T8531-TL-DB Agere Systems, Inc., T8531-TL-DB Datasheet - Page 36

• Manufacturer Part Number: T8531-TL-DB
• Description: Multichannel programmable codec chip set. Dry pack tray.
• Manufacturer: Agere Systems, Inc.

Codec Chip Set
Software Interface
Table 24. Bit Map for T8532 Channel Control Register 1 at 0x1508—0x150F and 0x1548—0x154F
Table 25. T8532 Control Register 1: Transmit Gain
Table 26. T8532 Control Register 1: Analog Termination Impedance
36
PWR
TXGAIN2
15
Bit 4
TI3
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
Bit 7
0
0
0
0
1
1
1
1
Not used
14—8
Bit 3
TI2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
TXGAIN1
Bit 6
(continued)
0
0
1
1
0
0
1
1
7
Bit 2
TI1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
TX gain
6
TXGAIN0
Bit Number and Function
Bit 5
0
1
0
1
0
1
0
1
Bit 1
TI0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
5
Gain (See equation on page 13.)
4
12.04 dB transmit gain
12.04 dB transmit gain
12.04 dB transmit gain
12.04 dB transmit gain
3.01 dB transmit gain
6.02 dB transmit gain
9.03 dB transmit gain
0 dB transmit gain
Termination impedance
0.0000
0.0583
0.1417
0.2250
0.3083
0.3917
0.5000
0.5583
0.6417
0.7083
0.8083
0.8917
0.9750
1.0583
1.2167
2.0000
Mode
3
2
Lucent Technologies Inc.
November 2000
1
LPBK
0