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32186 Datasheet(PDF) 122 Page - Renesas Technology Corp

Part # 32186
Description  MCU
PDF  1032 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

32186 Datasheet(HTML) 122 Page - Renesas Technology Corp

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4
EIT
4-20
32185/32186 Group Hardware Manual
Rev.1.10 REJ09B0235-0110 May 15, 07
4.12 Example of EIT Processing
4.12 Example of EIT Processing
(1) When RIE, AE, FPE, SBI, EI or TRAP occurs singly
Figure 4.12.1 Processing of Events When RIE, AE, FPE, SBI, EI or TRAP Occurs Singly
(2) When RIE, AE, FPE or TRAP and EI occur simultaneously
Figure 4.12.2 Processing of Events When RIE, AE, FPE or TRAP and EI Occur Simultaneously
RTE instruction
IE = 0
RIE, AE, FPE or TRAP is accepted first.
BPC register = Return address A
IE = 1
RIE, AE, FPE or TRAP and EI
occur simultaneously
Return address A:
IE = 1
IE = 0
IE = 1
RTE instruction
: EIT handler
EI is accepted next.
BPC register = Return address A
RTE instruction
IE = 0
IE = 1
BPC register = Return address A
IE = 1
RIE, AE, FPE, SBI, EI or TRAP
occurs singly
Return address A:
If IE = 0, no events but reset and
SBI are accepted.
: EIT handler



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