m30833fjgp Renesas Electronics Corporation., m30833fjgp Datasheet - Page 194

• Manufacturer Part Number: m30833fjgp
• Description: Renesas 16/32-bit Single-chip Microcomputer M16c Family / M32c/80 Series
• Manufacturer: Renesas Electronics Corporation.

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R
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3
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2
Figure 15.9 Sawtooth Wave Modulation Operation
0
C
1
9
3 .
8 /
B
0
1
3
0
Sawtooth Waveform as a Carrier Wave
INV14 = 0
("L" active)
INV14 = 1
("H" active)
NOTES:
INV14: Bits in the INVC1 register
The examples of PWM output change are
3
G
The above applies to INVC0 = 01XX110X
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4
a
o r
1. Internal signals. See Figure 15.1.
0 -
n
- Default value of the IDB0 and IDB1 registers: DU0=0, DUB0=1, DU1=1, DUB1=1
Timer A4 One-Shot
Pulse
They are changed to DU0=1, DUB0=0, DU1=1, DUB1=1 by the timer B2 interrupt.
3 .
u
1
p
, 1
3
U-Phase Output
Signal
Timer A4 Start
Trigger Signal
U-Phase Output
Signal
1
(
Signal Wave
2
(1)
M
0
Sawtooth Wave
3
0
(1)
2
(1)
6
Timer B2
C
U-Phase
U-Phase
U-Phase
U-Phase
8 /
Page 171
, 3
(1)
M
3
2
C
f o
8 /
4
3
8
) T
8
Rewrite the IDB0
and IDB1 registers
2
and INVC1 = 010XXX00
Dead time
Dead time
2
15. Three-Phase Motor Control Timer Functions
(X varies depending on each system.)
Transfer the counter to the
three-phase shift register