AS3689 datasheet(32/72 Pages) AMSOSRAM

32 / 72 page

AS3689

austriami crosyst ems

Datasheet, Confidential

www.austriamicrosystems.com (mlg, ptr)

Revision 1.0.2 / 20070115

30 - 70

Addr: 18h

Pattern control

This register controls the RGB pattern

Bit

Bit Name

Default

Access

Description

curr32_pattern

R/W

Additional CURR33 LED pattern control bit

0b = CURR32 controlled according curr32_mode register

1b = CURR32 controlled by LED pattern generator

curr33_pattern

R/W

Additional CURR33 LED pattern control bit

0b = CURR33 controlled according curr33_mode register

1b = CURR33 controlled by LED pattern generator

7.4.3 RGB Current Sinks RGB1, RGB2, RGB3 (VANA, cpext)

The RGB1,RGB2, RGB3 are pins with different functionality. These pins can act as current sinks or as external

chargepump. In addition RGB3 can be programmed as Analog LDO supplied by VBAT2

Figure 16 – RGB pin functionality

Battery

VBAT2

RGB1

RGB2

RGB3 (VANA)

Current Sinks

0.15-38.5mA

OLED

Charge Pump

(Alternative Function)

Battery or CPOUT

D13,D14,D15

LDO VANA

1.85-3.4V

150mA

VBAT2

Vref

VANA

CLK1

CLK2

RGB3

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