Interfacing Phases - Citizen CT-S280 Command Reference Manual

5.2.2 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.
*Forward
Data
Transfer
Host Busy
Data Not
Available
Event 7
Compatibility Mode
Host Xmits
Data
End forward
Data Xfer
Event 6
Event 11
Reverse Idle
Aborted
Transfer
Forward Idle
Failed
Event 1 Negotiation
Negotiation
Event 11
Reverse
Data
Transfer
Event 7
Interrupt
Host
Event 18
- 417 -
Termination from
Other Modes
(except EPP)
Termination
Event 6
Host Busy
Data
Available
Event 21