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AK4128A Datasheet, PDF (6/50 Pages) Asahi Kasei Microsystems – 8ch 216kHz / 24-Bit Asynchronous SRC
No. Pin Name
1 IBICK2
2 IMCLK
3 ILRCK1
4 IBICK1
5 DVDD1
6 VSS2
7 SDTI4
8 SDTI1
9 SDTI2
10 SDTI3
11 IDIF0
12 IDIF1
13 IDIF2
14 ILRCK3
15 IBICK3
16 ILRCK4
17 IBICK4
18 INAS
19 UNLOCK
20 DVDD2
21 VSS3
22 SMUTE
23 DITHER
24 PDN
25 SMT0
26 SMT1
27 DEM0
28 DEM1
29 PM1
30 OBIT0
31 OBIT1
32 PM2
33 TDM
[AK4128A]
PIN / FUNCTION
I/O
Function
Audio Serial Data Clock #2 Pin
I
When the INAS pin = “L”, this pin should be connected to VSS2-5.
I Master Clock Input Pin for Input PORT
I Input Channel Clock #1 Pin
I Audio Serial Data Clock #1 Pin
- Digital Power Supply Pin, 3.0 ∼ 3.6V
- Digital Ground Pin
I Audio Serial Data Input #4 Pin
I Audio Serial Data Input #1 Pin
I Audio Serial Data Input #2 Pin
I Audio Serial Data Input #3 Pin
I Audio Interface Format #0 Pin for Input PORT (Note 2)
I Audio Interface Format #1 Pin for Input PORT (Note 2)
I Audio Interface Format #2 Pin for Input PORT (Note 2)
I
Input Channel Clock #3 Pin
When the INAS pin = “L”, this pin should be connected to VSS2-5.
Audio Serial Data Clock #3 Pin
I
When the INAS pin = “L”, this pin should be connected to VSS2-5.
I
Input Channel Clock #4 Pin
When the INAS pin = “L”, this pin should be connected toVSS2-5.
Audio Serial Data Clock #4 Pin
I
When the INAS pin = “L”, this pin should be connected to VSS2-5.
Asynchronous Mode Select Pin.
I
“L”(connected to the ground): Synchronous mode.
“H”(connected to DVDD1-4) : Asynchronous mode.
O
Unlock Status Pin
When the PDN pin= “L”, this pin outputs “H”.
- Digital Power Supply Pin, 3.0 ∼ 3.6V
- Digital Ground Pin
I Soft Mute Pin (Note 3)
I Dither Enable Pin
“H”: Soft Mute, “L”: Normal Operation
“H”: Dither ON, “L”: Dither OFF
Power-Down Mode Pin
I
“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.
I Soft Mute Timer Select #0 Pin
I Soft Mute Timer Select #1 Pin
I De-emphasis Control #0 Pin (Note 4)
I De-emphasis Control #1 Pin (Note 4)
I Channel Mode Select #1 Pin
I Bit Length Select #0 Pin for Output Data
I Bit Length Select #1 Pin for Output Data
I Channel Mode Select #2 Pin
TDM Format Select Pin.
I
“L”(connected to the ground): Stereo mode.
“H”(connected to DVDD1-4) : TDM mode.
MS1242-E-00
-6-
2010/09