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H838532H Datasheet(PDF) 81 Page - Renesas Technology Corp

Part # H838532H
Description  16-Bit Single-Chip Microcomputer H8 Family / H8/300H Super Low Power Series
PDF  508 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

H838532H Datasheet(HTML) 81 Page - Renesas Technology Corp

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Section 3 Exception Handling
Rev. 1.00 May 30, 2008 Page 61 of 484
REJ09B0436-0100
3.3
Interrupts
3.3.1
Overview
The interrupt sources include 13 external interrupts (IRQ
4 to IRQ0, WKP7 to WKP0) and 23 internal
interrupts from on-chip peripheral modules. Table 3.2 shows the interrupt sources, their priorities,
and their vector addresses. When more than one interrupt is requested, the interrupt with the
highest priority is processed.
The interrupts have the following features:
• Internal and external interrupts can be masked by the I bit in CCR. When the I bit is set to 1,
interrupt request flags can be set but the interrupts are not accepted.
• IRQ
4 to IRQ0 and WKP7 to WKP0 can be set to either rising edge sensing or falling edge
sensing.



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