Star Micronics DP8340 user manual Interface Specifications, Interface Timing

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 7-1. Interface Timing Diagram

Signal Name Circuit Example

DATA1-DATA8

(To Printer)

STROBE (To Printer)

BUZY, ACK (From Printer)

Figure 7-2. Typical Interface Circuit

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