AS3661 datasheet(43/87 Pages) AMSCO

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AS3661

Datasheet - D e t a i l e d D e s c r i p t i o n

Table 18. LED5 CONTROL Register

LED1 CONTROL

Bit

Bit Name

Default

Access

Bit Description

7:6

LED5_MAPPING

R/W

This register defines the mapping of LED5 output to the master

faders. The faders can either be used for dimming several

LEDs in parallel or for ratiometric control of the output.

00: no master fader selected

01: MASTER FADER 1 controls LED5 output

10: MASTER FADER 2 controls LED5 output

11: MASTER FADER 3 controls LED5 output

LED5_LOG_EN

R/W

This bit is effective for both, program execution engine and

direct PWM control.

0: linear adjustment.

1: logarithmic adjustment.

4:0

LED5_TEMP_COMP

0 0000

R/W

The reference temperature is +25°C (i.e. the temper ature at

which all slope settings have no effect) and the temperature

coefficient (slope) can be set in 0.1 1/°C steps to any value

between -1.5 1/°C and +1.5 1/°C, with a default to 0.0 1/°C

11111: -1.5 1/°C

11110: -1.4 1/°C

...

00000: temperature compensation not activated

...

01110: +1.4 1/°C

01111: +1.5 1/°C

Table 19. LED6 CONTROL Register

LED6 CONTROL

Bit

Bit Name

Default

Access

Bit Description

7:6

LED6_MAPPING

R/W

This register defines the mapping of LED6 output to the master

faders. The faders can either be used for dimming several

LEDs in parallel or for ratiometric control of the output.

00: no master fader selected

01: MASTER FADER 1 controls LED6 output

10: MASTER FADER 2 controls LED6 output

11: MASTER FADER 3 controls LED6 output

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