Epson LQ-2550 Technical Manual page 97

Hardware reset
is occured.
DC 1 is sent.
8-bit data is input.
Set default values.
-
. PORTO = H " . . . f i x e d
STROBE pulse is sent.
-
PORT 1 = " H . . . f i x e d
S e t i n i t i a l vaiues.
. EBUSY = " L "
-
-
H "
I YES
ERROR STATE
Wait 5 us
CPU write address at
Wait 5 us
I
[
A
Figure 2-44. 8-Bit Parallel Interface Circuit Operation
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