FDC37B78X 查看數據表（PDF） - SMSC -> Microchip
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FDC37B78X
SMSC -> Microchip
FDC37B78X Datasheet PDF : 258 Pages
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PDATA
nSTROBE
t6
t3
t1
t2
t5
t4
BUSY
FIGURE 27 - PARALLEL PORT FIFO TIMING
TABLE 106 - PARALLEL PORT FIFO TIMING
NAME
DESCRIPTION
MIN TYP MAX UNITS
t1 DATA Valid to nSTROBE Active
600
ns
t2 nSTROBE Active Pulse Width
600
ns
t3 DATA Hold from nSTROBE Inactive (Note 1)
450
ns
t4 nSTROBE Active to BUSY Active
500
ns
t5 BUSY Inactive to nSTROBE Active
680
ns
t6 BUSY Inactive to PDATA Invalid (Note 1)
80
ns
Note 1: The data is held until BUSY goes inactive or for time t3, whichever is longer. This only
applies if another data transfer is pending. If no other data transfer is pending, the data is
held indefinitely.
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