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R5F35M23JFE Datasheet(PDF) 32 Page - Renesas Technology Corp |
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R5F35M23JFE Datasheet(HTML) 32 Page - Renesas Technology Corp |
32 / 159 page REJ03B0267-0101 Rev.1.01 Page 32 of 156 Jul 23, 2010 M16C/5M Group, M16C/57 Group 4. Special Function Registers (SFRs) 4. Special Function Registers (SFRs) 4.1 SFRs An SFR is a control register for a peripheral function. Notes: 1. The blank areas are reserved. No access is allowed. 2. Software reset, watchdog timer reset, oscillator stop detect reset, and voltage monitor 2 reset do not affect the following registers: the VCR1 register and the VCR2 register. 3. Oscillator stop detect reset does not affect bits CM20, CM21, and CM27. 4. The state of bits in the RSTFR register depends on the reset type. 5. This is the reset value when the LVDAS bit of the OFS1 address is 1 during hardware reset. 6. This is the reset value after voltage monitor 0 reset, power-on reset, or when the LVDAS bit of the OFS1 address is 0 during hardware reset. Table 4.1 SFR Information (1) (1) Address Register Symbol Reset Value 0000h 0001h 0002h 0003h 0004h Processor Mode Register 0 PM0 00h 0005h Processor Mode Register 1 PM1 0000 1000b 0006h System Clock Control Register 0 CM0 0100 1000b 0007h System Clock Control Register 1 CM1 0010 0000b 0008h 0009h 000Ah Protect Register PRCR 00h 000Bh 000Ch Oscillation Stop Detection Register CM2 0X00 0010b (3) 000Dh 000Eh 000Fh 0010h Program 2 Area Control Register PRG2C XXXX XX00b 0011h 0012h Peripheral Clock Select Register PCLKR 0000 0011b 0013h 0014h 0015h Clock Prescaler Reset Flag CPSRF 0XXX XXXXb 0016h 0017h 0018h Reset Source Determine Register RSTFR XX0X 001Xb (hardware reset) (4) 0019h Voltage Detector 2 Flag Register VCR1 0000 1000b (2) 001Ah Voltage Detector Operation Enable Register VCR2 000X 0000b (2, 5) 001X 0000b (2, 6) 001Bh 001Ch PLL Control Register 0 PLC0 0X01 X010b 001Dh 001Eh Processor Mode Register 2 PM2 XX00 0X01b 001Fh X: Undefined |
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