AK4645 Datasheet, PDF (72/96 Pages) Asahi Kasei Microsystems – Stereo CODEC with MIC/HP-AMP

ASAHI KASEI
[AK4645]
Addr
01H
Register Name
Power Management 2
Default
D7
D6
D5
D4
D3
HPZ HPMTN PMHPL PMHPR M/S
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.
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)
D2
D1
D0
0
MCKO PMPLL
0
0
0
Addr
02H
Register Name
Signal Select 1
Default
D7
D6
0
0
0
0
D5
D4
D3
0
DACL
0
0
0
0
D2
PMMP
0
D1
D0
0
MGAIN0
0
1
MGAIN1-0: MIC-Amp Gain Control (See Table 23)
MGAIN1 bit is D5 bit of 03H.
PMMP: MPWR pin Power Management
0: Power-down: Hi-Z (Default)
1: Power-up
DACL: Switch Control from DAC to Line Output
0: OFF (Default)
1: ON
When PMLO bit is “1”, DACL bit is enabled. When PMLO bit is “0”, the LOUT/ROUT pins go to AVSS.
MS0543-E-00
- 72 -
2006/09