m37905 Renesas Electronics Corporation., m37905 Datasheet - Page 240

• Manufacturer Part Number: m37905
• Description: Mitsubishi 16-bit Single-chip Microcomputer 7700 Family / 7900 Series
• Manufacturer: Renesas Electronics Corporation.

Fig. 10.3.4 Triangular wave modulation output example (three-phase mode 0)
Carrier wave
One-shot pulse output of
timer A0/A1/A2
Positive waveform output
Timer A3 interrupt request
Timer A3 underflow signal
Contents of timer A0/A1/A2
register
Contents of U/V/W output
polarity set buffer
Contents of output polarity
set toggle flip-flop
Reversed signal of pulse
output of dead-time timer
Negative waveform output
2
2
2
2
f
Trans-
ferred
i
: Count source of timer A0/A1/A2
1 : Written by software
2 : This is an internal signal, which cannot be read from the external.
n
1
7905 Group User’s Manual Rev.1.0
1/f
THREE-PHASE WAVEFORM MODE
n
i
1
1
Reversed
1
n
2
Transferred
1/f
1
i
n
2
n
Rever-
sed
3
1
10.3 Three-phase mode 0
1/f
Trans-
ferred
i
1
n
3
Reversed
n
4
1
1/f
Transferred
i
1
n
4
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