Renesas H8S/2319 series Hardware Manual page 158

Program execution state
No
Interrupt generated?
Yes
Yes
NMI?
No
No
I = 0?
Hold pending
Yes
No
IRQ0?
Yes
No
IRQ1?
Yes
TEI1?
Yes
Save PC and CCR
I ← 1
Read vector address
Branch to interrupt handling routine
Figure 5-5 Flowchart of Procedure Up to Interrupt Acceptance in
Interrupt Control Mode 0
Rev. 5.00, 12/03, page 128 of 1088