175
AK4358VQ (HDMI : U2404)
AK4358VQ Pin Function
ASAHI KASEI    [AK4358] 
MS0203-J-01   2006/02 
  - 2 - 
 オーダリングガイド
      AK4358VQ    -40∼+85°C       48pin LQFP 
AKD4358  評価ボード
 ピン配置
LOUT1-
1
LOUT1+
48
2
DZF3 3 
DZF2 4 
DZF1
5
CAD0 6 
ACKSN 7 
PDN 8 
BIC
9
MCL
10
DVDD
ROUT1- 
47
LOUT2+ 
46
45
44
ROUT2-
43
LOUT3+ 
42
LOUT3- 
41
ROUT3+ 
40
ROUT3- 
39
LOUT4+ 38
SDTI4 
13 
SDTI1 
14 
SDTI2 
15 
SDTI3 
16 
LRCK 
17 
18 
CCLK/SCL 19 
CDTI/SDA 
20 
CSN/CAD1 
21 
DCLK 
22 
DSDL4 
23 
36
35
34
33
32
31
30
29
28
27
26
AVSS 
AVDD 
VREFH 
ROUT4+
ROUT4- 
DIF0 
DSDR3 
DSDL3 
DSDR2 
DSDL2 
DSDR1 
AK4358VQ 
Top View 
I2C 
LOUT2- 
ROUT2+ 
LOUT4- 
37
DSDR4 
24 
11 
DVSS 12  25 DSDL1 
ASAHI KASEI    [AK4358] 
MS0203-J-01   2006/02 
  - 4 - 
PIN/FUNCTION 
No.  Pin Name  I/O  Function 
1  LOUT1-  O  DAC1 Lch Negative Analog Output Pin 
2  LOUT1+  O  DAC1 Lch Positive Analog Output Pin 
3  DZF3  O  Zero Input Detect 3 Pin 
4  DZF2  O  Zero Input Detect 2 Pin 
5  DZF1  O  Zero Input Detect 1 Pin 
6  CAD0  I  Chip Address 0 Pin 
7  ACKSN  I  Auto Setting Mode Disable Pin (Pull-down Pin) 
   “L”: Auto Setting Mode,    “H”: Manual Setting Mode 
8  PDN  I  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. 
9  BICK  I  Audio Serial Data Clock Pin  
10  MCLK  I  Master Clock Input Pin 
   An external TTL clock should be input on this pin. 
11 DVDD  - 
Digital Power Supply Pin, +4.75∼+5.25V 
12  DVSS  -  Digital Ground Pin 
13  SDTI4  I  DAC4 Audio Serial Data Input Pin 
14  SDTI1  I  DAC1 Audio Serial Data Input Pin 
15  SDTI2  I  DAC2 Audio Serial Data Input Pin 
16  SDTI3  I  DAC3 Audio Serial Data Input Pin 
17  LRCK  I  L/R Clock Pin 
18  I2C  I  Control Mode Select Pin 
“L”: 3-wire Serial, “H”: I
2
C Bus 
19  CCLK/SCL  I  Control Data Clock Pin 
I2C = “L”: CCLK (3-wire Serial), I2C = “H”: SCL (I
2
C Bus) 
20  CDTI/SDA  I/O  Control Data Input Pin 
I2C = “L”: CDTI (3-wire Serial), I2C = “H”: SDA (I
2
C Bus) 
21  CSN/CAD1  I  Chip Select Pin 
I2C = “L”: CSN (3-wire Serial), I2C = “H”: CAD1 (I
2
C Bus) 
22  DCLK  I  DSD Clock Pin 
23  DSDL4  I  DAC4 DSD Lch Data Input Pin 
24  DSDR4  I  DAC4 DSD Rch Data Input Pin 
25  DSDL1  I  DAC1 DSD Lch Data Input Pin 
26  DSDR1  I  DAC1 DSD Rch Data Input Pin 
27  DSDL2  I  DAC2DSD Lch Data Input Pin 
28  DSDR2  I  DAC2 DSD Rch Data Input Pin 
29  DSDL3  I  DAC3 DSD Lch Data Input Pin 
30  DSDR3  I  DAC3 DSD Rch Data Input Pin 
31  DIF0  I  Audio Data Interface Format 0 Pin 
32  ROUT4-  O  DAC4 Rch Negative Analog Output Pin 
33  ROUT4+  O  DAC4 Rch Positive Analog Output Pin 
34  VREFH  I  Positive Voltage Reference Input Pin 
35 AVDD  - 
Analog Power Supply Pin, +4.75∼+5.25V 
36  AVSS  -  Analog Ground Pin 
37  LOUT4-  O  DAC4 Lch Negative Analog Output Pin 
38  LOUT4+  O  DAC4 Lch Positive Analog Output Pin 
39  ROUT3-  O  DAC3 Rch Negative Analog Output Pin 
40  ROUT3+  O  DAC3 Rch Positive Analog Output Pin 
41  LOUT3-  O  DAC3 Lch Negative Analog Output Pin 
42  LOUT3+  O  DAC3 Lch Positive Analog Output Pin 
43  ROUT2-  O  DAC2 Rch Negative Analog Output Pin 
44  ROUT2+  O  DAC2 Rch Positive Analog Output Pin