7. INTERFACE
7-1. Interface Specifications
This printer has a parallel interface to communicate with the computer. The operating specifications of the parallel interface are as follows.
(1) | Data transfer rate | 1000 to 6000 characters per second | ||||
(2) | Synchronization | Via externally supplied |
| pulses | ||
STROBE | ||||||
(3) | Handshaking |
| ACK | and BUZY signals | ||
(4) | Logic level | Compatible with TTL level |
7-2. Interface Timing
Figure
Signal Name | Circuit Example |
(To Printer)
STROBE
(To Printer)
BUZY, ACK (From Printer)
Figure
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