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RL78/D1A User's Manual: Hardware - Renesas

RL78/D1A User's Manual: Hardware - Renesas

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Under development<br />

Preliminary document<br />

Specifications in this document are tentative and subject to change.<br />

<strong>RL78</strong>/<strong>D1A</strong> CHAPTER 4 PORT FUNCTIONS<br />

TOTICON0 Timer conjunction function control<br />

0 Cut off the connection of TAU unit0 CH1 output to CH0 input<br />

1 Connect TAU unit0 CH1 output to TAU unit0 CH0 input<br />

TOTICON1 Timer conjunction function control<br />

0 Cut off the connection of TAU unit2 CH1 output to CH0 input<br />

1 Connect TAU unit2 CH1 output to TAU unit2 CH0 input<br />

The connection with TOTICONn is used to count external event (pulse) input to TI01/TI21 in long term such as 16-bit<br />

counter is overflowed. Timer array unit 0 channel 1/timer array unit 2 channel 1 is worked as divider of input pulse and<br />

generates slower pulse to TO01/TO21. Timer array unit 0 channel 0/timer array unit 2 channel 0 is worked as external<br />

event counter. Its expected value should be made the calculated value according to timer array unit 0 channel 1/timer<br />

array unit 2 channel 1 divider setting.<br />

R01UH0317EJ0004 Rev. 0.04 248<br />

Feb. 22, 2013

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