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AS3607 Datasheet(PDF) 44 Page - ams AG

Part # AS3607
Description  System PMU with HV Back Light Driver
PDF  71 Pages
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Manufacturer  AMSCO [ams AG]
Direct Link  http://www.ams.com
Logo AMSCO - ams AG

AS3607 Datasheet(HTML) 44 Page - ams AG

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www.austriamicrosystems.com
Revision 1.03
43 - 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 28. PVDD4 Register
Name
Base
Default
PVDD4
2-wire serial
00h
Offset: 18h-4
PVDD4 Control Register
This is an extended register and needs to be enabled by writing 100b to Reg. 1Ch first.
This register is reset at a VDD27-POR or XRES input.
Bit
Bit Name
Default
Access
Bit Description
7
PVDD4_ON
0
R/W
Enables PVDD4 regulator
0: PVDD4 switched off
1: PVDD4 switched on
6
ILIM_H_PVDD4
0
R/W
Selects the higher current limit for PVDD4
0: default mode, 150mA
1: 250mA mode
5
LP_PVDD4
0
R/W
Selects the low power mode for PVDD4
0: PVDD4 is in normal operation
1: PVDD4 supply current is reduced
4:0
VSEL_PVDD4<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 29. VDD27 Register
Name
Base
Default
VDD27
2-wire serial
00h
Offset: 18h-5
VDD27 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
PRG_VDD27
0
n/a
Selects the output voltage control mode for VDD27
0:VDD27 is in default mode
1: VDD27 is register controlled (Reg. 18-5h)
6
ILIM_H_VDD27
0
R/W
Selects the higher current limit for VDD27
0: default mode, 100mA
1: 200mA mode
5
LP_VDD27
0
R/W
Selects the low power mode for VDD27
0: VDD27 is in normal operation
1: VDD27 supply current is reduced
5-
0
n/a
3:0
VSEL_VDD27<3:0>
0000
R/W
Sets the LDO output voltage in register control mode (default voltage of the
regulator is 2.7V)
0x0-0x2: 2.3V
0x3-0xF: 2.0V + VSEL*100mV
→ (2.3V-3.5V)



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