Pa ram eter
t 1
t 6
TIMING DIAGRAMS
t 4
140
t 9
DATA VALID
t 2
t 8
m in
150
150
40
10
10
20
40
typ
t 7
t 3
t 5
max
100
260
55
60
units
ns
ns
ns
ns
ns
ns
ns
ns
ns
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