PT8915
PIN DESCRIPTION
Pin Name
VDD1
USBDP
USBDM
Vreg
USB/LINE
GND2
Vref
VDD2
DACOR
VOLINR
INR
INL
VOLINL
DACOL
MUTE
VOLUP/DN
OUTLP
GNDL
VDDL
OUTLN
OUTRN
VDDR
GNDR
OUTRP
IICSDA
IICSCL
OSCO
OSCI
I/O
Power
I
I
Power
I
power
Power
Power
O
I
I
I
I
O
I
I
O
Power
Power
O
O
Power
Power
O
O
O
O
I
Description
USB 5V power
USB data plus
USB data minus
Regulator 3.3V power
USB/Line-In mode selector, issue remote wake up
signal for PC/Notebook system suspend.
DAC ground
Reference voltage
DAC power
DAC output right channel
Volume in right channel
Line in right channel
Line in left channel
Volume in left channel
DAC output left channel
GPIO, Mute
GPIO, Volume up/down
Left channel positive output
Left channel ground
Left channel power
Left channel negative output
Right channel negative output
Right channel power
Right channel ground
Right channel positive output
IIC data
IIC clock
Output for 12MHz oscillator
Input for 12MHz oscillator
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
V1.2
4
December 2009
PTC [ PRINCETON TECHNOLOGY CORP ]
