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AS3608 Datenblatt(PDF) 42 Page - ams AG

Teilenummer AS3608
Bauteilbeschribung  System PMU with HV Back Light Driver
PDF  68 Pages
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Hersteller  AMSCO [ams AG]
Direct Link  http://www.ams.com
Logo AMSCO - ams AG

AS3608 Datenblatt(HTML) 42 Page - ams AG

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Revision 1.03
41 - 67
AS3608 2v2
Data Sheet - R e g i s t e r D e f i n i t i o n
Table 26. PVDD2 Register
Name
Base
Default
PVDD2
2-wire serial
00h
Offset: 18h-2
PVDD2 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
PVDD2_ON
0
R/W
Enables PVDD2 regulator
0: PVDD2 switched off
1: PVDD2 switched on
6
ILIM_H_PVDD2
0
R/W
Selects the higher current limit for PVDD2
0: default mode, 150mA
1: 250mA mode
5
LP_PVDD2
0
R/W
Selects the low power mode for PVDD2
0: PVDD2 is in normal operation
1: PVDD2 supply current is reduced
4:0
VSEL_PVDD2<4:0>
00000
R/W
Sets the LDO output voltage in register control mode (default voltage of the
regulator is selected by the boot ROM
0x00-0x0F: 1.2V+VSEL*50mV
→ (1.2V - 1.95V)
0x10-0x1F: 2.0V + (VSEL-0x10)*100mV
→ (2.0V-3.5V)
Table 27. PVDD3 Register
Name
Base
Default
PVDD3
2-wire serial
00h
Offset: 18h-3
PVDD3 Control Register
This is an extended register and needs to be enabled by writing 011b to Reg. 1Ch first.
This register is reset at a VDD27-POR or XRES input.
Bit
Bit Name
Default
Access
Bit Description
7
PVDD3_ON
0
R/W
Enables PVDD3 regulator
0: PVDD1 switched off
1: PVDD1 switched on
6
ILIM_H_PVDD3
0
R/W
Selects the higher current limit for PVDD3
0: default mode, 150mA
1: 250mA mode
5
LP_PVDD3
0
R/W
Selects the low power mode for PVDD3
0: PVDD3 is in normal operation
1: PVDD3 supply current is reduced
4:0
VSEL_PVDD3<4:0>
00000
R/W
Sets the LDO output voltage in register control mode (default voltage of the
regulator is selected by the boot ROM
0x00-0x0F: 1.2V+VSEL*50mV
→ (1.2V - 1.95V)
0x10-0x1F: 2.0V + (VSEL-0x10)*100mV
→ (2.0V-3.5V)



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