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H8S/2214 数据表(PDF) 84 Page - Renesas Technology Corp |
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H8S/2214 数据表(HTML) 84 Page - Renesas Technology Corp |
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84 / 936 page ![]() Section 2 CPU Rev.4.00 Sep. 18, 2008 Page 24 of 872 REJ09B0189-0400 (e) Stack Structure In advanced mode, when the program counter (PC) is pushed onto the stack in a subroutine call, and the PC, condition-code register (CCR), and extended control register (EXR) are pushed onto the stack in exception handling, they are stored as shown in figure 2.5. When EXR is invalid, it is not pushed onto the stack. For details, see section 4, Exception Handling. (a) Subroutine Branch (b) Exception Handling PC (24 bits) EXR*1 Reserved*1 *3 CCR PC (24 bits) SP SP Notes: 1. 2. 3. When EXR is not used it is not stored on the stack. SP when EXR is not used. Ignored when returning. (SP ) *2 Reserved Figure 2.5 Stack Structure in Advanced Mode |
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