THREE-PHASE WAVEFORM MODE
10.3 Three-phase mode 0
Timer A3 interrupt
Setting of output width of each phase of timers A0
through A2
(b15)
b7
(b8)
b0 b7
Timer A0 register
(addresses 4716, 4616
Timer A1 register
(addresses 4916, 4816
Timer A2 register
b0
)
)
(addresses 4B16, 4A16
)
A value in the range from “000016” to
“FFFF16” is set.
Saw-tooth-wave modulation
Triangular wave modulation
Setting of U-,V-,W-phase output polarity set buffer
: reversed
b7
b0
Three-phase output
data register 0
(address A816
)
W-phase output polarity set buffer
0 : “H” output
1 : “L” output
Bit 3 is reversed.
b7
b0
Three-phase output
data register 1
(address A916
)
V-phase output polarity set buffer
0 : “H” output
1 : “L” output
U-phase output polarity set buffer
0 : “H” output
1 : “L” output
Bits 4 and 5 are reversed.
Timer A0/A1/A2 data calculation for the next time
Interrupt processing is completed.
Fig. 10.3.3 Data-updating example in three-phase mode 0
7906 Group User’s Manual Rev.2.0
10-20
RENESAS [ RENESAS TECHNOLOGY CORP ]
