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AS3606 Datasheet(PDF) 39 Page - ams AG

Part No. AS3606
Description  System PMU with HV Back Light Driver
Download  71 Pages
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Maker  AMSCO [ams AG]
Homepage  http://www.ams.com
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AS3606 Datasheet(HTML) 39 Page - ams AG

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www.austriamicrosystems.com
Revision 1.03
38 - 70
AS3606 AS3607 2v2
Data Sheet - R e g i s t e r D e f i n i t i o n
Table 19. CVDD1 Register
Name
Base
Default
CVDD1
2-wire serial
00h
Offset: 17h-1
CVDD1 DC/DC Buck Regulator Control Register
This is an extended register and needs to be enabled by writing 001b to Reg. 1Ch first.
This register is reset at a VDD27-POR or XRES input.
Bit
Bit Name
Default
Access
Bit Description
7
CVDD1_fast
0
R/W
Selects a faster regulation mode for CVDD1 suitable for larger load changes.
0: normal mode, Cext=10µF
1: fast mode, Cext=22µF required
6:0
VSEL_CVDD1<6:0>
000000
R/W
The voltage select bits set the DC/DC output voltage level and power the
DC/DC converter down.
00h: DC/DC powered down
01h-40h: CVDD1=0.6V+VSEL_CVDD1*12.5mV
41h-70h: CVDD1=1.4V+(VSEL_CVDD1-40h)*25mV
71h-7Fh: CVDD1=2.6V+(VSEL_CVDD1-70h)*50mV
Table 20. CVDD2 Register
Name
Base
Default
CVDD2
2-wire serial
00h
Offset: 17h-2
CVDD2 DC/DC Buck Regulator Control Register
This is an extended register and needs to be enabled by writing 010b to Reg. 1Ch first.
This register is reset at a VDD27-POR or XRES input.
Bit
Bit Name
Default
Access
Bit Description
7
CVDD2_fast
0
R/W
Selects a faster regulation mode for CVDD2 suitable for larger load changes.
0: normal mode, Cext=10µF
1: fast mode, Cext=22µF required
6:0
VSEL_CVDD2<6:0>
000000
R/W
The voltage select bits set the DC/DC output voltage level and power the
DC/DC converter down.
00h: DC/DC powered down
01h-40h: CVDD1=0.6V+VSEL_CVDD1*12.5mV
41h-70h: CVDD1=1.4V+(VSEL_CVDD1-40h)*25mV
71h-7Fh: CVDD1=2.6V+(VSEL_CVDD1-70h)*50mV


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