參數(shù)資料
型號: M34506M4-XXXFP
元件分類: 微控制器/微處理器
英文描述: 4-BIT, MROM, MICROCONTROLLER, PDSO20
封裝: 5.30 X 12.60 MM, 1.27 MM PITCH, PLASTIC, SOP-20
文件頁數(shù): 12/114頁
文件大小: 836K
代理商: M34506M4-XXXFP
4
4-20
EIT
32180 Group User’s Manual (Rev.1.0)
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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