AK4679EG Datasheet, PDF (11/220 Pages) Asahi Kasei Microsystems – 24bit Stereo CODEC with DSP and MIC/RCV/HP/SPK/LINE-AMP

[AK4679]
D2 ^SDOUT4
GP1
O ^{Serial Data Output 4 Pin}
DSP Programmable output 1 Pin
(SELDO4 bit = “0”)
(SELDO4 bit = “1”)
C2 I2CE
I Control Interface Mode Select Pin for DSP Block “H”: I2CE, “L”: SPI
C7 ^SCLK
CAD0
Serial Clock Input pin
I
Slave Address 0 Input pin
SPI (I2CE pin = “L”)
I2C (I2CE pin = “H”)
B8 ^CSN
SCLE
Chip select pin
I
Control Interface clock input pin
SPI (I2CE pin = “L”)
I2C (I2CE pin = “H”)
SO
C5
SDAE
O Serial data output pin
I/O Control Interface input/output acknowledge pin
SPI (I2CE pin = “L”)
I2C (I2CE pin = “H”)
C6 ^SI
CAD1
Serial data input pin
I
Slave Address 1 Input pin
SPI (I2CE pin = “L”)
I2C(I2CE pin = “H”)
E4 TEST
I Test pin (pull-down resistor) must be connected to VSS4.
Note 2. All input pins must not be allowed to float.
Note 3. I2CE and CAD0/1 pins must be fixed to “L” (VSS4) or “H” (TVDDE).
■ Handling of Unused Pin on the System
The unused input and output pins on the system should be processed appropriately as below.
Classification
Analog
Digital
Pin Name
MPWR1, MPWR2, SPP, SPN, RCP, RCN, HPL,
HPR, ROUT/LON, LOUT/LOP, RIN4, LIN4,
RIN3/IN3−, LIN3/IN3+, RIN2/IN2+, LIN2/IN2-,
RIN1/IN1−, LIN1/IN1+, CPA, CNA, CPB, CNB,
VEE, SPFIL
SDTO, SDTOA, SDTOB
STO/RDY, SDOUT3/GPO, SDOUT4/GP1
MCKI, SDTI, SDTIA, SDTIB, BICKA, SYNCA,
BICKB, SYNCB
LRCK, BICK
SYNC1, BCLK1, SDIN3, SDIN4, SYNC3/JX1,
BCLK3/JX0, TEST
Setting
These pins should be open.
These pins should be open.
These pins should be connected to VSS2.
These pins should be connected to VSS2
and M/S bit should be set to “0”.
These pins should be connected to VSS4
■ Pin States in DSP Power-down Mode
The table below shows pin states when the PDNE pin= “L”.
NO Pin Name I/O
Pin state
G3 ^STO
RDY
Low
O
H1 SDOUT1
O SDIN2 data output
D6 SYNC2
O SYNC1 data output
F2 BCLK2
O BCLK1 data output
C4 SDOUT2
O SDIN1 data output
F4 ^SDOUT3
GP0
O ^{SDIN4 data output}
D2 ^SDOUT4
GP1
O ^{SDIN3 data output}
C5 ^SO
SDAE
O Low level (I2CE pin = “L”: SPI)
I/O Hi-z
(I2CE pin = “H” :I²C)
MS1402-E-06
- 11 -
2013/02