HD6433045 HITACHI [Hitachi Semiconductor], HD6433045 Datasheet - Page 364

• Manufacturer Part Number: HD6433045
• Description: Hitachi Single-Chip Microcomputer
• Manufacturer: HITACHI [Hitachi Semiconductor]

10.4.5 Reset-Synchronized PWM Mode
In reset-synchronized PWM mode channels 3 and 4 are combined to produce three pairs of
complementary PWM waveforms, all having one waveform transition point in common.
When reset-synchronized PWM mode is selected TIOCA
TIOCB
counter.
Table 10-5 lists the PWM output pins. Table 10-6 summarizes the register settings.
Table 10-5 Output Pins in Reset-Synchronized PWM Mode
Channel
3
4
Table 10-6 Register Settings in Reset-Synchronized PWM Mode
Register
TCNT3
TCNT4
GRA3
GRB3
GRA4
GRB4
4
, and TOCXB
Output Pin
TIOCA
TIOCB
TIOCA
TOCXA
TIOCB
TOCXB
Setting
Initially set to H'0000
Not used (operates independently)
Specifies the count period of TCNT3
Specifies a transition point of PWM waveforms output from TIOCA
Specifies a transition point of PWM waveforms output from TIOCA
Specifies a transition point of PWM waveforms output from TIOCB
3
3
4
4
4
4
4
automatically become PWM output pins, and TCNT3 functions as an up-
Description
PWM output 1
PWM output 1´ (complementary waveform to PWM output 1)
PWM output 2
PWM output 2´ (complementary waveform to PWM output 2)
PWM output 3
PWM output 3´ (complementary waveform to PWM output 3)
352
3
, TIOCB
3
, TIOCA
4
, TOCXA
3
4
4
and TIOCB
and TOCXA
and TOCXB
4
,
3
4
4