RX8111CE
Page
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53
ETM61E-01
6) Setting wake-up timer interpunction example
Next processing
Reg
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1A-1C[h]
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write initial data to the Down counter.
Starting count down
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Set TE bit to
“1” to start wake-up timer counter.
Be aware that initial data should be pre-set to counter before starting.
Reg-1F[h]
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Set TIE to "1", for interruption output from INT-pin.
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While TSTP is "1", timer countdown doesn't occur.
When TSTP clears by 0, The Countdown timer works again.
TSTP is useful for working time counter of machine, etc.
Wake-up timer setting
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Clear TE bit to
“0” to inactivate wake-up timer interruption.
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Set TSEL1,
TSEL0 bit combination to count down period (source clock).
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Clear the TF-bit by zero.
Reg-1D[h]
Reg-1E[h]
Figure 43 Example flow (Setting wake-up timer interrupt function)
7) Setting Alarm Example
Next Processing
Reg
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1F[h]
•
Set AIE bit to
“1”, for outputs Alarm interruption from INT-pin.
Reg-1D[h]
•
Specify week alarm or day alarm, by WADA bit.
Reg-1E[h]
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Clear AF-bit by "0".
Alarm setting
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Reset AIE bit to
“0” to inactivate alarm interruption.
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Setup Alarm data.
Reg-1F[h]
Reg
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2C[h],17[h]
19[h]
Figure 44 Example flow (Setting alarm interrupt function)
