eKA8562A
USB Audio Controller
Symbol
Pin No.
25
I/O
PWR
PWR
I
Function
VD
5V digital power supply pin
ADC analog power supply pin
Microphone analog input pin
VAD
26
MIC_IN
27
Non-inverting type amplifier. Normally, a feedback resistor connects
from AMPO to OPNF and a gain resistor connects to MIC.
OPNF
28
I
AMPO
ALC
29
30
O
I
Gain amplifier output and negative feedback Terminal for MIC
Automatic Level Control adjustment pin for MIC
Analog Ground pin2
AGND2
NC
31
32
-
No connection
F_ROUT
VDA2
VDA1
F_LOUT
AGND
VPHY
CMP2_IN
CMP1_IN
VBUS
DP
33
O
Front right channel analog audio output pin
DAC analog power supply Pin 2
DAC analog power supply Pin 1
Front left channel analog audio output pin
Analog ground pin
34
PWR
PWR
O
35
36
37
PWR
PWR
I
38
Phy and PLL power supply pin
Comparator 2 Input (FR)
39
40
I
Comparator 1 Input (MIC)
41
PWR
I/O
USB bus power supply pin
42
USB plus data line interface
USB minus data line interface
Digital ground pin
DM
43
I/O
DGND
NC
44
PWR
45-48
No connection
Product Specification (V0.1) 04.24.2006
(This specification is subject to change without further notice)
• 5
ELAN [ ELAN MICROELECTRONICS CORP ]
