AKD5374-A Datasheet, PDF (4/28 Pages) Asahi Kasei Microsystems – Evaluation board Rev.1 for AK5374

[AKD5374-A]
Figure 4. USB Audio Device Properties
„ Evaluation mode
Internal ADC Streaming Mode
Evaluation of using internal ADC of AK5374
USB1 (USB Connector) is used. Nothing should be connected to USB2 (USB Connector) and PORT6 (DSP).
INT MIC
EXT MIC
EEP-ROM
SPI I/F
VREF VCOM AVDD VSS1
CSN SK EPAO EPAI
RSTN SUSN DVDD VSS2 VSS3
DVDD
MPWR
PMMP
VREF
MICLP
PMADL
Control
Decode
PMADL or PMADR
MICLN
MICRP
Gain: 0/+6/+12/+18/+24/+30/+36dB
24bit
ADC
MICRN
PMADR
PLL
(System/Audio)
USB
SIE
DVOL
MUTE
Audio
Stream
Control
USB
Tx/Rx
1.5kΩ
DP ^18Ω
DN
18Ω
CLKO
CKM = “H”
XTE = “H”
LMUTEN RMUTEN
CLKDRV
Figure 5. Internal ADC Streaming Mode
XTI
XTO
24MHz
[KM101601]
-4-
2010/08