AK5554VN_16 datasheet(35/68 Pages) AKM

Nome de Peças	AK5554VN

Descrição Electrónicos	4-Channel Differential 32-bit ADC

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Fabricante Electrônico	AKM [Asahi Kasei Microsystems]

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35 / 68 page

[AK5554]

015099864-E-00

2016/03

- 35 -

The BICK frequency must be set to 32fs or 48fs in slave mode if the audio interface format is normal

output (non TDM) and the interface speed is in HEX mode. Bit length of A/D data is determined by BICK

frequency regardless of the DIF1 pin (bit). It is 16-bit when the BICK frequency is 32fs and 24-bit when

the BICK frequency is 48fs.

The BICK frequency will be 64fs in master mode if the audio interface format is normal output (non TDM)

and the interface speed is Normal, Double or Quad mode. Data bit length can be selected from 24-bit and

32-bit by the DIF1 pin (bit).

The MCLK frequency must be 64fs or 96fs in master mode if the audio interface format is normal output

(non TDM) and the interface speed is OCT mode. The BICK frequency will be 64fs. Data bit length can be

selected from 24-bit and 32-bit by the DIF1 pin (bit).

The BICK frequency will be synchronized with the MCLK frequency in master mode if the audio interface

format is normal output (non TDM) and the interface speed is HEX mode. The MCLK frequency must be

32fs, 48fs or 64fs. The bit length of A/D data is 16-bit when the MCLK frequency is 32fs, 24-bit when the

MCLK frequency is 48fs and 24-bit or 32-bit can be selected by the DIF1 pin (bit) when the MCLK

frequency is 64fs.

The DIF0 pin selects the A/D data format between MSB justified and I

2S Compatible.

No.

Multiplex

Mode

Speed

Mode

TDM1

pin(bit)

TDM0

pin(bit)

MSN

DIF1

pin(bit)

DIF0

pin(bit)

SDTO

LRCK

BICK

MCLK

Pol. I/O

Freq.

I/O

Freq.

I/O

0

Normal

Double

Quad

L(0)

L

L(0)

24-bit, MSB

H/L

I

48-128fs

I

128-1024fs

I

1

L(0)

H(1)

24-bit, I

2S

L/H

I

48-128fs

I

128-1024fs

I

2

H(1)

L(0)

32-bit, MSB

H/L

I

64-128fs

I

128-1024fs

I

3

H(1)

32-bit, I

2S

L/H

I

64-128fs

I

128-1024fs

I

4

H

L(0)

24-bit, MSB

H/L

O

64fs

O 128-1024fs

I

5

L(0)

H(1)

24-bit, I

2S

L/H

O

64fs

O 128-1024fs

I

6

H(1)

L(0)

32-bit, MSB

H/L

O

64fs

O 128-1024fs

I

7

H(1)

32-bit, I

2S

L/H

O

64fs

O 128-1024fs

I

8

OCT

HEX

L(0)

L

*

L(0)

16-bit, MSB

H/L

↑

32fs

I

32-96fs

I

9

*

H(1)

16-bit, I

2S

L/H

↓

32fs

I

32-96fs

I

10

*

L(0)

24-bit, MSB

H/L

↑

48fs

I

32-96fs

I

11

*

H(1)

24-bit, I

2S

L/H

↓

48fs

I

32-96fs

I

12

L(0)

24-bit, MSB

H/L

↑

64fs

I

32-96fs

I

13

L(0)

H(1)

24-bit, I

2S

L/H

↓

64fs

I

32-96fs

I

14

H(1)

L(0)

32-bit, MSB

H/L

↑

64fs

I

32-96fs

I

15

H(1)

32-bit, I

2S

L/H

↓

64fs

I

32-96fs

I

16

H

*

L(0)

16-bit, MSB

H/L

↑

32fs

O

32fs

I

17

*

H(1)

16-bit, I

2S

L/H

↓

32fs

O

32fs

I

18

*

L(0)

24-bit, MSB

H/L

↑

48fs

O

48fs

I

19

*

H(1)

24-bit, I

2S

L/H

↓

48fs

O

48fs

I

20

L(0)

24-bit, MSB

H/L

↑

64fs

O

64-96fs

I

21

L(0)

H(1)

24-bit, I

2S

L/H

↓

64fs

O

64-96fs

I

22

H(1)

L(0)

32-bit, MSB

H/L

↑

64fs

O

64-96fs

I

23

H(1)

32-bit, I

2S

L/H

↓

64fs

O

64-96fs

I

Table 8. Audio Interface Format (Normal mode)

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