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I Clock Supply
• The timebase timer supplies an operation clock to the resources such as an oscillation stabilization wait
time timer, PPG timer, and watchdog timer. Table 5.1-2 shows the clock cycles supplied from the
timebase timer.
Table 5.1-2 Clock Cycles Supplied from Timebase Timer
Oscillation Stabilization Wait Time*
Watchdog timer
PPG timer
HCLK: Oscillation clock
The parenthesized values are provided at 4-MHz oscillation clock.
*:As the oscillation cycle is unstable immediately after oscillation starts, standard oscillation
stabilization wait time values are given as a guide.
Where to Supply Clock
CHAPTER 5 Timebase timer
Clock Cycle
10
/HCLK (approx. 256 µs)
2
13
2
/HCLK (approx. 2.0 ms)
15
2
/HCLK (approx. 8.2 ms)
17
2
/HCLK (approx. 32.8 ms)
12
2
/HCLK (approx. 1.0 ms)
14
2
/HCLK (approx. 4.1 ms)
16
2
/HCLK (approx. 16.4 ms)
19
2
/HCLK (approx. 131.1 ms)
9
/HCLK (approx. 128 µs)
2
193
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