PD17012_15 Datasheet, PDF (215/320 Pages) Renesas Technology Corp – 4-BIT SINGLE-CHIP MICROCONTROLLERS WITH DIGITAL TUNING SYSTEM HARDWARE

µPD17012, 17P012
18.4 Output Waveform of BEEP
The duty cycle of the output waveform of BEEP is 50% except when f = 1 kHz.
The output waveform is shown below.
f = 9 kHz
55.6 µs 55.6 µs
f = 3 kHz
166.7 µs 166.7 µs
f = 1 kHz
555.6 µs
444.4 µs
f = 200 Hz
2.5 ms
2.5 ms
Remark f: Output frequency of BEEP
18.5 Status on Reset
18.5.1 At power-on reset
The P0B0/BEEP0 and P0B1/BEEP1 pins are set in the general-purpose input port mode.
18.5.2 At clock stop
The P0B0/BEEP0 and P0B1/BEEP1 pins are set in the general-purpose input port mode.
18.5.3 At CE reset
The P0B0/BEEP0 and P0B1/BEEP1 pins are set in the general-purpose input port mode.
Data Sheet U10101EJ4V0DS
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