Toshiba H1 Series Data Book page 474

(c-19) Dummy function for not using maskable interrupts.
•
Transaction performs nothing, therefore outline flow is skipping.
(c-20) Request judgment transaction. If transaction result is error, it puts STALL
command.
Start
Is request right?
End
(c-21) SETUP stage transaction
Start
Is request right?
Stage information = SETUP stage
Request transaction
End
92CZ26A-471
No
Yes
No
Yes
TMP92CZ26A
Error transaction