10
7
6.13 Power Supply Controller Initial Values
The register values for the power supply controller vary depending on the following conditions. Under
condition A, all the power supply controller registers are initialized. The initial value of each register is given in
the description of each register in this manual.
For register values under conditions A to D, refer to the following table of RTC registers.
[Condition]
Condition A: The power is turned ON.
The hard reset switch (SW4) is pressed.
Condition B: The power is turned OFF.
The RESTCR SORES bit has been set to “1.”
The RESTCR SWRES bit has been set to “1,” and the reset switch (SW2) has been pressed.
Condition C: The RESTCR SWES bit has been cleared to zero and the
reset switch (SW2) has been pressed.
Condition D: The SPOWCR1 SPOWER bit has been set to “0.”
Table 6.13 Values under RTC Register Conditions
Register
Abbreviation
Condition A
Condition B
Condition C
Condition D
RTC control register
RTCCR
Initial value
Initial value
Hold
Initial value
RTC status register
RTCSR
Initial value
Hold
Hold
Hold
Second counter
SECCNT
Initial value
Operation
Operation
Operation
Minute counter
MINCNT
Initial value
Operation
Operation
Operation
Hour counter
HRCNT
Initial value
Operation
Operation
Operation
Day-of-the-week counter
WKCNT
Initial value
Operation
Operation
Operation
Day counter
DAYCNT
Initial value
Operation
Operation
Operation
Month counter
MONCNT
Initial value
Operation
Operation
Operation
Year counter
YRCNT
Initial value
Operation
Operation
Operation
Second alarm counter
SECAR
Initial value
Hold
Hold
Hold
Minute alarm counter
MINAR
Initial value
Hold
Hold
Hold
Hour alarm counter
HRAR
Initial value
Hold
Hold
Hold
Day-of-the-week alarm counter
WKAR
Initial value
Hold
Hold
Hold
Day alarm counter
DAYAR
Initial value
Hold
Hold
Hold
Month alarm counter
MONAR
Initial value
Hold
Hold
Hold
RTC/Touch Panel/Key Input/Power Supply status register
RTKISR
Initial value
Initial value
Hold
Initial value