TMP93CS32F datasheet(73/180 Pages) TOSHIBA

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TMP93CS32

2004-02-10

93CS32-71

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4) Comparator

A comparator compares the value in the up counter with the values to which the timer

(INTT0, INTT1, INTT2, INTT3) is generated. If the timer flip-flop inversion is enabled, the

timer flip-flop is inverted at the same time.

(5) Timer flip-flop (Timer F/F: TFF1, TFF3)

The timer flip-flop (TFF1, TFF3) is a flip-flop inverted by the match detect signal (8-bit

comparator output) of each interval timer.

Inverting is disabled or enabled by the timer flip-flop control register TFFCR<TFF3IE,

TFF1IE>.

After reset operation, the value of TFF1 and TFF3 is undefined. Writing “01” or “10” to

TFFCR<TFF3C1:0, TFF1C1:0> sets “0” or “1” to TFF1, TFF3. Additionally, writing “00” to

this bit inverts the value of TFF1, TFF3 (Software inversion).

The signal of TFF3 is output through the TO3 pin (Also used as P41). When using as the

timer output, the timer flip-flop should be set by port 4 function register P4FC beforehand.

The output pin of TFF1 does not exist.

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