AK4648 Datasheet, PDF (86/119 Pages) Asahi Kasei Microsystems – Stereo CODEC with MIC/HP/SPK-AMP

[AK4648]
Addr
01H
Register Name
Power Management 2
R/W
Default
D7
D6
D5
D4
D3
HPZ HPMTN PMHPL PMHPR M/S
R/W
R/W
R/W
R/W
R/W
0
0
0
0
0
PMPLL: PLL Power Management
0: EXT Mode and Power-Down (default)
1: PLL Mode and Power-up
MCKO: Master Clock Output Enable
0: Disable: MCKO pin = “L” (default)
1: Enable: Output frequency is selected by PS1-0 bits.
PMHPC: Headphone-Amp’s Common Buffer Power Management
0: Power-down (default)
1: Power-up
M/S: Master / Slave Mode Select
0: Slave Mode (default)
1: Master Mode
PMHPR: Headphone-Amp Rch Power Management
0: Power-down (default)
1: Power-up
PMHPL: Headphone-Amp Lch Power Management
0: Power-down (default)
1: Power-up
HPMTN: Headphone-Amp Mute Control
0: Mute (default)
1: Normal operation
HPZ: Headphone-Amp Pull-down Control
0: Shorted to GND (default)
1: Pulled-down by 200kΩ (typ.)
This bit is enabled when Lch or Rch of Headphone-amp is powered-down.
D2
PMHPC
R/W
0
D1
MCKO
R/W
0
D0
PMPLL
R/W
0
MS0625-E-01
- 86 -
2007/06