RA8804 CE
8.13. Flow chart
The following flow-chart is one example, but it is not necessarily applicable for every use-case and not necessarily the most
effective process for individual applications.
1) An example of the initialization
Ex.1 Initialize
Initialization
Reg0Dh
Reg0Dh
Reg0Fh
Setting the present time
Reg0h6h
Setting the Alarm function
Setting the Timer function
Setting the Update function
Reg19h
Temperature compensation
function
Next processing
Set TE bit to "0".
Set FSEL1,0 bitoptionally.
SET TEST bit to "0".
Clear VDET, VLF bit to "0".
Set AIE,TIE, UIE bit to "0"to prevent unprepared interruption output.
Set the present time.
Setting the present time concerned, please refer to item of [Clock and
calendar writing].
Set the Alarm interrupt function.
When the alarm interrupt function is not being used, the Alarm registers
can be used as a RAM register. In such cases, be sure to write "0" to the AIE
bit.
Set the fixed-cycle Timer function.
When the fixed-cycle timer function is not being used, the Timer Counter
register can be used as a RAM register. In such cases,
stop the fixed-cycle timer function by writing "0" to the TE and TIE bits.
Set the Update interrupt function.
Writes 00h.
Disable output of SOUT.
Set the interval of a temperature compensation operation
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ETM60E-02