PT8914 Datasheet, PDF (3/4 Pages) Princeton Technology Corp – USB Speaker Controller with Class D Amp.

ORDER INFORMATION
Valid Part Number
PT8914-S
Package Type
24 Pins, SOP, 300mil
PIN CONFIGURATION
Top Code
PT8914-S
PT8914
PIN DESCRIPTION
Pin Name
USBDP
USBDM
Vreg
Test
GND
Vref
VDD2
DACOR
VOLINR
VOLINL
DACOL
MUTE
VOLUP/DN
OUTLP
GNDL
VDDL
OUTLN
OUTRN
VDDR
GNDR
OUTRP
OSCO
OSCI
VDD1
I/O
I
I
Power
I
power
Power
Power
O
I
I
O
I
I
O
Power
Power
O
O
Power
Power
O
O
I
Power
Description
Pin No.
USB data plus
1
USB data minus
2
Regulator 3.3V power
3
Tie to high, tie to low to issue remote wake up signal 4
DAC ground
5
Reference voltage
6
DAC power
7
DAC output right channel
8
Volume in right channel
9
Volume in left channel
10
DAC output left channel
11
GPIO, Mute
12
GPIO, Volume up/down
13
Left channel positive output
14
Left channel ground
15
Left channel power
16
Left channel negative output
17
Right channel negative output
18
Right channel power
19
Right channel ground
20
Right channel positive output
21
Output for 12MHz oscillator
22
Input for 12MHz oscillator
23
USB 5V power
24
V1.1
3
October 2009