AK5702VN AKM [Asahi Kasei Microsystems], AK5702VN Datasheet - Page 70
AK5702VN
Manufacturer Part Number
AK5702VN
Description
4-Channel ADC with PLL & MIC-AMP
Manufacturer
AKM [Asahi Kasei Microsystems]
Datasheet
1.AK5702VN.pdf
(76 pages)
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Quantity
Price
Part Number:
AK5702VN-L
Manufacturer:
AKM
Quantity:
20 000
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When the clock mode is changed from EXT Master Mode to other modes, the register should be set as above table after
PDN pin = “L” to “H” or TE3-0 bits = “1010”.
MS0623-E-00
Power Supply
(Addr:0DH, D7-4)
TMASTER bit
PMVCM bit
(Addr:00H, D2)
(Addr:01H, D1)
(Addr:0EH, D1)
TE3-0 bits
BCLK pin
LRCK pin
5. EXT Master Mode
<Example>
MCKI pin
PDN pin
M/S bit
(1) After Power Up: PDN pin “L” → “H”
(2) DIF1-0, FS1-0, BCKO1-0, M/S, TE3-0 and TMASTER bits should be set during this period as follows.
(3) Power Up VCOM: PMVCM bit = “0” → “1”
(4) BCLK and LRCK start to output.
(2a) M/S bit = “1”, setting of FS3-0 and BCKO1-0 bits.
(2b) Setting of DIF1-0 bits.
(2c) TE3-0 bits = “0101”
(2d) TMASTER bit = “1”
“L” time of 150ns or more is needed to reset the AK5702.
VCOM should first be powered up before the other block operates.
"1010"
(1)
(2)
(3)
(4)
Figure 63. Clock Set Up Sequence (5)
Output
"0101"
Input
- 70 -
Example:
(1) Power Supply & PDN pin = “L”
Input Master Clock Select: 256fs
BCLK frequency at Master Mode: 64fs
Audio I/F Format: I2S
Sampling Frequency: 44.1kHz
(2) Addr:01H, Data:26H
(3) Addr:00H, Data:04H
BCLK and LRCK output
Addr:05H, Data:2FH
Addr:04H, Data:23H
Addr:0DH, Data:50H
Addr:0EH, Data:02H
[AK5702]
“H”
2007/06
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