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REJ03B0267-0101 Rev.1.01 Page 33 of 156 Jul 23, 2010 M16C/5M Group, M16C/57 Group 4. Special Function Registers (SFRs) Notes: 1. The blank areas are reserved. No access is allowed. 2. Hardware reset, power-on reset, voltage monitor 0 reset, or voltage monitor 2 reset. 3. Software reset, watchdog timer reset, oscillator stop detect reset, and voltage monitor 2 reset do not affect the following registers or bit: the VW0C register, and bits VW2C2 and VW2C3 in the VW2C register. 4. This is the reset value when the LVDAS bit of the OFS1 address is 1 during hardware reset 5. 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. 6. This is the reset value after hardware reset, power-on reset, or voltage monitor 0 reset Table 4.2 SFR Information (2) (1) Address Register Symbol Reset Value 0020h 0021h 0022h 40 MHz On-Chip Oscillator Control Register 0 FRA0 XXXX XX00b 0023h 0024h 40 MHz On-Chip Oscillator Control Register 2 FRA2 0XX0 X000b 0025h 0026h Voltage Monitor Function Select Register VWCE 00h 0027h 0028h Voltage Detector 2 Level Select Register VD2LS 0000 0100b (2) 0029h 002Ah Voltage Monitor 0 Control Register VW0C 1100 1X10b (3, 4) 1100 1X11b (3, 5) 002Bh 002Ch Voltage Monitor 2 Control Register VW2C 1000 0X10b (3, 6) 002Dh 002Eh 002Fh 0030h 0031h 0032h 0033h 0034h 0035h 0036h 0037h 0038h 0039h 003Ah 003Bh 003Ch 003Dh 003Eh 003Fh X: Undefined |