[AK4133]

015015325-E-02

2018/05

- 15 -

13. Functional Description

The table below shows the possible combination of the input sampling rate and output sampling rate.

FSI

FSO

[kHz]

[kHz]

8

11.025

12

16

22.05

24

32

44.1

48

8

Y

-

-

Y

-

Y

-

Y

Y

11.025

-

-

-

-

-

-

-

Y

Y

12

-

-

-

-

-

-

-

Y

Y

16

Y

-

-

Y

-

Y

-

Y

Y

22.05

-

-

-

-

-

-

-

Y

Y

24

Y

-

-

Y

-

Y

-

Y

Y

32

-

-

-

-

-

-

-

Y

Y

44.1

-

-

-

-

-

-

-

Y

Y

48

-

-

-

-

-

-

-

Y

Y

88.2

-

-

-

-

-

-

-

Y

Y

96

-

-

-

-

-

-

-

Y

Y

176.4

-

-

-

-

-

-

-

Y

Y

192

-

-

-

-

-

-

-

Y

Y

Y: Available

-: Not Available

The audio interface format is controlled by the IDIF pin. The data format is MSB first in 2

’s complement.

The SDTI input data is clocked in on a rising edge of the IBICK. The audio interface format of the input

port should be changed while the PDN pin =

“L”.

Table 2. Input PORT Audio Interface Format

Mode

IDIF Pin

SDTI Format

ILRCK

IBICK

IBICK Frequency

0

L

24-bit, MSB justified

Input

Input

256FSI

 or  64FSI

1

H

24 or 16-bit, I

256FSI

 or  64FSI

16-bit, I

32FSI (* 16)

Note:

* 16. When IBICK = 32FSI, only 16-bit I