參數(shù)資料
型號(hào): T8531A
元件分類: Codec
英文描述: T8531A/8532 Multichannel Programmable Codec Chip Set
中文描述: T8531A/8532多通道可編程解碼器芯片組
文件頁(yè)數(shù): 37/50頁(yè)
文件大小: 888K
代理商: T8531A
Agere Systems Inc.
37
Preliminary Data Sheet
September 2001
Codec Chip Set
T8531A/T8532 Multichannel Programmable
Software Interface
(continued)
Table 23. Bit Map for T8532 Powerup/Power
down Registers at 0x1500—0x1507 and 0x1540—0x1547
Notes:
PWR = 0: powerdown.
PWR = 1: powerup—normal operation.
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
Bit Number and Function
15
14—0
Not used
PWR
Bit Number and Function
5
TX gain
15
14—8
Not used
7
6
4
3
2
1
0
PWR
Termination impedance
LPBK
Bit 7
Bit 6
TXGAIN1
0
0
1
1
0
0
1
1
Bit 5
TXGAIN0
0
1
0
1
0
1
0
1
Mode
TXGAIN2
0
0
0
0
1
1
1
1
0 dB transmit gain
3.01 dB transmit gain
6.02 dB transmit gain
9.03 dB transmit gain
12.04 dB transmit gain
12.04 dB transmit gain
12.04 dB transmit gain
12.04 dB transmit gain
Bit 4
TI3
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
Bit 3
TI2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
Bit 2
TI1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
Bit 1
TI0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Gain
(See equation on page 13.)
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
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