PT2259-S View Datasheet(PDF) - Princeton Technology
Part Name
Description
Manufacturer
PT2259-S Datasheet PDF : 21 Pages
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Volume Controller IC
DATA BYTES DESCRIPTION
FUNCTION BITS
MSB
1
1
0
1
A3
1
1
1
0
0
1
0
1
0
A3
1
0
1
1
0
0
0
1
0
A3
0
0
1
1
0
1
1
1
1
0
0
1
1
1
0
ATTENUATION UNIT BITS
A3
A2/B2
0
0
0
0
0
0
0
0
0
1
0
1
0
1
0
1
1
0
1
0
MUTE FUNCTION BITS
C1
0
0
1
1
Tel: 886-2-66296288
Fax: 886-2-29174598
URL: http://www.princeton.com.tw
PT2259
LSB
Function
A2 A1 A0 2-channel, -1dB/step
B2 B1 B0 2-channel, -10db/step
A2 A1 A0 Left channel, -1db/step
B2 B1 B0 Left channel, -10dB/step
A2 A1 A0 Right channel, -1dB/step
B2 B1 B0 Right channel, -10dB/step
0
0
0 Clear register
1
C1 C0 Mute select
A1/B1
0
0
1
1
0
0
1
1
0
0
A0/B0
0
1
0
1
0
1
0
1
0
1
Attenuation (dB)
0/0
-1/-10
-2/-20
-3/-30
-4/-40
-5/-50
-6/-60
-7/-70
-8/
-9/
C0
Function
0
Mute OFF
1
Right channel mute ON
0
Left channel mute ON
1
Left and right channel mute ON
PT2259 V1.2
-8-
June, 2005
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