HD6412240 RENESAS [Renesas Technology Corp], HD6412240 Datasheet - Page 160

• Manufacturer Part Number: HD6412240
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family / H8S/2200 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 5 Interrupt Controller
(2) Default Priority Determination
When an interrupt is selected its priority is determined and a vector number is generated.
If the same value is set for ICR, acceptance of multiple interrupts is enabled, and so only the
interrupt source with the highest priority according to the table 5.4 and has a vector number
generated.
Interrupt sources with a lower priority than the accepted interrupt source are held pending.
Table 5.7 shows operations and control signal functions in each interrupt control mode.
Table 5.7
Legend:
IM: Used as interrupt mask bit
PR: Sets priority.
—: Not used.
Rev.3.00 Mar. 26, 2007 Page 118 of 772
REJ09B0355-0300
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Interrupt Control
Interrupt operation control performed
Mode
0
1
Operations and Control Signal Functions in Each Interrupt Control Mode
INTM1
0
Setting
INTM0
0
1
Control 3-Level Control
Interrupt Acceptance
IM
IM
I
IM
—
UI
ICR
PR
PR
Default Priority
Determination