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STP1612PW05 データシート(PDF) 18 Page - STMicroelectronics

部品番号 STP1612PW05
部品情報  16-channel LED driver with 16-bit PWM, 8-bit gain and full LED error detection
PDF  35 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STP1612PW05 データシート(HTML) 18 Page - STMicroelectronics

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Setting the PWM gray scale counter
STP1612PW05
18/35
Doc ID 15819 Rev 4
9
Setting the PWM gray scale counter
STP1612PW05 provides a 12-bit or 16-bit PWM color depth. Each serial data input will be
implemented according to the e-PWM algorithm.
9.1
PWM data synchronization
STP1612PW05 defines the different counting algorithms that support e-PWM, technology,
(scrambled PWM). With e-PWM, the total PWM cycles can be broken down into MSB (most
significant bits) and LSB (least significant bits) of gray scale cycles, and the MSB
information can be dithered across many refresh cycles to achieve overall same high bit
resolution. STP1612PW05 also allows changing different counting algorithms and provides
the best output linearity when there are fewer transitions of output.
Figure 8.
12-bit e-PWM operation example
PWCLK
PWCLK
PWCLK
PWCLK
PWCLK



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