13.1.2 Interfacing Phases

Interfacing in each communication mode is divided into several phases. In addition, there is a phase for mode initialization, as well as a phase for mode switching. Interface signals may differ in name and function for different modes and different phases.

 

 

 

 

 

 

 

 

Aborted

 

Termination from

 

 

 

 

 

 

 

 

Transfer

 

Other Modes

 

 

 

 

 

 

 

 

 

 

 

(Except EPP)

 

 

Compatibility Mode

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Host Xmits

 

 

 

 

 

 

 

 

*Forward

Data

 

 

 

 

 

 

 

 

 

 

Forward

 

 

 

 

 

 

Data

 

 

 

 

Termination

 

 

idle

 

 

Transfer

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

End forward

 

 

 

 

 

 

 

 

 

 

 

Data Xfer

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Failed

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Event 1

Negotiation

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Negotiation

 

 

 

 

 

 

 

 

 

Event 6

 

 

Event 6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Event 11

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Host Busy

 

 

Reverse

 

 

 

Host Busy

 

Data Not

Event 11

Data

 

 

Event 7

Data

 

 

 

 

Available

Transfer

 

 

Available

Event 7

 

 

 

 

 

 

 

 

 

Event 21

 

 

 

Reverse

 

 

 

 

Interrupt

 

 

 

 

 

 

idle

Event 18

 

 

Host

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Image 179
Citizen CBM1000 manual Interfacing Phases