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S5D4100X Datasheet(PDF) 46 Page - Samsung semiconductor

Part No. S5D4100X
Description  Digital Interface Including Scaler, Image Enhancement
Download  94 Pages
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Maker  SAMSUNG [Samsung semiconductor]
Homepage  http://www.samsung.com/Products/Semiconductor
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S5D4100X Datasheet(HTML) 46 Page - Samsung semiconductor

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DATASHEET
S5D4100X
46
5.12.4 Pulse Width Modulation (PWM)
PWM lets the high and low signal to have a regular width. S5D4100X has 2 PWMs; PWM0 and PWM1. To use
the PWMs, Register PWM0_SEL and PWM1_SEL should be set to HIGH. In order to set PWM,
PWM_PRE_SCALE should be set first. Register PWM_PRE_SCALE is 0 ~ 3, which makes PRE_SCALER to
generate the clocks of bypass, 2-division, 4-division and 8-division, respectively, of CKOSC. PWM0/1 use the
PRE_SCALER output as the clock, and send the HIGH signals in the unit of 256 clock for the value set in Register
PWM_DATA0/1. If the final Register PWM_EN in the last output buffer is 1, the signal generated in PWM0/1 is
displayed, and if it is 0, the function is disabled, and LOW signal is sent continuously. Then the signal is
multiplexed by Register PWM0/1_SEL.
PRE_SCALE
PWM0
PWM1
CKOSC
PWM_DATA0
PWM_DATA1
PWM_PRE_SCALE
PWM0
PWM1
1
0
1
0
PWM0_SEL
GPO0
GPO1
PWM1_SEL
PWM_EN
Figure 37. PWM
5.12.5 General Purpose Outputs (GPO's)
General Purpose Output (GPO) sends HIGH or LOW signal to Pins GO0~GO5 for the value set in GPO0 ~ GPO5
when Register SERIAL_ON is HIGH, and MCU controls the register. The product has 6 GPOs; GPO0 ~ GPO5.
GPO0 and GPO1 can be sent to Pins PWM0/PWM1, regardless of Register SERIAL_ON, if Register PWM0_SEL
and PWM1_SEL are LOW.


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