ASAHI KASEI
[AK4628A]
PIN/FUNCTION
No.
1
Pin Name
SDOS
I/O
I
Function
SDTO Source Select Pin
(Note 1)
“L”: Internal ADC output, “H”: DAUX input
SDOS pin should be set to “L” when TDM= “1”.
Control Mode Select Pin
“L”: 3-wire Serial, “H”: I
2
C Bus
Soft Mute Pin
(Note 1)
When this pin goes to “H”, soft mute cycle is initialized.
When returning to “L”, the output mute releases.
Audio Serial Data Clock Pin
Input Channel Clock Pin
DAC1 Audio Serial Data Input Pin
DAC2 Audio Serial Data Input Pin
DAC3 Audio Serial Data Input Pin
Audio Serial Data Output Pin
AUX Audio Serial Data Input Pin
Double Speed Sampling Mode Pin (Note 1)
“L”: Normal Speed, “H”: Double Speed
DAC4 Audio Serial Data Input Pin
Zero Input Detect Enable Pin
“L”: mode 7 (disable) at parallel mode,
zero detect mode is selectable by DZFM3-0 bits at serial mode
“H”: mode 0 (DZF1 is AND of all eight channels)
Output Buffer Power Supply Pin, 2.7V∼5.5V
Digital Power Supply Pin, 4.5V∼5.5V
Digital Ground Pin, 0V
Power-Down & Reset Pin
When “L”, the AK4628A is powered-down and the control registers are reset to default
state. If the state of P/S or CAD1-0 changes, then the AK4628A must be reset by PDN.
Test Pin
This pin should be connected to DVSS.
Chip Address 1 Pin
Chip Address 0 Pin
DAC4 Lch Analog Output Pin
DAC4 Rch Analog Output Pin
2
3
I2C
SMUTE
I
I
4
5
6
7
8
9
10
11
12
13
BICK
LRCK
SDTI1
SDTI2
SDTI3
SDTO
DAUX
DFS0
SDTI4
DZFE
I
I
I
I
I
O
I
I
I
I
14
15
16
17
TVDD
DVDD
DVSS
PDN
-
-
-
I
18
19
20
21
22
TST1
CAD1
CAD0
LOUT4
ROUT4
I
I
I
O
O
MS0385-E-00
-5-
2005/02
AKM [ ASAHI KASEI MICROSYSTEMS ]
