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AK4649 Datasheet, PDF (6/96 Pages) Asahi Kasei Microsystems – 24bit Stereo CODEC with MIC/SPK-AMP
[AK4649]
PIN/FUNCTION
No. Pin Name
A1 VCOM
A2 VCOC
B1 AVDD
B2 VSS1
E3 LOUT
D3 ROUT
C3 I2C
CSN
C4
SDA
A4 CDTIO
CAD0
B4
CCLK
SCL
B6 LRCK
B5 MCKI
C5 BICK
C6 SDTI
D5 SDTO
B3 PDN
D6 MCKO
A5 DVDD
A6 VSS2
D4 SPP
E5 SVDD
E6 VSS3
E4 SPN
E2 MIN
D1 LIN1
DMDAT
C1 RIN1
DMCLK
D2 LIN2
E1 RIN2
C2
MPWR
DMP
I/O Function
O
Common Voltage Output Pin
Bias voltage of ADC inputs and DAC outputs.
O
Output Pin for Loop Filter of PLL Circuit
This pin must be connected to VSS1 with one resistor and capacitor in series.
- Analog Power Supply Pin
- Ground 1 Pin
O Lch Analog Output Pin
O Lch Analog Output Pin
I Control Mode Select Pin “H”: I2C Bus, “L”: 3-wire Serial
I Chip Select Pin
(I2C pin = “L”)
I/O Control Data Input/Output Pin
(I2C pin = “H”)
I/O Chip Select Pin
(I2C pin = “L”)
I Chip Address Select Pin
(I2C pin = “H”)
I Control Data Clock Pin
(I2C pin = “L”)
I Control Data Clock Pin
(I2C pin = “H”)
I/O Input/Output Channel Clock Pin
I External Master Clock Input Pin
I/O Audio Serial Data Clock Pin
I Audio Serial Data Input Pin
O Audio Serial Data Output Pin
Power-down & Reset
I
When “L”, the AK4649 is in power-down mode and is held in reset.
The AK4649 must be always reset upon power-up.
O Master Clock Output Pin
- Digital Power Supply Pin
- Ground 2 Pin
O Speaker Amp Positive Output Pin
- Speaker Amp Power Supply Pin
- Ground 3 Pin
O Speaker Amp Negative Output Pin
I Mono Analog Signal Input Pin
I Lch Analog Input Line Input 1Pin
(DMIC bit = “0”)
I Digital Microphone Data Input Pin
(DMIC bit = “1”)
I Rch Analog Input 1 Pin
(DMIC bit = “0”)
O Digital Microphone Clock pin
(DMIC bit = “1”)
I Lch Analog Input 2 pin
I Rch Analog Input 2 Pin
O MIC Power Supply Pin for Microphone
(MPDMP bit = “0”)
O MIC Power Supply pin for Digital Microphone (MPDMP bit = “1”)
Note 2. All input pins except analog input pins (MIN, LIN1, RIN1, LIN2, RIN2) must not be left floating
MS1023-E-01
-6-
2010/08