ASAHI KASEI
[AK4358]
PIN/FUNCTION
No.
1
2
3
4
5
6
7
8
Pin Name
LOUT1-
LOUT1+
DZF3
DZF2
DZF1
CAD0
ACKSN
PDN
I/O
O
O
O
O
O
I
I
I
Function
DAC1 Lch Negative Analog Output Pin
DAC1 Lch Positive Analog Output Pin
Zero Input Detect 3 Pin
Zero Input Detect 2 Pin
Zero Input Detect 1 Pin
Chip Address 0 Pin
Auto Setting Mode Disable Pin (Pull-down Pin)
“L”: Auto Setting Mode, “H”: Manual Setting Mode
Power-Down Mode Pin
When at “L”, the AK4358 is in the power-down mode and is held in reset.
The AK4358 should always be reset upon power-up.
Audio Serial Data Clock Pin
Master Clock Input Pin
An external TTL clock should be input on this pin.
Digital Power Supply Pin, +4.75
∼
+5.25V
Digital Ground Pin
DAC4 Audio Serial Data Input Pin
DAC1 Audio Serial Data Input Pin
DAC2 Audio Serial Data Input Pin
DAC3 Audio Serial Data Input Pin
L/R Clock Pin
Control Mode Select Pin
“L”: 3-wire Serial, “H”: I
2
C Bus
Control Data Clock Pin
I2C = “L”: CCLK (3-wire Serial), I2C = “H”: SCL (I
2
C Bus)
Control Data Input Pin
I2C = “L”: CDTI (3-wire Serial), I2C = “H”: SDA (I
2
C Bus)
Chip Select Pin
I2C = “L”: CSN (3-wire Serial), I2C = “H”: CAD1 (I
2
C Bus)
DSD Clock Pin
DAC4 DSD Lch Data Input Pin
DAC4 DSD Rch Data Input Pin
DAC1 DSD Lch Data Input Pin
DAC1 DSD Rch Data Input Pin
DAC2DSD Lch Data Input Pin
DAC2 DSD Rch Data Input Pin
DAC3 DSD Lch Data Input Pin
DAC3 DSD Rch Data Input Pin
Audio Data Interface Format 0 Pin
DAC4 Rch Negative Analog Output Pin
DAC4 Rch Positive Analog Output Pin
Positive Voltage Reference Input Pin
Analog Power Supply Pin, +4.75
∼
+5.25V
Analog Ground Pin
DAC4 Lch Negative Analog Output Pin
DAC4 Lch Positive Analog Output Pin
DAC3 Rch Negative Analog Output Pin
DAC3 Rch Positive Analog Output Pin
DAC3 Lch Negative Analog Output Pin
DAC3 Lch Positive Analog Output Pin
DAC2 Rch Negative Analog Output Pin
DAC2 Rch Positive Analog Output Pin
2006/02
-4-
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
BICK
MCLK
DVDD
DVSS
SDTI4
SDTI1
SDTI2
SDTI3
LRCK
I2C
CCLK/SCL
CDTI/SDA
CSN/CAD1
DCLK
DSDL4
DSDR4
DSDL1
DSDR1
DSDL2
DSDR2
DSDL3
DSDR3
DIF0
ROUT4-
ROUT4+
VREFH
AVDD
AVSS
LOUT4-
LOUT4+
ROUT3-
ROUT3+
LOUT3-
LOUT3+
ROUT2-
ROUT2+
I
I
-
-
I
I
I
I
I
I
I
I/O
I
I
I
I
I
I
I
I
I
I
I
O
O
I
-
-
O
O
O
O
O
O
O
O
MS0203-E-01
AKM [ ASAHI KASEI MICROSYSTEMS ]
