AK4122VQ ETC [List of Unclassifed Manufacturers], AK4122VQ Datasheet - Page 16
AK4122VQ
Manufacturer Part Number
AK4122VQ
Description
24 BIT 96KHZ SRC WITH DIR
Manufacturer
ETC [List of Unclassifed Manufacturers]
Datasheet
1.AK4122VQ.pdf
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ASAHI KASEI
The input source of the SRC can be switched between the outputs of the DIR, PORT1 or PORT2. The input source of the
PORT2 and PORT3 can be switched between the outputs of the SRC or BYPASS. When PORT2 is used as input port,
PORT2 cannot use as output port. The signal path should be controlled during PWN bit = “0”. The Switch Names
(ISEL1-0 bits etc) in Figure 1 correspond to the register bits that control the switch function. Refer to Table 1.
Default is Mode 0. (Path : PORT1 → SRC → PORT3)
After PDN pin = “L” → “H”, SDTIO pin of PORT2 is the input pin.
The DIF1-0 bits of the PORT1 should be set a value except “10” (I
selected as an input port.
Refer to Table 6 and 7 for Master/Slave mode setting.
MS0267-E-03
Internal Signal Path
Mode
0
1
2
3
4
5
6
7
8
9
PORT1
PORT2
Serial
Audio
Serial
Audio
DIR
I/F
I/F
00 : PORT1
01 : PORT2
10 : DIR
00 : PORT1
01 : PORT2
10 : DIR
00 : PORT1
10 : DIR
00 : PORT1
10 : DIR
Input PORT
ISEL1-0 bit
Figure 1. Connection Input Source & Output Source
ISEL1-0
SRC / Bypass
1 : Bypass
1 : Bypass
OPERATION OVERVIEW
BYPS bit
0 : SRC
0 : SRC
De-em
Filter
PLL
Table 1. Path Select
- 16 -
Output PORT
SRC
0 : PORT3
1 : PORT2
OSEL bit
(Note 1)
(Note 2)
BYPS
2
PORT1 → SRC → PORT3
PORT2 → SRC → PORT3
DIR → SRC → PORT3
PORT1 → PORT3
PORT2 → PORT3
DIR → PORT3
PORT1 → SRC → PORT2
DIR → SRC → PORT2
PORT1 → PORT2
DIR → PORT2
S Compatible) when the DIR is
OSEL
Path
PORT3
Serial
Audio
I/F
[AK4122]
2004/08
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