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HD64F36022 Datasheet(PDF) 38 Page - Renesas Technology Corp |
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HD64F36022 Datasheet(HTML) 38 Page - Renesas Technology Corp |
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38 / 384 page  Section 2 CPU Rev. 4.00 Sep. 23, 2005 Page 12 of 354 REJ09B0025-0400 2.2 Register Configuration The H8/300H CPU has the internal registers shown in figure 2.2. There are two types of registers; general registers and control registers. The control registers are a 24-bit program counter (PC), and an 8-bit condition code register (CCR). 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 CCR I UI :Stack pointer :Program counter :Condition-code register :Interrupt mask bit :User 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 (ERn) Control Registers (CR) Legend Figure 2.2 CPU Registers |
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