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49 appendixes – Citizen Systems CLP-521 User Manual

Page 49

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49

Appendixes

Relation of the timing of the BUSY signal and the *ACK signal

[Center – ACK]

[While receiving INIT signal]

Note: If the *Init signal does not have width of 10 to 15

µ

sec or more, it

cannot act as an Init signal. If it is lower, the *Init signal is ignored.

BUSY starts up when the *Init signal is perceived.

BUSY

*ACK

2

µ

sec

BUSY

*Init

*Ack

Fault

SELECT

Min. 10 to 15

µ

sec

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