m37905 Renesas Electronics Corporation., m37905 Datasheet - Page 236

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

Fig. 10.3.1 Initial setting example for registers relevant to three-phase mode 0 (1)
Timers A0 through A3 are inactive.
Setting of waveform output mode register
Setting of dead-time timer
b7
b7
b7
0
Setting of three-phase output data register 0, 1
b7
b7
0
0 0 0 0
1
0
A value in the range from “00
is set.
0
0 0
b0
b0
b0
0
b0
b0
: It may be either “0” or “1.”
: It may be either “0” or “1.”
Waveform output mode register
(address A6
Stops counting in timer A0.
Stops counting in timer A1.
Stops counting in timer A2.
Stops counting in timer A3.
Dead-time timer trigger
select bit
Waveform outout is disabled.
Three-phase output data register 0
(address A8
Released from W-phase output
fixation.
Released from V-phase output
fixation.
Released from U-phase output
fixation.
W-phase output polarity set buffer
Three-phase mode 0
Count start register 0
(address 40
Clock-source-of-dead-time-timer
select bits
V-phase output polarity set buffer
Three-phase output data register 1
(address A9
U-phase output polarity set buffer
Dead-time timer
(address A7
0 : “H” output
1 : “L” output
b7 b6
0 0 : f
0 1 : f
1 0 : f
0 : Falling and Rising edges
1 : Falling edge of one-shot
0 : “H” output
1 : “L” output
0 : “H” output
1 : “L” output
of one-shot pulse
pulse
2
2
2
/2
/4
16
16
16
16
16
)
)
)
)
)
7905 Group User’s Manual Rev.1.0
THREE-PHASE WAVEFORM MODE
16
” to “FF
16
”
(b15)
(b15)
Setting of timers A0 through A2 to one-shot pulse mode
Setting of timer A3 to timer mode
Setting of timer A3 interrupt priority level
Setting of period of timer A3’s carrier wave
Setting of timer A0/A1/A2 interrupt request to “disabled”
Setting of output width of each phase of timers A0
through A2
b7
b7
b7
b7
b7
b7
0
0
(b8)
(b8)
1 1
0
b0
b0
Continues to the next page.
0
0
b7
b7
0
0
0 0
A value in the range from “0000
“FFFF
A value in the range from “0000
“FFFF
0
1
10.3 Three-phase mode 0
b0
b0
b0
0
b0
b0
b0
0
0
16
16
” is set.
” is set.
Timer A0/A1/A2 mode register
(addresses 56
Timer A3 mode register
(address 59
Timer A0/A1/A2 interrupt
control register
(addresses 75
Timer A3 interrupt control register
(address 78
Timer A0 register
(addresses 47
Timer A1 register
(addresses 49
Timer A2 register
(addresses 4B
Timer A3 register
(addresses 4D
Timer A3 interrupt priority level
When not using the TA3
(in other words, the TA3
is used as a programmable I/O
port pin.), be sure to clear this
bit to “0.”
Count source select bits
Interrupt disabled
Count source select bits
No Interrupt request
No Interrupt request
Set to one of levels 1 through 7.
(See Table 7.2.3.)
(See Table 7.2.3.)
16
16
)
)
16
16
16
16
16
16
, 46
, 48
to 58
to 77
, 4A
, 4C
16
16
16
16
16
16
16
16
)
)
)
)
)
)
” to
” to
OUT
OUT
pin
pin
10-19