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HD6433644R Datasheet(PDF) 100 Page - Renesas Technology Corp

Part # HD6433644R
Description  8-Bit Single-Chip Microcomputer
PDF  549 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

HD6433644R Datasheet(HTML) 100 Page - Renesas Technology Corp

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Section 3 Exception Handling
Rev. 6.00 Sep 12, 2006 page 80 of 526
REJ09B0326-0600
CCR I bit
1
Set port mode register bit
Execute NOP instruction
Interrupts masked. (Another possibility
is to disable the relevant interrupt in
interrupt enable register 1.)
After setting the port mode register bit,
first execute at least one instruction
(e.g., NOP), then clear the interrupt
request flag to 0
Interrupt mask cleared
Clear interrupt request flag to 0
←
CCR I bit
0
←
Figure 3.7 Port Mode Register Setting and Interrupt Request Flag
Clearing Procedure



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