Epson Stylus COLOR 3000 Service Manual - Page 24
EPSON Stylus COLOR 3000, Rev. A, Data Transmission Timing
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EPSON Stylus COLOR 3000 Figure 1-8. Data Transmission Timing Table 1-20. Data Transmission Timing Parameter Minimum Maximum Note) tsetup 500 ns - thold 500 ns - tstb 500 ns - tready 0 - tbusy - 500 ns tt-out - 120 ns tt-in - 200 ns treply - - tack*** 500 ns 10 us tnbusy 0 - tnext 0 - tt-out shows the rise and fall time of every output signal. tt-in shows the rise and fall time of every input signal. Typical time of tack is shown in Table 1-21. Table 1-21. Typical Time of Tuck Parallel I/F transfer rate Fast Normal Typical time of tuck 1us 3us Rev. A 1-17
EPSON Stylus COLOR 3000
Rev. A
1-17
Parameter
Minimum
Maximum
tsetup
500 ns
-
thold
500 ns
-
tstb
500 ns
-
tready
0
-
tbusy
-
500 ns
tt-out
-
120 ns
tt-in
-
200 ns
treply
-
-
tack***
500 ns
10 us
tnbusy
0
-
tnext
0
-
Note)
tt-out shows the rise and fall time of every output signal.
tt-in shows the rise and fall time of every input signal.
Typical time of tack is shown in Table 1-21.
Parallel I/F transfer rate
Typical time of tuck
Fast
1us
Normal
3us
DATA (n)
DATA
BUSY
0.5 us (min.)
0 (min.)
0 (min.)
5 us (type.)
0 (min.)
DATA (n+1)
STORBE
ACKNLG
0.5 us (min.)
0.5 us (min.)
Figure 1-8. Data Transmission Timing
Table 1-20. Data Transmission Timing
Table 1-21. Typical Time of Tuck