UPD784938 Datasheet, PDF (306/733 Pages) NEC – 16-Bit Single-Chip Microcontrollers

CHAPTER 11 TIMER/EVENT COUNTER 2
(2) Programmable square-wave output
Outputs square waves independently to the timer output pins (TO2 and TO3).
Table 11-2. Timer/Event Counter 2 Programmable Square-Wave Output Setting Range
Minimum Pulse Width
4/fXX
(0.32 µs)
8/fXX
(0.64 µs)
16/fXX
(1.27 µs)
32/fXX
(2.54 µs)
64/fXX
(5.09 µs)
128/fXX
(10.17 µs)
256/fXX
(20.35 µs)
512/fXX
(40.70 µs)
1,024/fXX
(81.40 µs)
Maximum Pulse Width
2¹⁶ × 4/fXX
(20.8 ms)
2¹⁶ × 8/fXX
(41.7 ms)
2¹⁶ × 16/fXX
(83.4 ms)
2¹⁶ × 32/fXX
(167 ms)
2¹⁶ × 64/fXX
(333 ms)
2¹⁶ × 128/fXX
(667 ms)
2¹⁶ × 256/fXX
(1.33 s)
2¹⁶ × 512/fXX
(2.67 s)
2¹⁶ × 1,024/fXX
(5.33 s)
( ): When fXX = 12.58 MHz
Caution The above table is applicable to use of an internal clock.
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Preliminary User’s Manual U13987EJ1V0UM00