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H838532H 数据表(PDF) 97 Page - Renesas Technology Corp

部件名 H838532H
功能描述  16-Bit Single-Chip Microcomputer H8 Family / H8/300H Super Low Power Series
PDF  508 Pages
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制造商  RENESAS [Renesas Technology Corp]
网页  http://www.renesas.com
标志 RENESAS - Renesas Technology Corp

H838532H 数据表(HTML) 97 Page - Renesas Technology Corp

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Section 3 Exception Handling
Rev. 1.00 May 30, 2008 Page 77 of 484
REJ09B0436-0100
PC and CCR
saved to stack
SP (R7)
SP – 1
SP – 2
SP – 3
SP – 4
Stack area
SP + 4
SP + 3
SP + 2
SP + 1
SP (R7)
Even address
Prior to start of interrupt
exception handling
After completion of interrupt
exception handling
Legend:
PCH:
PCL:
CCR:
SP:
Upper 8 bits of program counter (PC)
Lower 8 bits of program counter (PC)
Condition code register
Stack pointer
Notes:
CCR
CCR
PCH
PCL
1.
2.
*
PC shows the address of the first instruction to be executed upon
return from the interrupt handling routine.
Register contents must always be saved and restored by word access,
starting from an even-numbered address.
Ignored on return.
*
Figure 3.4 Stack State after Completion of Interrupt Exception Handling
Figure 3.5 shows a typical interrupt sequence.



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