THREE-PHASE WAVEFORM MODE
10.2 Block description
(1) Three-phase output polarity set buffer (bit 3)
This bit serves as the buffer to set the output polarity of the three-phase waveform and is used in
three-phase mode 1. (Refer to section “10.2.9 Output polarity set toggle flip-flop.”)
(2) Three-phase mode select bit (bit 4)
This bit is used to select three-phase mode 0 or 1.
(3) Dead-time timer trigger select bit (bit 6)
This bit is used to select a trigger of the dead-time timer.
The saw-tooth-wave modulation requires that this bit is fixed to “0.”
(4) Waveform output control bit (bit 7)
Setting of this bit to “1” allows the three-phase waveform output from the three-phase waveform output
pins. Clearance of this bit to “0” makes the three-phase waveform output pins floating.
When a falling edge is input to pin P6OUTCUT, this bit becomes “0.” (See Figure 10.2.15.)
7906 Group User’s Manual Rev.2.0
10-6
RENESAS [ RENESAS TECHNOLOGY CORP ]
