ak4564 AKM Semiconductor, Inc., ak4564 Datasheet - Page 33

• Manufacturer Part Number: ak4564
• Description: 16bit Codec With Built-in Alc And Mic/hp/spk-amp
• Manufacturer: AKM Semiconductor, Inc.

ASAHI KASEI
Signal Select 2
MS0140-E-01
Addr
01H
HPDAC: Enable input signal from Headphone-Amp to DAC output
MOUT: Enable mono output [Mixing = (L+R)/2].
AOUT1: Enable LOUT1/ROUT1 output
AOUT2: Enable LOUT2/ROUT2 output
BEEP2S: Enable BEEP2 to Speaker-Amp
BEEP2H: Enable BEEP2 to Headphone-Amp
ALCS: Enable ALC2 to Speaker-Amp
SPPS: Speaker-Amp Power-Save-Mode
Signal Select 2
Default
Register Name
0: OFF (Default)
1: ON
0: OFF (Default)
1: ON
When MOUT bit = “0”, MOUT pin outputs VCOM voltage.
0: OFF (Default)
1: ON
When AOUT1 bit = “0”, the outputs become HVCM voltage and the amps go to
Power-Save-Mode.
0: OFF (Default)
1: ON
When AOUT2 bit = “0”, the outputs become HVCM voltage and the amps go to
Power-Save-Mode.
0: OFF (Default)
1: ON
0: OFF (Default)
1: ON
0: OFF (Default)
1: ON
0: Power-Save-Mode (Default)
1: Normal operation
When SPPS bit = “0”, SP0 pin becomes Hi-Z and SP1 pin is generated to SVDD/2 voltage.
SPPS
D7
0
ALCS
D6
0
BEEP2H BEEP2S AOUT2 AOUT1
- 33 -
D5
0
D4
0
D3
0
D2
0
MOUT
D1
0
[AK4564]
HPDAC
2002/07
D0
0