AK4753 Datasheet, PDF (5/85 Pages) Asahi Kasei Microsystems – 2-in, 4-out CODEC with DSP Functions

[AK4753]
No. Pin Name I/O Function
26 XTO
O X’tal Clock Output Pin
27
XTI
MCKI
I X’tal / External Clock Input Pin
I External Master Clock Input Pin
28 DVDD
- Digital Power Supply Pin, 3.0V ~ 3.6V
29 VSS2
- Ground 2 Pin
30 REG
O
Regulator Ripple Filter Pin
This pin must be connected to VSS2 with 2.2μF capacitor in series.
Bypass Control Input Pin
31 BYPASS I
“H”: DSP Bypass mode
“L”: Normal Operation
32 NC
-
No Connect Pin
No internal bonding. This pin must be connected to VSS2.
Note 1. All input pins except analog input pins (AINL, AINR, SAIN1, SAIN2) must not be left floating.
■ Handling of Unused Pin
The unused I/O pins must be processed appropriately as below.
Classification Pin Name
Analog
AINL, AINR, SAIN1, SAIN2, FLT, LOUT1/LOUT+,
ROUT1/LOUT-, LOUT2/ROUT+/MOUT+,
ROUT2/ROUT-/MOUT-
Digital
XTO, SDA, EESDA, EESCL, MUTEN, STO
LRCK, BICK, SDTI, XTI/MCKI, EXTEE, TEST, SCL
Setting
Open
Open
These pins must be connected to VSS2.
MS1311-E-00
-5-
2011/07