AS3675 datasheet(33/81 Pages) AMSCO

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AS3675

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

8.4.3 Current Sinks RGB1, RGB2, RGB3

These current sinks have a resolution of 8 bits and can sink up to 38.25mA.

Table 40. Pattern control

Addr: 18h

Pattern control

This register controls the LED pattern

Bit

Bit Name

Default Access

Description

curr30_pattern

R/W

Additional CURR33 LED pattern control bit

CURR30 controlled according curr30_mode

CURR30 controlled by LED pattern generator

curr31_pattern

R/W

Additional CURR33 LED pattern control bit

CURR31 controlled according curr31_mode

CURR31 controlled by LED pattern generator

curr32_pattern

R/W

Additional CURR33 LED pattern control bit

CURR32 controlled according curr33_mode

CURR32 controlled by LED pattern generator

curr33_pattern

R/W

Additional CURR33 LED pattern control bit

CURR33 controlled according curr33_pattern

CURR33 controlled by LED pattern generator

Table 41. Current Sinks RGB1, RGB2, RGB3 Parameters

Symbol

Parameter

Condition

Min

Typ

Max

Unit

IBIT7

Current sink if Bit7 = 1

For V(RGBx) > 0.2V

19.2

IBIT6

Current sink if Bit6 = 1

9.6

IBIT5

Current sink if Bit5 = 1

4.8

IBIT4

Current sink if Bit4 = 1

2.4

IBIT3

Current sink if Bit3 = 1

1.2

IBIT2

Current sink if Bit2 = 1

0.6

IBIT1

Current sink if Bit1 = 1

0.3

IBIT0

Current sink if Bit0 = 1

0.15

Δm

matching Accuracy

RGB1, RGB2, RGB3

-10

+10

absolute Accuracy

-15

+15

VRGBX

Voltage compliance

0.2

CPO

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