Star-micronics DP8340 User Manual download pdf (Page 30)

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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 STROBE pulses

(3) Handshaking ACK and BUZY signals

(4) Logic level Compatible with TTL level

7-2. Interface Timing

Figure 7-1. Interface Timing Diagram

Figure 7-2. Typical Interface Circuit

Signal Name Circuit Example

DATA1-DATA8

(To Printer)

STROBE

(To Printer)

BUZY, ACK

(From Printer)

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Star-micronics DP8340 User Manual Page 30