Epson 2070 - LQ B/W Dot-matrix Printer Service Manual page 31

Product Description
DATA
T R O B E
'
BUSY
1
ACKNLG
Table 1-32 Maximum and Minimum Timings for Data Transmission
Parameter
setup
t stb
tready
tack
tnext
ttout
ttin
0 If the input buffer is full.
0 In self-test mode.
0 The ERROR signal is active (LOW level) under the conditions below:
. PE signal is active (HIGH level) under the conditions below:
1-22
I
I
Figure 1-8 Data Transmission Timing
Minimum
500 nsec
500 nsec
500 nsec
0
- . .
- . .
500 nsec
o
o
- . .
- . .
Maximum
- . . .
-----
. . . . .
- . . .
500 nsec
- . . .
10 ~
- . . .
120 nsec
200 nsec