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R5F5631ADDFB Datasheet(PDF) 48 Page - Renesas Technology Corp |
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R5F5631ADDFB Datasheet(HTML) 48 Page - Renesas Technology Corp |
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48 / 108 page ![]() R01DS0098EJ0090 Rev.0.90 Page 48 of 106 Dec 27, 2011 RX63N Group, RX631 Group 2. CPU Under development Preliminary document Specifications in this document are tentative and subject to change. 2. CPU Figure 2.1 shows the register set of the CPU. Figure 2.1 Register Set of the CPU Note 1. The stack pointer (SP) can be the interrupt stack pointer (ISP) or user stack pointer (USP), according to the value of the U bit in the PSW. USP (User stack pointer) ISP (Interrupt stack pointer) INTB (Interrupt table register) PC (Program counter) PSW (Processor status word) BPC (Backup PC) BPSW (Backup PSW) FINTV (Fast interrupt vector register) FPSW (Floating-point status word) R15 R14 R13 R12 R11 R10 R9 R8 R7 R6 R5 R4 R3 R2 R1 R0 (SP)*1 General-purpose register Control register b31 b0 b31 b0 DSP instruction register b63 b0 ACC (Accumulator) |
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