ak4342 AKM Semiconductor, Inc., ak4342 Datasheet - Page 34

• Manufacturer Part Number: ak4342
• Description: 24-bit Stereo Dac With Hp-amp & 2v Line-out
• Manufacturer: AKM Semiconductor, Inc.

ASAHI KASEI
MS0506-E-02
Addr
00H
Register Definitions
PMVCM: Power Management for VCOM Block
PMDAC: Power Management for DAC Blocks
PMHP: Power Management for Headphone Amp
PMCP: Power Management for Charge Pump Circuit
PMLO: Power Management for Line-out Amp
PMAUX: Power Management for Aux Out
All blocks can be powered-down by setting the PDN pin to “L” regardless of register values setup. All blocks can be
also powered-down by setting all bits of this address to “0”. In this case, control register values are maintained.
Register Name
Power Management
Default
0: Power OFF (Default)
1: Power ON
0: Power OFF (Default)
1: Power ON
When PMDAC bit is changed from “0” to “1”, DAC is powered-up with the current register values (ATT
value, sampling rate, etc).
0: Power OFF (Default). HPL/HPR pins become HVSS (0V).
1: Power ON
0: Power OFF (Default)
1: Power ON
0: Power OFF (Default). LOUT/ROUT pins become HVSS (0V).
1: Power ON
0: Power OFF (Default) LAUX and RAUAX pins become AVSS (0V).
1: Power ON
R/W
RD
D7
0
0
RD
D6
0
0
PMAUX
- 34 -
R/W
D5
0
PMLO
R/W
D4
0
PMCP
R/W
D3
0
PMHP
R/W
D2
0
PMDAC
R/W
D1
0
[AK4342]
PMVCM
2006/07
R/W
D0
0