ak4561 AKM Semiconductor, Inc., ak4561 Datasheet - Page 18

• Manufacturer Part Number: ak4561
• Description: 16bit Codec With Built-in Alc And Mic/hp-amp
• Manufacturer: AKM Semiconductor, Inc.

ASAHI KASEI
Signal Select 2
Rev. 0.9
Addr
01H
S7: Select input signal of analog volume (OPGA)
S8: Select output signal of Headphone-Amp
S9: Select input signal of BEEP
S10: Select LINEOUT
S11: Select monaural output (Mixing = (L+R)/2)
S12: Select monaural input
Note:
Signal Select 2
S7: When S7 bit changes from “1” to “0”, the pop noise can not occur. When S7 bit changes from “0” to “1”
RESET
Register Name
and S12-8 bits are changed, the pop noise occurs.
0: OFF. OPGA output voltage becomes VCOM voltage (RESET)
1: ON. OPGA is provided to the signal selected by S4-3 bits (DAC or Analog Through Mode).
0: OFF. Power-Save-Mode. HPL/HPR pins become Hi-z and HVCM pin is provided to VCOM
voltage. (RESET)
1: ON
0: OFF
1: ON (RESET)
0: OFF (RESET)
Power-Save-Mode. LINEOUT is provided to VCOM_H voltage.
1: ON
0: OFF (RESET)
Power-Save-Mode, monaural output is provided to VCOM voltage.
1: ON
0: OFF (RESET)
1: ON. Output signal of analog volume is provided to monaural amplifier.
D7
0
0
AKM CONFIDENTIAL
D6
0
0
- 18 -
S12
D5
0
S11
D4
1
S10
D3
0
D2
S9
1
D1
S8
0
[AK4561]
2000/09
D0
S7
0