AK4129 AKM [Asahi Kasei Microsystems], AK4129 Datasheet - Page 34

• Manufacturer Part Number: AK4129
• Description: 6ch 216kHz / 24-Bit Asynchronous SRC
• Manufacturer: AKM [Asahi Kasei Microsystems]

Note 27. SPB, CM2-0, INAS, PM2-1, OBIT1-0, TDM, ODIF1-0, IDIF2-0 and CAD0 pin must be changed when the PDN
Note 28. The UNLOCK pin outputs “H” when the PDN pin= “L”. SRC data is output from SDTO1-3 pins, which
Note 29. (1) is the total time of “Internal circuit power-up + FSO/FSI ratio detection + Clock detection + Internal circuit
Note 30. (2) is the total time of “FSO/FSI ratio detection + Clock detection + Internal circuit group delay”.
MS1173-E-01
pin= “L”.
corresponds to the each sampling frequency ratio detected SRC, after a rising edge “↑” of PDN if the internal
regulator is in normal operation.
group delay”.
Case 2
External clocks
External clocks
(Internal state)
SDTI
UNLOCK
SDTO3
SDTO2
SDTO1
PDN
(Input port)
(Output port)
Power-down
I nt ernal Ci rc uit
Power-up Time
(No Clock)
(Don’t care)
(Don’t care)
Figure 35. System Reset 2
“0” data
“0” data
“0” data
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ILRCK1-4
Input wait
21ms(max)
(2)
Output Clocks
Input Clocks
Input Data
Normal data
Normal data
Normal data
Normal
operation
Power-down
Don’t care
Don’t care
Don’t care
“0” data
“0” data
“0” data
[AK4129]
2010/09