
6
Chapter 6 Interfaces
Parallel Interface
Specifications
Transmission Method | 8 bit Parallel |
|
|
Signal Level | TTL Level |
|
|
Connector | Corresponds to DDK |
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|
Timing Chart
[At Power On] (If the printer goes Online.)
Power on
*RESET :
BUSY :
*ACK :
SELECT :
The * means negative logic signals.
[During Data Reception]
a
*STROBE :
BUSY :
*ACK :
b c
d
a: | Min. 0.5 μ Sec* | d: Approx. 2.9 μ Sec |
b: | Min. 0.5 μ Sec* |
|
c: | Min. 0.5 μ Sec* | *: Value at the receiving end. |
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