AK5373 AKM [Asahi Kasei Microsystems], AK5373 Datasheet - Page 24

• Manufacturer Part Number: AK5373
• Description: 24-bit Stereo ADC with USB Interface
• Manufacturer: AKM [Asahi Kasei Microsystems]

I2S: Audio Format
512FS: Master Clock Output Frequency
SDIN: Ext. Audio Input Interface Enable
SDOUT: Ext. Audio Output Interface Enable
STEREO: Mono/Stereo Mode Select
SIGNED: Unsigned/Signed Mode Select
RES1-0: ADC Resolution Mode Select
MIX: ADC Data Mix Control
INTFQ2-0: Initial Sampling Frequency
MS1202-E-00
Addr
Addr
02H
03H
04H
05H
06H
07H
08H
09H
“0”: MSB justified
“1”: I2S
“0”: 256fs
“1”: 512fs
“0”: Power-down and Disable: SDTI pin must be connected to VSS1-3.
“1”: Power-up and Enable
“0”: Power-down and Disable: SDTO pin = “L”
“1”: Power-up and Enable
“0”: Mono
“1”: Stereo
“0”: Unsigned (“0” is valid only when the resolution is 8 bit)
“1”: Signed
“00”: 8bit
“01”: 16bit
“10”: 24bit
“0”: Lch and Rch are not mixed.
“1”: Lch and Rch are mixed. Dynamic range and S/N can be improved by approximately 3dB when the same analog
“000”: 8kHz,
“010”: 16kHz,
“100”: 32kHz,
“110”: 48kHz
Ext. Audio I/F Control
PCM Format Alt 1
PCM Format Alt 2
PCM Format Alt 3
PCM Format Alt 4
PCM Format Alt 5
PCM Format Alt 6
PCM Format Alt 7
signal is inputted to left and right channels.
If this bit is set to “1”, the AK5373 receives audio data via the external digital audio interface and transmits
them to the host instead of the A/D data generated by the AK5373.
If this bit is set to “1”, the A/D data is output via this Interface.
Register Name
Register Name
“001”: 11.025kHz
“011”: 22.05kHz
“101”: 44.1kHz
INTFQ12 INTFQ11 INTFQ10
INTFQ22 INTFQ21 INTFQ20
INTFQ32 INTFQ31 INTFQ30
INTFQ42 INTFQ41 INTFQ40
INTFQ52 INTFQ51 INTFQ50
INTFQ62 INTFQ61 INTFQ60
INTFQ72 INTFQ71 INTFQ70
SDOUT
D7
D7
SDIN
D6
D6
- 24 -
D5
D5
0
MIX1
MIX2
MIX3
MIX4
MIX5
MIX6
MIX7
D4
D4
0
RES11
RES21
RES31
RES41
RES51
RES61
RES71
D3
D3
0
RES10
RES20
RES30
RES40
RES50
RES60
RES70
D2
D2
0
SIGNED1
SIGNED2
SIGNED3
SIGNED4
SIGNED5
SIGNED6
SIGNED7
512FS
D1
D1
[AK5373]
STEREO1
STEREO2
STEREO3
STEREO4
STEREO5
STEREO6
STEREO7
2010/06
I2S
D0
D0