SH7136 datasheet(145/1160 Pages) RENESAS

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SH7136 Datasheet(PDF) 145 Page - Renesas Technology Corp

Part #	SH7136

Description	32-Bit RISC Microcomputer SuperH??RISC engine Family

PDF	1160 Pages

Scroll/Zoom	100%

Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

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145 / 1160 page

Section 6 Interrupt Controller (INTC)

Rev. 2.00 Sep. 10, 2008 Page 119 of 1130

REJ09B0402-0200

6.8.3

Handling Interrupt Request Signals as Sources for CPU Interrupts, but Not DTC

Activation

1. For DTC, clear the corresponding DTCE bits to 0.

2. When an interrupt occurs, an interrupt request is sent to the CPU.

3. The CPU clears the interrupt source and performs the necessary processing in the interrupt

handling routine.

6.9

Usage Note

The interrupt source flag should be cleared in the interrupt handler. To ensure that an interrupt

source that should have been cleared is not inadvertently accepted again, read the interrupt source

flag after it has been cleared, confirm that it has been cleared, and then execute an RTE

instruction.

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