m37905 Renesas Electronics Corporation., m37905 Datasheet - Page 251
m37905
Manufacturer Part Number
m37905
Description
Mitsubishi 16-bit Single-chip Microcomputer 7700 Family / 7900 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.M37905.pdf
(565 pages)
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A8
by the U/V/W-phase fixed output’s polarity set bit (bits 2 through 0 at address A9
negative phase, the output level is fixed to the reversed level.
set bit (bits 2 through 0 at address A9
(three-phase mode 1).
THREE-PHASE WAVEFORM MODE
10.5 Three-phase waveform output fixation
10.5 Three-phase waveform output fixation
In the three-phase waveform output, by setting of the U/V/W-phase output fix bit (bits 2 through 0 at address
The U/V/W-phase output fix bit serves synchronously with a timer A3 interrupt request.
While the fixed level is output, be sure not to change the value of the U/V/W-phase fixed output’s polarity
Figure 10.5.1 shows a triangular wave modulation output example using the U/V/W-phase output fix bit
10-34
16
) to “1,” the output level of each phase can be fixed. The output level to be fixed (positive phase) is set
The contents of the above bits become valid synchronously with the next timer A3 interrupt request, and
Each of the positive and negative waveform outputs is not allowed to become “L” level from “H” level
By software, set the following bits:
The output fixation is also terminated synchronous with a timer A3 interrupt request.
• the U/V/W-phase output fix bit (bits 2 through 0 at address A8
• the U/V/W-phase fixed output’s polarity set bit (bits 2 through 0 at address A9
then, the output level of the positive waveform is fixed to the level which was set by the U/V/W-phase
fixed output’s polarity set bit. In the case of the negative phase, the output level is fixed to the reversed
level.
until the reversed signal of the one-shot pulse output of the dead-time timer rises.
7905 Group User’s Manual Rev.1.0
16
).
16
)
16
); in the case of the
16
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