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R8C2K Datasheet(PDF) 34 Page - Renesas Technology Corp |
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R8C2K Datasheet(HTML) 34 Page - Renesas Technology Corp |
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34 / 471 page  R8C/2K Group, R8C/2L Group 4. Special Function Registers (SFRs) Rev.1.10 Dec 21, 2007 Page 17 of 450 REJ09B0406-0110 4. Special Function Registers (SFRs) An SFR (special function register) is a control register for a peripheral function. Tables 4.1 to 4.7 list the special function registers. Table 4.1 SFR Information (1)(1) X: Undefined NOTES: 1. The blank regions are reserved. Do not access locations in these regions. 2. Software reset, watchdog timer reset, voltage monitor 1 reset, or voltage monitor 2 reset do not affect this register. 3. The LVD0ON bit in the OFS register is set to 1 and hardware reset. 4. Power-on reset, voltage monitor 0 reset, or the LVD0ON bit in the OFS register is set to 0 and hardware reset. 5. Software reset, watchdog timer reset, voltage monitor 1 reset, or voltage monitor 2 reset do not affect b2 and b3. 6. The CSPROINI bit in the OFS register is set to 0. Address Register Symbol After reset 0000h 0001h 0002h 0003h 0004h Processor Mode Register 0 PM0 00h 0005h Processor Mode Register 1 PM1 00h 0006h System Clock Control Register 0 CM0 01101000b 0007h System Clock Control Register 1 CM1 00100000b 0008h 0009h 000Ah Protect Register PRCR 00h 000Bh 000Ch Oscillation Stop Detection Register OCD 00000100b 000Dh Watchdog Timer Reset Register WDTR XXh 000Eh Watchdog Timer Start Register WDTS XXh 000Fh Watchdog Timer Control Register WDC 00X11111b 0010h Address Match Interrupt Register 0 RMAD0 00h 0011h 00h 0012h 00h 0013h Address Match Interrupt Enable Register AIER 00h 0014h Address Match Interrupt Register 1 RMAD1 00h 0015h 00h 0016h 00h 0017h 0018h 0019h 001Ah 001Bh 001Ch Count Source Protection Mode Register CSPR 00h 10000000b(6) 001Dh 001Eh 001Fh 0020h 0021h 0022h 0023h High-Speed On-Chip Oscillator Control Register 0 FRA0 00h 0024h High-Speed On-Chip Oscillator Control Register 1 FRA1 When shipping 0025h High-Speed On-Chip Oscillator Control Register 2 FRA2 00h 0026h 0027h 0028h 0029h 002Ah 002Bh High-Speed On-Chip Oscillator Control Register 6 FRA6 When Shipping 002Ch High-Speed On-Chip Oscillator Control Register 7 FRA7 When Shipping 0030h 0031h Voltage Detection Register 1(2) VCA1 00001000b 0032h Voltage Detection Register 2(2) VCA2 00h(3) 00100000b(4) 0033h 0034h 0035h 0036h Voltage Monitor 1 Circuit Control Register(5) VW1C 00001000b 0037h Voltage Monitor 2 Circuit Control Register(5) VW2C 00h 0038h Voltage Monitor 0 Circuit Control Register(2) VW0C 0000X000b(3) 0100X001b(4) 0039h 003Ah 003Eh 003Fh |
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