AK4558EN Datasheet, PDF (34/94 Pages) Asahi Kasei Microsystems – 108dB 216kHz 32Bit CODEC with PLL

[AK4558]
■ Parallel / Serial Mode
17. Functional Descriptions
The AK4558 is in parallel control mode (not using I²C bus) by setting the PS pin = “H”. Operation mode in
parallel control mode is selected by the CKS3-0 pins. I²C bus of the AK4458 is available when the PS pin
= “L”. When the AK4558 is in operation, setting of the PS pin cannot be changed.
■ Master Mode/Slave Mode
The CKS3and CKS2 pins select either master or slave mode. When the CKS3 pin = “H” and CKS2 pin =
H”, the AK4558 is in master mode. The AK4558 is in slave mode with all other settings.
CKS3 pin CKS2 pin
Mode
L
L
Slave Mode
L
H
Slave Mode
H
L
Slave Mode
H
H
Master Mode
Table 1. Select Master/Slave Mode
PDN pin
L
H
CKS3 pin
L
L
H
H
L
L
H
H
CKS2 pin LRCK pin
L
Input
H
Input
L
Input
H
“L” Output
L
Input
H
Input
L
Input
H
Output
Table 2. LRCK, BICK pin
BICK pin
Input
Input
Input
“L” Output
Input
Input
Input
Output
015004500-E-02
- 34 -
2015/09