
5
T H E O R Y O F O P E R A T I O N
Signal | Signal | Active |
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Nhemmon- | Operation | |||
Name | Level | |||
ic |
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IND1 - |
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| Input lines for byte parallel | |
Input data | High | data Must be accompanied | ||
IND8 | ||||
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| by a PICLK | ||
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| Stobes a data byte present | |
PICLK | Parallel input | High | on | |
clock | input bufffer. Minimum | |||
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| 300nS pulse | |
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| Low level means plotter is | |
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| ready to receive next data | |
READY | Plotter ready | Low | byte or remote function. | |
High level indicates plotter | ||||
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| is busy and will not accept | |
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| data or remote functions. | |
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Table 5-2 Data Transfer
Note that the plotter goes busy after receiving each byte. The plotter goes busy for longer periods during the execution of remote functions, when the input buffer is full, or when an error occurs.
Table
V8.5eRev2.2.2002 |