261
TIOCA
2
TIOCA
1
TIOCA
0
GRA2
GRA1
GRB2
GRA0
GRB1
GRB0
Value of 16TCNT0
to 16TCNT2
Cleared by compare match with GRB0
H'0000
Figure 8.25 Synchronization (Example)
8.4.4
PWM Mode
In PWM mode GRA and GRB are paired and a PWM waveform is output from the TIOCA pin.
GRA specifies the time at which the PWM output changes to 1. GRB specifies the time at which
the PWM output changes to 0. If either GRA or GRB compare match is selected as the counter
clear source, a PWM waveform with a duty cycle from 0% to 100% is output at the TIOCA pin.
PWM mode can be selected in all channels (0 to 2).
Table 8.4 summarizes the PWM output pins and corresponding registers. If the same value is set in
GRA and GRB, the output does not change when compare match occurs.
Table 8.4
PWM Output Pins and Registers
Channel
Output Pin
1 Output
0 Output
0
TIOCA
0
GRA0
GRB0
1
TIOCA
1
GRA1
GRB1
2
TIOCA
2
GRA2
GRB2
Содержание H8/3060
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Страница 729: ...681 H8 3062F ZTAT or H8 3062F ZTAT R mask version Ports 1 2 5 LED 600 Ω Figure 22 5 Sample LED Circuit ...
Страница 748: ...700 H8 3064F ZTAT B mask version Ports 1 2 5 LED 600 Ω Figure 22 8 Sample LED Circuit ...
Страница 777: ...729 H8 3062F ZTAT B mask version Ports 1 2 5 LED 600 Ω Figure 22 14 Sample LED Circuit ...
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