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ST72774 데이터시트(PDF) 120 Page - STMicroelectronics

부품명 ST72774
상세설명  8-BIT USB MCU FOR MONITORS, WITH UP TO 60K OTP, 1K RAM, ADC, TIMER, SYNC, TMU, PWM/BRM, H/W DDC & I2C
PDF  144 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST72774 데이터시트(HTML) 120 Page - STMicroelectronics

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PWM/BRM GENERATOR (Cont’d)
4.9.3.2 PWM/BRM OUTPUTS
The PWM/BRM outputs are assigned to dedicated
pins.
If necessary, these pins can be used in push-pull
or open-drain modes under software control.
In
these
pins,
the
PWM/BRM
outputs
are
connected to a serial resistor which must be taken
into account to calculate the RC filter.
Figure 75. Precision for PWM/BRM Tuning for VOUTEFF (After filtering)
VDD
STEPS
64
63
60
61
62
0F
VDD
64
each
sub steps of VDD
1024
each
16
sub steps of
each
VDD
4096
12
34
1
5
10
15
10
1
20
40
50
63
64
6 - Bit
PWM
4 - Bit
BRM
or
6 - Bit
BRM
0



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