ASAHI KASEI [AK4359]
MS0289-E-00 2004/02
- 4 -
PIN/FUNCTION
No. Pin Name I/O Function
1 MCLK I Master Clock Input Pin
An external TTL clock should be input on this pin.
2 BICK I Audio Serial Data Clock Pin
3 SDTI1 I DAC1 Audio Serial Data Input Pin
4 LRCK I L/R Clock Pin
5 RSTB I Reset Mode Pin
When at “L”, the AK4359 is in the reset mode.
The AK4359 should always be reset upon power-up.
SMUTE I Soft Mute Pin in parallel mode
“H”: Enable, “L”: Disable
CSN I Chip Select Pin in serial 3-wire mode
6
CAD0 I Chip Address Pin in serial I2C mode
ACKS I Auto Setting Mode Pin in parallel mode
“L”: Manual Setting Mode, “H”: Auto Setting Mode
CCLK I Control Data Clock Pin in serial 3-wire mode
7
SCL Control Data Clock Pin in serial I2C mode
DIF0 I Audio Data Interface Format Pin in parallel mode
CDTI I Control Data Input Pin in serial 3-wire mode
8
SDA I/O Control Data Pin in serial I2C mode
9 SDTI2 I DAC2 Audio Serial Data Input Pin
10 SDTI3 I DAC3 Audio Serial Data Input Pin
11 SDTI4 I DAC4 Audio Serial Data Input Pin
12 DIF1 I Audio Data Interface Format Pin
13 DEM0 I De-emphasis Filter Enable Pin
14 DVDD
Digital Power Supply Pin, +4.5
+5.5V
15 DVSS Digital Ground Pin
I2C I Control Mode Select Pin in serial mode
“L”: 3-wire Serial, “H”: I
2
C Bus
16
DEM1 I De-emphasis Filter Enable Pin in parallel mode
17 ROUT4 O DAC4 Rch Analog Output Pin
18 LOUT4 O DAC4 Rch Analog Output Pin
19 ROUT3 O DAC3 Rch Analog Output Pin
20 LOUT3 O DAC3 Rch Analog Output Pin
21 ROUT2 O DAC2 Rch Analog Output Pin
22 LOUT2 O DAC2 Rch Analog Output Pin
23 P/S I
Parallel/Serial Select Pin (Internal pull-up pin)
“L”: Serial control mode, “H”: Parallel control mode
24 ROUT1 O DAC1 Rch Analog Output Pin
25 LOUT1 O DAC1 Lch Analog Output Pin
26 VCOM O Common Voltage Pin, AVDD/2
Normally connected to AVSS with a 0.1
F ceramic capacitor in parallel with
a 10
F electrolytic cap.
27 AVSS - Analog Ground Pin
28 AVDD -
Analog Power Supply Pin, +4.5
+5.5V
29 DZF2 O Data Zero Input Detect Pin
30 DZF1 O Data Zero Input Detect Pin
Note: All input pins except pull-up pin should not be left floating.
To Next Page
Loading...
Need help?
General
