ak4127 AKM Semiconductor, Inc., ak4127 Datasheet - Page 18

• Manufacturer Part Number: ak4127
• Description: 192khz / 24bit High Performance Asynchronous Src
• Manufacturer: AKM Semiconductor, Inc.

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The AK4127 supports cascading connection of up to four devices (8channels) in a daisy chain configuration at TDM
mode. In this mode, the SDTO pin of device #N is connected to TDMIN pin of device #(N+1). The device can output up
to 8ch TDM data multiplexed with TDMIN data. Figure 11shows a connection example of a daisy chain.
MS0593-E-01
Cascade TDM Mode
#2 SDTO(o)
#4 SDTO(o)
OLRCK
OBICK(256fs)
#1 SDTO(o)
#3 SDTO(o)
= #2 TDMIN(i)
= #3 TDMIN(i)
= #4 TDMIN(i)
AK4127 #1
AK4127 #2
23
23
23
23
32 BICK
32 BICK
32 BICK
32 BICK
33
22
22
22
L #1
L #2
L #3
L #4
0
0
0
0
Figure 11. Cascade TDM Connection Diagram
Figure 12. Cascade TDM Timing (4devices)
23
23
23
23
32 BICK
32 BICK
32 BICK
32 BICK
22
22
22
22
R #1
R #2
R #3
R #4
OMCLK
OMCLK
OLRCK
OLRCK
TDMIN
TDMIN
OBICK
OBICK
SDTO
SDTO
0
0
0
0
23
23
23
32 BICK
32 BICK
32 BICK
22
22
22
L #1
L #2
L #3
0
0
0
GND
23
23
23
- 18 -
32 BICK
32 BICK
32 BICK
22
22
22
R #1
R #2
R #3
256 BICK
0
0
0
23
23
32 BICK
32 BICK
22
22
L #1
L #2
0
0
256fs or 512fs
48kHz
256fs
(TDMIN of AK4127 #3)
23
23
32 BICK
32 BICK
22
22
R #1
R #2
0
0
23
32 BICK
22
L #1
0
23
32 BICK
22
R #1
0
23
23
23
23
22
22
22
22
[AK4127]
2007/07