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AS3543 Datasheet(PDF) 70 Page - ams AG

Part # AS3543
Description  High End Stereo Audio Codec wi th System PMU
PDF  92 Pages
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Manufacturer  AMSCO [ams AG]
Direct Link  http://www.ams.com
Logo AMSCO - ams AG

AS3543 Datasheet(HTML) 70 Page - ams AG

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www.austriamicrosystems.com
Revision 1.11
69 - 91
AS3543 3v2
Data Sheet - R e g i s t e r D e f i n i t i o n
Table 65. AVDD17 Register
Name
Base
Default
AVDD17
2-wire serial
00h
Offset: 18h-7
AVDD17 Control Register
This is an extended register and needs to be enabled by writing 111b to Reg. 1Ch first.
This register is reset at a AVDD27-POR.
Bit
Bit Name
Default
Access
Bit Description
7
AVDD17_OFF
0
R/W
Switches off AVDD17 regulator
0: normal mode
1: AVDD17 switched off, no audio functions possible
6
-
0
n/a
5
PRG_AVDD17
0
R/W
Selects the output voltage control mode for AVDD17
0: AVDD17 is in default mode (1.7V)
1: AVDD17 is register controlled (Reg. 18-7h)
4:0
VSEL_AVDD17<4:0>
0000
R/W
Sets the LDO output voltage in register control mode (default
voltage of the regulator is 1.7V)
0x00-0x1F: 1.65V + VSEL*100mV -> (1.65V-3.2V)
Table 66. CHGVBUS1 Register
Name
Base
Default
CHGVBUS1
2-wire serial
00h
Offset: 19h-1
Charger / VBUS 1 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 AVDD27-POR.
Bit
Bit Name
Default
Access
Bit Description
7
BAT_TEMP_OFF
0
R/W
0: enables 15uA supply for external 100k NTC resistor
1: disables supply
6:4
CHG_I<2:0>
000
R/W
set maximum charging current during constant current
charging
111: 460 mA
110: 420 mA
101: 350 mA
100: 280 mA
011: 210 mA
010: 140 mA
001: 70 mA
000: 55 mA
3:1
CHG_V<2:0>
000
R/W
set maximum charger voltage in 50mV steps for the constant
voltage charging
111: 4.25 V
110: 4.2 V
..
001: 3.95 V
000: 3.9 V
0
CHG_OFF
0
R/W
0: enables Charger
1: disables Charger



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