AK4650 Datasheet, PDF (74/86 Pages) Asahi Kasei Microsystems – 16Bit ΔΣ CODEC with MIC/HP/SPK-AMP & TSC

[AK4650]
■ Power Management (26H)
PR6-0: Power Management (Table 6)
Default: “0000011” (ADC, DAC Power down)
REF: Internal VREF Power-up (Read only)
0: NOT Ready
1: Ready
ANL: Analog Mixer Power-up (Read only)
0: NOT Ready
1: Ready
DAC: DAC ready to accept data (Read only)
0: NOT Ready
1: Ready
ADC: ADC ready to transmit data (Read only)
0: NOT Ready
1: Ready
■ Extended Audio Status & Control (2AH)
VRA: Enables Variable Rate Audio mode in conjunction with Audio Sample Rate Control Registers and
tag-bit/SLOTREQ signaling.
0: OFF(default). PLL is powered-down.
1: ON
■ Audio Sample Rate control Registers (2CH, 32H)
SR15-0: Sample Rate Control for DAC (2CH) and ADC (32H) (Table 4, Table 5)
Default: “BB80H”(48kHz)
These Sample Rate setting is done at VRA bit = “1”.
MS0502-E-01
- 74 -
2007/04