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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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R4F2189R 数据表(PDF) 67 Page - Renesas Technology Corp |
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R4F2189R 数据表(HTML) 67 Page - Renesas Technology Corp |
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67 / 812 page  Section 2 CPU Rev. 2.00 Aug. 03, 2005 Page 25 of 766 REJ09B0223-0200 2.4 Register Configuration The H8S/2000 CPU has the internal registers shown in figure 2.6. These are classified into two types of registers: general registers and control registers. Control registers refer to a 24-bit program counter (PC), an 8-bit extended control register (EXR), and an 8-bit condition code register (CCR). TI2 I1 I0 EXR* 76543210 PC 23 0 15 0 7 0 7 0 E0 E1 E2 E3 E4 E5 E6 E7 R0H R1H R2H R3H R4H R5H R6H R7H R0L R1L R2L R3L R4L R5L R6L R7L SP PC EXR T I2 to I0 CCR I UI : Stack pointer : Program counter : Extended control register : Trace bit : Interrupt mask bits : Condition-code register : Interrupt mask bit : User bit or interrupt mask bit : Half-carry flag : User bit : Negative flag : Zero flag : Overflow flag : Carry flag ER0 ER1 ER2 ER3 ER4 ER5 ER6 ER7 (SP) IUI H U N ZV C CCR 76543210 H U N Z V C General Registers (Rn) and Extended Registers (En) Control Registers [Legend] ---- Note: * Does not affect operation in this LSI. Figure 2.6 CPU Internal Registers |
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