[AK4128A]
PIN / FUNCTION
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
Pin Name
IBICK2
IMCLK
ILRCK1
IBICK1
DVDD1
VSS2
SDTI4
SDTI1
SDTI2
SDTI3
IDIF0
IDIF1
IDIF2
ILRCK3
IBICK3
ILRCK4
IBICK4
INAS
UNLOCK
DVDD2
VSS3
SMUTE
DITHER
PDN
SMT0
SMT1
DEM0
DEM1
PM1
OBIT0
OBIT1
PM2
TDM
I/O
I
I
I
I
-
-
I
I
I
I
I
I
I
I
I
I
I
I
O
-
-
I
I
I
I
I
I
I
I
I
I
I
I
Function
Audio Serial Data Clock #2 Pin
When the INAS pin = “L”, this pin should be connected to VSS2-5.
Master Clock Input Pin for Input PORT
Input Channel Clock #1 Pin
Audio Serial Data Clock #1 Pin
Digital Power Supply Pin, 3.0
∼
3.6V
Digital Ground Pin
Audio Serial Data Input #4 Pin
Audio Serial Data Input #1 Pin
Audio Serial Data Input #2 Pin
Audio Serial Data Input #3 Pin
Audio Interface Format #0 Pin for Input PORT (Note
2)
Audio Interface Format #1 Pin for Input PORT (Note
2)
Audio Interface Format #2 Pin for Input PORT (Note
2)
Input Channel Clock #3 Pin
When the INAS pin = “L”, this pin should be connected to VSS2-5.
Audio Serial Data Clock #3 Pin
When the INAS pin = “L”, this pin should be connected to VSS2-5.
Input Channel Clock #4 Pin
When the INAS pin = “L”, this pin should be connected toVSS2-5.
Audio Serial Data Clock #4 Pin
When the INAS pin = “L”, this pin should be connected to VSS2-5.
Asynchronous Mode Select Pin.
“L”(connected to the ground): Synchronous mode.
“H”(connected to DVDD1-4) : Asynchronous mode.
Unlock Status Pin
When the PDN pin= “L”, this pin outputs “H”.
Digital Power Supply Pin, 3.0
∼
3.6V
Digital Ground Pin
Soft Mute Pin (Note
3)
“H”: Soft Mute, “L”: Normal Operation
Dither Enable Pin
“H”: Dither ON, “L”: Dither OFF
Power-Down Mode Pin
“H”: Power up, “L”: Power down reset and initializes the control register.
The AK4128A should be reset once by bringing PDN pin = “L” upon power-up.
Soft Mute Timer Select #0 Pin
Soft Mute Timer Select #1 Pin
De-emphasis Control #0 Pin (Note
4)
De-emphasis Control #1 Pin (Note
4)
Channel Mode Select #1 Pin
Bit Length Select #0 Pin for Output Data
Bit Length Select #1 Pin for Output Data
Channel Mode Select #2 Pin
TDM Format Select Pin.
“L”(connected to the ground): Stereo mode.
“H”(connected to DVDD1-4) : TDM mode.
MS1242-E-00
-6-
2010/09
AKM [ ASAHI KASEI MICROSYSTEMS ]
