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Princeton Technology Corp.
6-Channel Electronic Volume Controller IC Preliminary
PT2258
Data Bytes Description
FUNCTION BITS
MSB
LSB
A0
B0
A0
B0
A0
B0
A0
B0
A0
B0
A0
B0
A0
B0
M
FUNCTION
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
0
0
0
1
1
0
0
1
1
0
0
1
1
1
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
A3
0
A2
B2
A2
B2
A2
B2
A2
B2
A2
B2
A2
B2
A2
B2
0
A1
B1
A1
B1
A1
B1
A1
B1
A1
B1
A1
B1
A1
B1
0
6-Channel, -1dB/step
6-Channel, -10dB/step
A3
0
Channel No. 3, -1dB/step
Channel No. 3, -10dB/step
Channel No. 4, -1dB/step
Channel No. 4, -10dB/step
Channel No. 2, -1dB/step
Channel No. 2, -10dB/step
Channel No. 5, -1dB/step
Channel No. 5, -10dB/step
Channel No. 1, -1dB/step
Channel No. 1, -10dB/step
Channel No. 6, -1dB/step
Channel No. 6, -10dB/step
6-Channel, MUTE
A3
0
A3
0
A3
0
A3
0
A3
0
1
When M=1, MUTE=ON
When M=0, MUTE=OFF
PT2258 pre1.0
9
Updated July 2000
PTC [ PRINCETON TECHNOLOGY CORP ]
