THREE-PHASE WAVEFORM MODE
10.3 Three-phase mode 0
Setting of timers A0 through A2 to one-shot pulse mode
Timers A0 through A3 are inactive.
b7
b0
b7
b0
Timer A0/A1/A2 mode register
Count start register 0
(address 4016
0
1
1
0
1
0
0
0
0
0
(addresses 5616 to 5816
)
)
Stops counting in timer A0.
Stops counting in timer A1.
Stops counting in timer A2.
Stops counting in timer A3.
Count source select bits
(See Table 7.2.3.)
Setting of timer A3 to timer mode
b7
b0
Timer A3 mode register
0
0
0
0
0
0
(address 5916
)
Setting of waveform output mode register
b7
b0
Count source select bits
(See Table 7.2.3.)
Waveform output mode register
0
➀ 0 ➀ 1
0
0
(address A616
)
Three-phase mode 0
Dead-time timer trigger
select bit
0 : Falling and Rising edges
of one-shot pulse
1 : Falling edge of one-shot
pulse
Setting of timer A0/A1/A2 interrupt request to “disabled”
b7
b0
Timer A0/A1/A2 interrupt
control register
0
0
0
0
Waveform outout is disabled.
(addresses 7516 to 7716
)
➀ : It may be either “0” or “1.”
Interrupt disabled
No Interrupt request
Setting of dead-time timer
b7
b0
Setting of timer A3 interrupt priority level
Dead-time timer
(address A716
b7
b0
)
Timer A3 interrupt control register
0
(address 7816
)
A value in the range from “0016” to “FF16
”
is set.
Timer A3 interrupt priority level
Set to one of levels 1 through 7.
No Interrupt request
Setting of three-phase output data register 0, 1
b7
b0
Three-phase output data register 0
➀ ➀
0
0
0
(address A816
)
Released from W-phase output
fixation.
Setting of period of timer A3’s carrier wave
Released from V-phase output
fixation.
(b15)
b7
(b8)
b0 b7
b0
Timer A3 register
(addresses 4D16, 4C16
Released from U-phase output
fixation.
)
W-phase output polarity set buffer
0 : “H” output
1 : “L” output
A value in the range from “000016” to
“FFFF16” is set.
Clock-source-of-dead-time-timer
select bits
Setting of output width of each phase of timers A0
through A2
b7 b6
0 0 : f
0 1 : f
1 0 : f
2
2
2
/2
/4
(b15)
b7
(b8)
b0 b7
Timer A0 register
(addresses 4716, 4616
Timer A1 register
b0
)
)
b7
b0
(addresses 4916, 4816
Timer A2 register
Three-phase output data register 1
➀ ➀
➀ ➀ ➀ ➀
(address A916
)
(addresses 4B16, 4A16
)
V-phase output polarity set buffer
0 : “H” output
1 : “L” output
A value in the range from “000016” to
“FFFF16” is set.
U-phase output polarity set buffer
0 : “H” output
1 : “L” output
➀ : It may be either “0” or “1.”
Continues to the next page.
Fig. 10.3.1 Initial setting example for registers relevant to three-phase mode 0 (1)
7906 Group User’s Manual Rev.2.0
10-18