H8S2110B RENESAS [Renesas Technology Corp], H8S2110B Datasheet - Page 116

• Manufacturer Part Number: H8S2110B
• Description: Renesas 16-Bit Single-Chip Microcomputer Renesas H8S Family/H8S/2100 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 5 Interrupt Controller
6. Next, the I bit in CCR is set to 1. This masks all interrupts except for NMI and address break
7. The CPU generates a vector address for the accepted interrupt and starts execution of the
Rev. 2.00 Mar 21, 2006 page 78 of 518
REJ09B0299-0200
interrupts.
interrupt handling routine at the address indicated by the contents of the vector address in the
vector table.
Figure 5.4 Flowchart of Procedure Up to Interrupt Acceptance
IRQ0
An interrupt with interrupt
Yes
control level 1?
IRQ1
No
Yes
Yes
in Interrupt Control Mode 0
Yes
No
Branch to interrupt handling routine
IBFI3
Program excution state
Yes
Read vector address
Interrupt generated?
Save PC and CCR
No
I = 0
I
NMI
1
Yes
No
Yes
IRQ0
Yes
IRQ1
No
No
No
Yes
No
IBFI3
Yes
Hold pending