AS1163 datasheet(76/91 Pages) AMSOSRAM

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AS1163

Command and register description

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Addr: 0x4E

READPWMCHN

Bit

Bit name

Default

Access

Bit description

15:0

BLUE_PWM[15:0]

0x0

This is the value to be used for the PWM cycle of the BLUE

LED.

If FAST_PWM@SETUP = “0”, 15 bits [15:1] are used to

realize a 15-bit dynamic range, bit 0 is used for automatic

dithering between 2 consecutives PWM frames.

If FAST_PWM@SETUP = “1”, 14 bits [15:2] are used to

realize a 14-bit dynamic range, bit 1 is used for automatic

dithering between 2 consecutives PWM frames.

When the payload is 3 to 5, returns the PWM register values of the 3 LED drivers after

temperature correction for the specified channel.

Table 32: Format of READPWMCHN register (payload from 3 to 5)

Addr: 0x4E

READPWMCHN

Bit

Bit name

Default

Access

Bit description

47:32

RED_PWM_CORR[14:0]

0x0

This is the value used for the PWM cycle of

the RED LED after the temperature correction

algorithm.

31:16

GREEN_PWM_CORR [14:0]

0x0

This is the value used for the PWM cycle of

the GREEN LED after the temperature

correction algorithm.

15:0

BLUE_PWM_CORR [14:0]

0x0

This is the value used for the PWM cycle of

the BLUE LED after the temperature correction

algorithm.

When the payload is 6 to 8, returns the PWM current measured from the current measurement

ADC for the 3 LEDs for the specified channel.

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