Seiko TM-T90 Especificações descarregar pdf (Página 41)

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REVISION

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SHEET

TM-T90

Specification

(STANDARD)

27 26

2.1.2.6 Notes on resetting the printer through the interface

To enable printer reset through the interface nInit signal (pin #31) in compatibility mode, the following

signal timing shall be statisfied. However, the printer reset is ignored when the signal nSelectln (pin

#36 , 1284-Active HIGH) is active in reverse mode.

• DC characteristics:

TTL level

• AC characteristics:

Minimum reset pulse width: T

50 µs (min.)

Trailing edge period: tf 500 ns (max.)

Leading edge period: tr 500 ns (max.)

nInit

nSelectIn

(1284-Active)

min.0

min.1 ms

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