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AN2841 Datasheet(PDF) 12 Page - STMicroelectronics

Part # AN2841
Description  This application note deals with the general principles of LED dimming
PDF  31 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN2841 Datasheet(HTML) 12 Page - STMicroelectronics

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Dimming application using an STM32 microcontroller
AN2841
12/31
Figure 9.
Dynamic data preparation - time consumption - block diagram
Figure 10.
Dynamic data preparation - time consumption - real signals
3.1.2
Static data transfer using lookup tables
When using static lookup tables, all data is computed before being sent to the LED drivers.
Static lookup tables are used to convert the brightness value from an 8-, 9-, 10-, 11- or
12-bit representation from the
LEDmap array into the serial stream representing the PWM of
the LED driver outputs.



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