AK4122A AKM [Asahi Kasei Microsystems], AK4122A Datasheet - Page 39

• Manufacturer Part Number: AK4122A
• Description: 24-Bit 96kHz SRC with DIR
• Manufacturer: AKM [Asahi Kasei Microsystems]

Addr Register Name
Addr Register Name
02H Audio Interface Format
03H DIR Control
DIF1-0:
IDIF1-0: Audio Interface Format for PORT2
ODIF: Audio Interface Format for PORT3
OPS1-0:
IPS1-0:
EFH1-0: Interrupt 0 pin Hold Count Select
AMUTE: Auto Mute Control
CS12: Channel Status select
MS1076-E-01
Audio Interface Format for PORT1
Output Through Data Select for TX
Input Recovery Data Select
0: Normal operation
1: Auto Mute (default)
0: Channel 1 (default)
1: Channel 2
Default
Default
R/W
R/W
Initial values are “01”.
Initial values are “01”.
Initial values are “0”.
Initial values are “00”.
Initial values are “00”.
Initial values are “01”.
LRCK of
When AMUTE bit = “1”, SDTIO and SDTO are muted automatically if the AK4122A detects unlock,
Non-Audio or Non-PCM/DTS-CD.
These bit selects the channel status for C-bit, AuDN, PEM, FS3-0, Pc, Pd and CRC bit.
Table 21
is DIR’s LRCK, the hold time scales with 1/fs.
CS12
R/W
RD
D7
D7
EFH1
0
0
0
(Table
0
0
1
1
(Table
AMUTE
Table 21. Hold count select
14)
(Table
(Table
(Table
R/W
RD
EFH0
D6
D6
0
0
1
0
1
0
1
10)
8)
9)
15)
- 39 -
EFH1
Hold Count
1024LRCK
2048LRCK
4096LRCK
R/W
RD
512LRCK
D5
D5
0
0
0
ODIF
EFH0
R/W
R/W
D4
D4
0
1
(default)
IDIF1
IPS1
R/W
R/W
D3
D3
0
0
IDIF0
IPS0
R/W
R/W
D2
D2
1
0
OPS1
DIF1
R/W
R/W
D1
D1
0
0
[AK4122A]
2010/05
OPS0
DIF0
R/W
R/W
D0
D0
1
0