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AK4128A Datasheet, PDF (7/50 Pages) Asahi Kasei Microsystems – 8ch 216kHz / 24-Bit Asynchronous SRC
[AK4128A]
No. Pin Name
34 CM2
35 CM1
36 CM0
37 ODIF1
38 ODIF0
39 SDTO3
40 SDTO2
41 SDTO1
42 SDTO4
43 VSS4
44 DVDD3
45 OBICK
46 OLRCK
47 OMCLK/XTI
48 XTO
49 MCKO
50 TST0
51 CAD0
52 DVDD4
53 VSS5
54 TST1
55 SMSEMI
56 TST2
57 SCL
58 SDA
59 SPB
I/O
Function
I Clock Select or Mode Select #2 Pin for Output PORT
I Clock Select or Mode Select #1 Pin for Output PORT
I Clock Select or Mode Select #0 Pin for Output PORT
I Audio Interface Format #1 Pin for Output PORT
I Audio Interface Format #0 Pin for Output PORT
Audio Serial Data Output #3 Pin for Output PORT
O
When the PDN pin = “L”, the SDRO3 pin outputs “L”.
Audio Serial Data Output #2 Pin for Output PORT
O
When the PDN pin = “L”, the SDTO2 pin outputs “L”.
O
Audio Serial Data Output #1 Pin for Output PORT
When the PDN pin = “L”, the SDTO1 pin outputs “L”.
Audio Serial Data Output #4 Pin for Output PORT
O
When the PDN pin = “L”, the SDRO4 pin outputs “L”.
- Digital Ground Pin
- Digital Power Supply Pin, 3.0 ∼ 3.6V
Audio Serial Data Clock Pin for Output PORT
I/ O
When the PDN pin = “L” in master mode, the OBOCK pin outputs “L”.
Output Channel Clock Pin for Output PORT
I/ O
When the PDN pin = “L” in master mode, the OBOCK pin outputs “L”.
I External Master Clock Input / X’tal Input Pin
X’tal Output Pin
O
When the PDN pin = “L”, XTO outputs Hi-z.
Master Clock Output Pin
O When the PM2 pin = “H” and PDN pin = “L”, the MCKO pin outputs “L”.
When the PM2 pin = “L” and PDN pin = “L”, the MCKO pin outputs Hi-z.
I Test Pin. This pin should be connected to VSS2-5.
Chip Address 0 pin
I
This pin must be connected to VSS2-5 in parallel control mode (SPB pin = “L”).
- Digital Power Supply Pin, 3.0 ∼ 3.6V
- Digital Ground Pin
I Test Pin. This pin should be connected to VSS2-5.
Soft Mute Semi-auto Mode Setting Pin
I
“H”: Semi-auto, “L”: Manual Mode
I Test Pin. This pin should be connected to VSS2-5.
I2C Control Data Clock Pin, (when the SPB pin= “H”)
Since there is a protection diode between this pin and DVDD1-4, connect
I
pulled-up resister to DVDD1-4 + 0.3V or less. This pin must be connected to the
VSS2-5 in parallel control mode (PSB pin= “L”).
I2C Control Data In/Out put Pin, (when the SPB pin= “H”)
Since there is a protection diode between this pin and DVDD1-4, connect
I/ O
pulled-up resister to DVDD1-4 + 0.3V or less. This pin must be connected to the
VSS2-5 in parallel control mode (PSB pin= “L”).
I Parallel/Serial Control Mode Select Pin
“H”: Serial Control Mode, “L”: Parallel Control Mode
MS1242-E-00
-7-
2010/09