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ST72774 데이터시트(PDF) 119 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) 119 Page - STMicroelectronics

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PWM/BRM GENERATOR (Cont’d)
Figure 73. Simplified Filtered Voltage Output Schematic with BRM added
Figure 74. Graphical Representation of 4-Bit BRM Added Pulse Positions
VDD
PWMOUT
0V
VDD
OUTPUT
VOLTAGE
0V
BRM = 1
BRM = 0
T
CPU
BRM
EXTENDED PULSE
=
=
0100 bit2=1
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
PWM Pulse Number (0-15)
BRM VALUE
0001 bit0=1
0001 bit0=1
0100 bit2=1
Examples
0110
1111



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