FDC37C672 查看數據表（PDF） - SMSC -> Microchip
零件编号
产品描述 (功能)
生产厂家
FDC37C672 Datasheet PDF : 173 Pages
| |||
nAUTOFD
PDATA<7:0>
nSTROBE
BUSY
Enhanced Super I/O Controller with Fast IR
Datasheet
t3
t4
t2
t1
t7
t8
t6
t5
t6
Figure 22.2 - ECP Parallel Port Forward Timing
NAME
DESCRIPTION
MIN
TYP
t1 nAUTOFD Valid to nSTROBE Asserted
0
t2 PDATA Valid to nSTROBE Asserted
0
t3 BUSY Deasserted to nAUTOFD Changed
80
(Note 22.2, Note 22.3)
t4 BUSY Deasserted to PDATA Changed (Note 22.2, Note 22.3) 80
t5 nSTROBE Deasserted to Busy Asserted
0
t6 nSTROBE Deasserted to Busy Deasserted
0
t7 BUSY Deasserted to nSTROBE Asserted (Note 22.2, Note
80
22.3)
t8 BUSY Asserted to nSTROBE Deasserted (Note 22.3)
80
Note 22.2 Maximum value only applies if there is data in the FIFO waiting to be written out.
MAX
60
60
180
180
200
180
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
Note 22.3 BUSY is not considered asserted or deasserted until it is stable for a minimum of 75 to 130 ns.
SMSC FDC37C672
Page 166
DATASHEET
Rev. 10-29-03
Share Link: 