ASAHI KASEI
[AK4367]
Register Definitions
Addr Register Name
00H Power Management
R/W
D7
0
RD
0
D6
0
RD
0
D5
PMMO
R/W
0
D4
MUTEN
D3
D2
D1
PMDAC
D0
PMVCM
PMHPR PMHPL
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
Default
PMVCM: Power Management for VCOM Block
0: Power OFF (Default)
1: Power ON
PMDAC: Power Management for DAC Blocks
0: Power OFF (Default)
1: Power ON
When PMDAC bit is changed from “0” to “1”, DAC is powered-up to the current register values (ATT
value, sampling rate, etc).
PMHPL: Power Management for Lch of Headphone Amp
0: Power OFF (Default). HPL pin becomes VSS(0V).
1: Power ON
PMHPR: Power Management for Rch of Headphone Amp
0: Power OFF (Default). HPR pin becomes VSS(0V).
1: Power ON
MUTEN: Headphone Amp Mute Control
0: Mute (Default). HPL and HPR pins go to VSS(0V).
1: Normal operation. HPL and HPR pins go to 0.45 x VDD.
PMMO: Power Management for Mono Output
0: Power OFF (Default) MOUT pin becomes Hi-Z.
1: Power ON
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.
MS0247-E-02
2005/10
- 30 -
AKM [ ASAHI KASEI MICROSYSTEMS ]
