ASAHI KASEI
[AK4526A]
No.
33
34
35
36
37
38
39
Pin Name
VREFL
VCOM
VREFH
AVDD
AVSS
XTI
XTO
MCKI
P/ S
DIF0
CS
DIF1
CCLK
LOOP0
CDTI
I/O
I
O
I
-
-
I
O
I
I
I
I
I
I
I
I
I
O
40
41
42
43
44
LOOP1
CDTO
Function
Negative Voltage Reference Input Pin, AVSS
Common Voltage Output Pin, AVDD/2
Large external capacitor is used to reduce power-supply noise.
Positive Voltage Reference Input Pin, AVDD
Analog Power Supply Pin
Analog Ground Pin
X’tal Input Pin
X’tal Output Pin if XTS=”H”
External Master Clock Input Pin if XTS=”L”
Parallel/Serial Select Pin
“L”: Serial control mode, “H”: Parallel control mode
Audio Data Interface Format Pin in parallel mode
Chip Select Pin in serial mode
Audio Data Interface Format Pin in parallel mode
Control Data Clock Pin in serial mode
Loopback Mode Pin in parallel mode
Enables digital loop-back from ADC to 3 DACs.
Control Data Input Pin in serial mode
Loopback Mode Pin in parallel mode
Enables all 3 DAC channels to be input from SDTI1.
Control Data Output Pin in serial mode
If pins XTS, ICKS0, ICKS1, PD , P/ S , DFS, DEM0, DEM1, CAD0, CAD1, M/ S , OCKS, SDOS are not driven, then
XTS, ICKS0,ICKS1, CAD0, CAD1 must be tied to either AVSS or AVDD. PD , P/ S , DFS, DEM0, DEM1, M/ S ,
OCKS, SDOS must be tied to either DVSS or DVDD.
M0037-E-02
-5-
1999/6
AKM [ ASAHI KASEI MICROSYSTEMS ]
