ak4124vf AKM Semiconductor, Inc., ak4124vf Datasheet - Page 13

• Manufacturer Part Number: ak4124vf
• Description: 192khz/ 24bit High Performance Asynchronous Src
• Manufacturer: AKM Semiconductor, Inc.

ASAHI KASEI
T System Clock & Audio Interface Format for Output PORT
The output port works in master mode or slave mode. The MCLK is not needed in slave mode. The CMODE2-0 pins
select the master/slave and bypass mode. The CMODE2-0 pins should be controlled when PDN pin = “L”.
The ODIF1-0 pins and OBIT1-0 pins select the audio interface format for the output port. The audio data is MSB first, 2’s
compliment format. The SDTO is clocked out on the falling edge of OBICK. Select the audio interface format when PDN
pin = “L”. When in BYPASS mode, both IBICK and OBICK are fixed to 64fs.
MS0288-E-01
Mode
0
1
2
3
4
5
6
7
Mode
0
1
2
3
4
5
6
7
Master / Slave
CMODE2-0 =
CMODE2-0 =
ILRCK
IBICK(64fs)
SDTI(i)
“HLL”
“HLL”
Master
Except
Slave
CMODE
H
H
H
H
L
L
L
L
2
0 1 2
OBIT1
23:MSB, 0:LSB
CMODE
Don't Care
H
H
H
H
L
L
L
L
Table 4. Output Audio Interface Format 1 (Output PORT)
Table 5. Output Audio Interface Format 2 (Output PORT)
H
H
H
H
L
L
L
L
1
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Mode
Table 3. Master/Slave Control (Output PORT)
0
1
2
3
OBIT0
CMODE0
H
L
H
H
L
H
L
L
8 9
23
Lch Data
H
H
H
H
L
L
L
L
ODIF1
Figure 5. Mode 4 Timing
x x x x x x x
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H
H
L
L
SDTO
16bit
18bit
20bit
24bit
16bit
18bit
20bit
24bit
8
24
Master (Bypass)
Master / Slave
ODIF0
x x x x x x
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- 13 -
H
H
L
L
Master
Master
Master
Master
Master
Master
Slave
OLRCK
Output
1
Input
31 0 1 2
0
I
SDTO Format
MSB justified
LSB justified
2
Don't Care
S Compatible
(Reserved)
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OBICK
Not used. Set to DVSS.
Not used. Set to DVSS.
Output
Input
OMCLK
8 9
256fso
384fso
512fso
768fso
128fso
192fso
23
Rch Data
MSB justified, I
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8
32fso
36fso
40fso
48fso
OBICK Frequency
24
x x x x x x x
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64fso
8k
8k
8k
8k
8k
8k
2
1 0
8k
8k
S
31
0
fso
108kHz
108kHz
216kHz
216kHz
216kHz
216kHz
LSB justified
54kHz
54kHz
1
[AK4124]
64fso
2004/08