[AK4399]
MS1005-E-03 2009/04
- 5 -
14 PSN I Parallel or Serial Select Pin (Internal pull-up pin)
“L”: Serial Control Mode, “H”: Parallel Control Mode
TST2 I
Test pin in Parallel Control Mode.
Connect to GND.
15
DZFR O Rch Zero Input Detect Pin in Serial Control Mode
16 BCK I Audio Serial Data Clock Pin (Internal pull-down pin)
17 NC - No internal bonding.
Connect to GND.
18 DINR I Rch Audio Serial Data Input Pin (Internal pull-down pin)
19 DINL I Lch Audio Serial Data Input Pin (Internal pull-down pin)
20 NC - No internal bonding.
Connect to GND.
21 VCMR - Right channel Common Voltage Pin,
Normally connected to VSS with a 10uF electrolytic cap.
22 AOUTRP O Rch Positive Analog Output Pin
23 AOUTRN O Rch Negative Analog Output Pin
24 VSS1 - Ground Pin
25 VDDR - Rch Analog Power Supply Pin, 4.75 ∼ 5.25V
26 VREFHR I Rch High Level Voltage Reference Input Pin
27 VREFLR I Rch Low Level Voltage Reference Input Pin
28 NC - No internal bonding.
Connect to GND.
29 VREFLL I Lch Low Level Voltage Reference Input Pin
30 VREFHL I Lch High Level Voltage Reference Input Pin
31 VDDL - Lch Analog Power Supply Pin, 4.75 ∼ 5.25V
32 VSS2 - Ground Pin
33 AOUTLN O Lch Negative Analog Output Pin
34 AOUTLP O Lch Positive Analog Output Pin
35 VCML - Left channel Common Voltage Pin,
Normally connected to VSS with a 10uF electrolytic cap.
36 NC - No internal bonding.
Connect to GND.
37 NC - No internal bonding.
Connect to GND.
38 NC - No internal bonding.
Connect to GND.
39 NC - No internal bonding.
Connect to GND.
40 VSS3 - Ground Pin
41 AVDD - Analog Power Supply Pin, 4.75 ∼ 5.25V
42 MCLK I Master Clock Input Pin
43 VSS4 - Ground Pin
44 NC - No internal bonding.
Connect to GND.
Note: All input pins except internal pull-up/down pins must not be left floating.