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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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H8S2245 数据表(PDF) 70 Page - Renesas Technology Corp |
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H8S2245 数据表(HTML) 70 Page - Renesas Technology Corp |
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70 / 818 page  Section 2 CPU Rev.3.00 Mar. 26, 2007 Page 28 of 772 REJ09B0355-0300 2.4 Register Configuration 2.4.1 Overview The CPU has the internal registers shown in figure 2.7. There are two types of registers: general registers and control registers. T ———— I2 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 General Registers (Rn) and Extended Registers (En) Control Registers (CR) Legend: Stack pointer Program counter Extended control register Trace bit Interrupt mask bits Condition-code register Interrupt mask bit User bit or interrupt mask bit SP: PC: EXR: T: I2 to I0: CCR: I: UI: Note: * This register does not affect operations in the H8S/2245 Group. ER0 ER1 ER2 ER3 ER4 ER5 ER6 ER7 (SP) I UI HUN Z V C CCR 76543210 Half-carry flag User bit Negative flag Zero flag Overflow flag Carry flag H: U: N: Z: V: C: Figure 2.7 CPU Registers |
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