ak4564 AKM Semiconductor, Inc., ak4564 Datasheet - Page 44

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

Operation Mode
MS0140-E-01
Addr Register Name
0BH
ALC1: ALC1 Enable Flag
FDOUT: FADEOUT Enable Flag
FDIN: FADEIN Enable Flag
ALC2: ALC2 Enable Flag
MONO: MONO mode for Recoding
MIX1P: MIX1-Amp Power Control
Operation Mode
Default
When the microphone and line inputs are mono, Rch output data of SDTO can be changed to Lch data.
Then Pre-Amp, MIX1-Amp, MIX2-Amp and ADC analog block of right channel are powered down.
0: Disable (Default)
1: Enable
0: Disable (Default)
1: Enable
0: Disable (Default)
1: Enable
0: Disable
1: Enable (Default)
After initializing cycle (2048/fs=42.7ms@fs=48kHz), ALC2 is enabled. This initializing cycle
starts when PDN pin change “L” to “H” or SPKP bit change from “0” to “1”.
MIX1P and ADC bits are Ored.
0: Power OFF (Default)
1: Power ON
MONO
0
1
D7
0
0
Table 24. SDTO Output Data
SDTO Output Data
D6
Lch
Lch
Lch
0
0
- 44 -
MIX1P
D5
0
Rch
Rch
Lch
MONO
D4
0
Stereo
Mode
Mono
ALC2
D3
1
Default
FDIN
D2
0
FDOUT
D1
0
ALC1
2002/07
D0
0