AK4122 Datasheet, PDF (39/53 Pages) List of Unclassifed Manufacturers – 24 BIT 96KHZ SRC WITH DIR

ASAHI KASEI
[AK4122]
Addr Register Name
02H Audio Interface Format
R/W
Default
D7
D6
D5
0
0
0
RD
RD
RD
0
0
0
DIF1-0: Audio Interface Format for PORT1 (Table 8)
Initial values are “01”.
IDIF1-0: Audio Interface Format for PORT2 (Table 9)
Initial values are “01”.
ODIF: Audio Interface Format for PORT3 (Table 10)
Initial values are “0”.
D4
ODIF
R/W
0
D3
IDIF1
R/W
0
D2
IDIF0
R/W
1
D1
DIF1
R/W
0
D0
DIF0
R/W
1
Addr Register Name
03H DIR Control
R/W
Default
D7
D6
D5
D4
D3
CS12 AMUTE EFH1 EFH0
IPS1
R/W
R/W
R/W
R/W
R/W
0
1
0
1
0
D2
D1
D0
IPS0
OPS1 OPS0
R/W
R/W
R/W
0
0
0
OPS1-0: Output Through Data Select for TX (Table 15)
Initial values are “00”.
IPS1-0: Input Recovery Data Select (Table 14)
Initial values are “00”.
EFH1-0: Interrupt 0 pin Hold Count Select
Initial values are “01”.
LRCK of Table 21 is DIR’s LRCK, the hold time scales with 1/fs.
EFH1
0
0
1
1
EFH0
Hold Count
0
512LRCK
1
1024LRCK
0
2048LRCK
1
4096LRCK
Table 21. Hold count select
Default
AMUTE: Auto Mute Control
0 : Normal operation
1 : Auto Mute (Default)
When AMUTE bit = “1”, SDTIO and SDTO are muted automatically when the AK4122 detects unlock,
Non-Audio or Non-PCM/DTS-CD.
CS12:
Channel Status select
0 : Channel 1 (Default)
1 : Channel 2
This bit selects that channel status is used to derive C-bit buffers, AUDN, PEM, FS3-0, Pc, Pd and CRC.
MS0267-E-02
- 39 -
2004/07