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AK4114VQ

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P36P37-P39P40-P42P43-P45P46-P48
ASAHI KASEI [AK4114]
MS0098-E-04 2004/03
- 19 -
Double sampling frequency mode
When MONO bit = “1”, the AK4114 outputs data with double speed according to “Single channel double sampling
frequency mode” of AES3. For example, when 192kHz mono data is transmitted or received, L/R channels of 96kHz
biphase data are used. In this case, 1 frame is 96kHz and LRCK frequency is 192kHz.
1) RX
When MONO bit = “1”, AK4114 outputs mono data from SDTO as follows.
Biphase (Image)
A
1
A
0
1 frame
A
0
A
0
A
1
A
1
LRCK
(except IIS)
SDTO
1 LRCK
RX
MONO = 1
LRCK
(IIS)
Figure 15. MONO mode (RX)
AK4114Lch
AK4114Rch
DAC
(AK4394/5)
SW
MCLK
BICK
LRCK
SDTI
(Master)
(Slave)
RX SDTO
MCKO
RX SDTO
Figure 16. MONO mode Connection Example (RX)
ASAHI KASEI [AK4114]
MS0098-E-04 2004/03
- 20 -
2) TX
When MONO bit = “1” and TLR bit = “0”, the AK4114 outputs Lch data through TX1 as biphase signal. When MONO
bit = “1” and TLR bit = “1”, then Rch data.
A
0B0
A
1B1
Serial Data
LRCK
(except IIS)
DAUX
1 LRCK
MONO = 1, TLR=0
Biphase (Image)
A
1
A
0
1 frame
TX
MONO = 1, TLR=1
Biphase (Image)
B1B0
TX
LRCK
(IIS)
Figure 17. MONO mode (TX)
AK4114Lch
AK4114Rch
ADC
(AK5394)
MCLK
BICK
LRCK
SDATA
(Master)
(Slave)
TX DAUX
MCKO
TX DAUX
XTI
XTI XTO
Figure 18. MONO mode Connection Example (TX)
Note: When the connection example (Figure 18) or multiple AK4114s are used, LRCK and BICK should be input after
reset so that the phase of TX outputs is aligned. The AK4114s should be set by following sequence (Figure 19).
ASAHI KASEI [AK4114]
MS0098-E-04 2004/03
- 21 -
Upon power on
Mode
PDN pin
LRCK, BICK
Stereo mode
Mono mode
During operation
Mode
RSTN bit
LRCK, BICK
Stereo mode
Mono mode
(1) Reset all the AK4114s by PDN pin = “L”
→
“H” or RSTN bit = “0”
→
“1”.
(2) Set all the AK4114s to MONO mode while they are still in slave mode.
(3) Set one of the AK4114s to master mode so that LRCK is input to all other AK4114s at the same time, or LRCK
should be input to all the AK4114s at the same time.
Figure 19. MONO mode setup sequence (TX)
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P36P37-P39P40-P42P43-P45P46-P48

AK4114VQ

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Buy AK4114VQ
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Description:
IC AUDIO DECODER 24BIT 48LQFP
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