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H83003 Datasheet(PDF) 39 Page - Renesas Technology Corp |
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H83003 Datasheet(HTML) 39 Page - Renesas Technology Corp |
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39 / 715 page  2.4 Register Configuration 2.4.1 Overview The H8/300H CPU has the internal registers shown in figure 2-3. There are two types of registers: general registers and control registers. Figure 2-3 CPU Registers ER0 ER1 ER2 ER3 ER4 ER5 ER6 ER7 E0 E1 E2 E3 E4 E5 E6 E7 R0H R1H R2H R3H R4H R5H R6H R7H R0L R1L R2L R3L R4L R5L R6L R7L 0 7 0 7 0 15 (SP) 23 0 PC 7 CCR 6543210 IUI H U N ZV C General Registers (ERn) Control Registers (CR) Legend SP: PC: CCR: I: UI: H: U: N: Z: V: C: Stack pointer Program counter 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 21 |
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