AK4650 Datasheet, PDF (75/86 Pages) Asahi Kasei Microsystems – 16Bit ΔΣ CODEC with MIC/HP/SPK-AMP & TSC

[AK4650]
■ Power Management (60H)
PMMIC: MIC Block (MIC-Amp and ALC1) Power Management
0: Power down (default)
1: Power up
PMAUX: AUX Input Power Management
0: Power down (default)
1: Power up
PMMO: Mono Line Output Power Management
0: Power down (default)
1: Power up
PMLIN: Stereo Line Input Power Management
0: Power down (default)
1: Power up
PMBPM: Mono Beep Input Power Management
0: Power down (default)
1: Power up
Even if PMBPM= “0”, the path is still connected between BEEP pin and HP/SPK-Amp. BPMHP and BPMSP
bits should be set to “0” to disconnect these paths, respectively.
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
PMSPK: Speaker-Amp Power Management
0: Power down (default)
1: Power up
MCKPD: XTI pin pull down control
0: Master Clock input enable (default)
1: XTI pin is internally pulled-down
MPWRI: Internal MIC Power Supply Control (Table 11)
0: OFF (default)
1: MIC Power is ON for Internal MIC.
MPWRI bit is enabled when PMMIC bit = “1”.
MPWRE: External MIC Power Supply Control (Table 12)
0: OFF (default)
1: MIC Power is ON for External MIC.
MPWRE bit is enabled when PMMIC bit = “1”.
MS0502-E-01
- 75 -
2007/04