H8S2245 datasheet(160/818 Pages) RENESAS

부품명	H8S2245

상세설명	Renesas 16-Bit Single-Chip Microcomputer H8S Family / H8S/2200 Series

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Section 5 Interrupt Controller

Rev.3.00 Mar. 26, 2007 Page 118 of 772

REJ09B0355-0300

(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

Operations and Control Signal Functions in Each Interrupt Control Mode

Setting

Interrupt Acceptance

Control 3-Level Control

Interrupt Control

Mode

INTM1

INTM0

ICR

Default Priority

Determination

—

Legend:

Interrupt operation control performed

IM: Used as interrupt mask bit

PR: Sets priority.

—:

Not used.

H8S2245 데이터시트(PDF) 160 Page - Renesas Technology Corp