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AS3606 Datasheet(PDF) 41 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) 41 Page - ams AG

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www.austriamicrosystems.com
Revision 1.03
40 - 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 23. DCDC_Cntr Register
Name
Base
Default
DCDC_Cntr
2-wire serial
00h
Offset: 17h-5
DC/DC Step Down Control Register
This is an extended register and needs to be enabled by writing 101b to Reg. 1Ch first.
This register is reset at a VDD27-POR or XRES input.
Bit
Bit Name
Default
Access
Bit Description
7
CFM_CVDD23_OFF
0
R/W
Disables pulse skip mode for DCDC2 and DCDC3
0: current force mode / pulse skip enabled
1: current force mode / pulse skip disable
6
CFM_CVDD1_OFF
0
R/W
Disables pulse skip mode for DCDC1
0: current force mode / pulse skip enabled
1: current force mode / pulse skip disable
5
CVDD23_FREQ
0
R/W
Selects the switching frequency for DCDC2 and DCDC 3
0: 2MHz
1: 1MHz
4
CVDD1_FREQ
0
R/W
Selects the switching frequency for DCDC1
0: 2MHz
1: 1MHz
3:2
DVM_CVDD23<1:0>
00
R/W
Configures the dynamic voltage management (output voltage slope) for
CVDD2 and CVDD3
00: immediate change of the output voltage
01: 32µs/step
10: 128µs/step
11: 512µs/step
1:0
DVM_CVDD1<1:0>
00
R/W
Configures the dynamic voltage management (output voltage slope) for
CVDD1
00: immediate change of the output voltage
01: 32µs/step
10: 128µs/step
11: 512µs/step


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