DRZ9255
HX-D2
- 9 -
051-6373-18
AK4112BVF
Digital Interface Receiver
Terminal Description
pin
1: D VDD
: - : Positive voltage supply for the digital sec-
tion.
pin
2: D VSS
: - : Digital ground.
pin
3: T VDD
: - : Positive voltage supply for output-buffer.
pin
4: VALIDITY
: O : Validity flag output in the parallel mode.
: TX
: O : Transmit channel (through data) output in
serial mode.
pin
5: XT I
: IN : Oscillation terminal.
pin
6: XT O
: O : Oscillation terminal.
pin
7: PDN
: IN : Power down & reset signal input.
pin
8: RESIST
: - : The resistor connection.
pin
9: A VDD
: - : Positive voltage supply for analog section.
pin 10: A VSS
: - : Negative voltage supply for analog section.
pin 11: RX 1
: IN : The receiver channel 1 in serial mode.
pin 12: DIF 0
: IN : The audio data format selection in parallel
mode, refer Table 1.
: RX 2
: IN : The receiver channel 2 in serial mode.
pin 13: DIF 1
: IN : The audio data format selection in parallel
mode, refer Table 1.
: RX 3
: IN : The receiver channel 3 in serial mode.
pin 14: DIF 2
: IN : The audio data format selection in parallel
mode, refer Table 1.
: RX 4
: IN : The receiver channel 4 in serial mode.
pin 15: PCM DET
: O : Non-PCM detect. L = Non detect.
pin 16: PARA/SERI
: IN : Parallel("H")/Serial("L") mode select input.
pin 17: FS96
: O : 96kHz Sampling detect.
RX mode
H : fs = 88.2kHz or more
L : fs = 54kHz or less
Xtal mode
H : XFS96 = 1
L : XFS96 = 0
pin 18: ERF
: O : Unlock & Parity error output. L = No error.
pin 19: LR CK I/O
:I/O: Left/Right clock.
pin 20: SDT O
: O : The audio serial data output.
pin 21: BI CK
:I/O: Audio serial data clock.
pin 22: D AUX
: IN : Auxiliary audio serial data input.
pin 23: MCK O 2
: O : Master clock output, refer Table 2.
pin 24: MCK O 1
: O : Master clock output, refer Table 2.
pin 25: OCK Sel 0
: IN : Output clock select in parallel mode.
refer Table 2.
: CSN
: IN : Chip select input in serial mode.
pin 26: OCK Sel 1
: IN : Output clock select in parallel mode.
refer Table 2.
: C CLK
: IN : Control clock input in serial mode.
pin 27: CM 1
: IN : Master clock operation select input in par-
allel mode, refer Table 3.
: CDTI
: IN : Control data input in serial mode.
pin 28: CM 0
: IN : Master clock operation select input in par-
allel mode, refer Table 3.
: CDTO
: O : Control data output in serial mode.
Table 1. Audio data format
DIF 2
DIF 1
DIF 0
D AUX
SDT O
LR CK
BI CK
(pin 14)
(pin 13)
(pin 12)
(pin 22)
(pin 20)
(pin 19)
(pin 21)
24bit
16bit
H/L
64fs
0
0
0
Left
Right
justified
justified
Output
Output
24bit
18bit
H/L
64fs
0
0
1
Left
Right
justified
justified
Output
Output
24bit
20bit
H/L
64fs
0
1
0
Left
Right
justified
justified
Output
Output
24bit
24bit
H/L
64fs
0
1
1
Left
Right
justified
justified
Output
Output
24bit
24bit
H/L
64fs
1
0
0
Left
Left
justified
justified
Output
Output
24bit
24bit
L/H
64fs
1
0
1
I2S
I2S
Output
Output
24bit
24bit
H/L
64-128fs
1
1
0
Left
Left
justified
justified
Intput
Input
24bit
24bit
H/L
64-128fs
1
1
1
I2S
I2S
Intput
Input
Table 2. Master clock frequency select
OCK S 1
OCK S 0
MCK O 1 MCK O 2
(pin 26)
(pin 25)
(pin 24)
(pin 23)
X'tal
fs(kHz)
32.0
0
0
256fs
256fs
256fs
44.1
48.0
96.0
32.0
0
1
256fs
128fs
256fs
44.1
48.0
96.0
32.0
1
0
512fs
256fs
512fs
44.1
48.0
1
1
-
-
Test Mode
-
-
Table 3. Clock operation mode select
CM 1
CM 0
Clock
FS96
SDT O
(pin 27)
(pin 28)
UNLOCK
PLL
X'tal
source
(pin 17)
(pin 20)
0
0
x
ON
OFF
PLL
RFS96
RX
0
1
x
OFF
ON
X'tal
XFS96
D AUX
1
0
0
ON
ON
PLL
RFS96
RX
1
0
1
ON
ON
X'tal
XFS96
D AUX
1
1
x
ON
ON
X'tal
XFS96
D AUX