[AK4497]
■
Pin Functions
No. Pin Name
1 LDOE
2
PDN
BICK
BCK
DCLK
SDATA
4
DINL
DSDL
LRCK
DINR
DSDR
SSLOW
WCK
TDMO
SMUTE
CSN
SD
CCLK
SCL
SLOW
CDTI
SDA
DIF0
DZFL
DIF1
DZFR
DIF2
CAD0
PSN
HLOAD
I2C
DEM0
DSDL
GAIN
DSDR
ACKS
CAD1
I
I
I
I
I
I
I/O
I
I
I
I
I
I
I
I
I
I
I
I
I
O
I
I
I
I
I
I
I
I/O
I
O
I
O
I
I
I
I
Function
Internal LDO Enable Pin. “L”: Disable, “H”: Enable
Power-Down Mode Pin
When at “L”, the AK4497 is in power-down mode and is held in reset. The
AK4497 must always be reset upon power-up.
Audio Serial Data Clock Pin in PCM Mode
Audio Serial Data Clock Pin
DSD Clock Pin in DSD Mode (DSDPATH bit = “1”)
Audio Serial Data Input Pin in PCM Mode
Lch Audio Serial Data Input Pin
DSD Lch Data Input Pin in DSD Mode(DSDPATH bit = “1”)
L/R Clock Pin in PCM Mode
Rch Audio Serial Data Input Pin
DSD Rch Data Input Pin in DSD Mode(DSDPATH bit = “1”)
Digital Filter Select Pin in Pin Control Mode
Word Clock input pin
Audio Serial Data Output in Daisy Chain mode (Internal pull-down pin)
When this pin is changed to “H”, soft mute cycle is initiated.
When returning “L”, the output mute releases.
Chip Select Pin in Register Control Mode
Digital Filter Select Pin in Pin Control Mode
Control Data Clock Pin in Register Control Mode
I2C=”H”: Control Data Clock Input Pin
Digital Filter Select Pin in Pin Control Mode
Control Data Input Pin in Register Control Mode
I2C=”H”: Control Data Input Pin
Digital Input Format 0 Pin in Pin Control Mode
Lch Zero Input Detect Pin in Register Control Mode (Internal pull-down pin)
Digital Input Format 1 Pin in Pin Control Mode
Rch Zero Input Detect Pin in Register Control Mode (Internal pull-down pin)
Digital Input Format 2 Pin in Pin Control Mode
Chip Address 0 Pin in Register Control Mode
Pin Control Mode or Register Control Mode select Pin (Internal pull-up pin)
“L”: Register Control Mode, “H”: Pin Control Mode
Heavy Load Mode Enable Pin in Pin Control Mode.
Resister Control Interface Pin in Register Control Mode.
De-emphasis Enable 0 Pin in Pin Control Mode
DSD Lch Data Input Pin in DSD Mode (DSDPATH bit =”0”)
Output Gain Control Pin in Pin control mode (+2.5dB)
DSD Rch Input Pin in DSD Mode (DSDPATH bit =”0”)
Auto Setting Mode Select Pin in Pin control mode
“L”: Manual Setting Mode, “H”: Auto Setting Mode
Chip Address 1 Pin in Register Control Mode
3
5
6
7
8
9
10
11
12
13
14
15
16
17
18
016003187-E-00
-6-
2016/05
AKM [ ASAHI KASEI MICROSYSTEMS ]
