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ST72734 Fiches technique(PDF) 120 Page - STMicroelectronics

No de pièce ST72734
Description  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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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST72734 Fiches technique(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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