參數(shù)資料
型號: T8532
元件分類: Codec
英文描述: T8502 and T8503 Dual PCM Codecs with Filters
中文描述: T8502和T8503雙的PCM編解碼器與濾波器
文件頁數(shù): 36/48頁
文件大?。?/td> 999K
代理商: T8532
36
Lucent Technologies Inc.
Preliminary Data Sheet
November 2000
Codec Chip Set
T8531/T8532 Multichannel Programmable
Software Interface
(continued)
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
5
TX gain
15
14—8
Not used
7
6
4
3
2
1
0
PWR
Termination impedance
LPBK
Bit 7
Bit 6
Bit 5
TXGAIN0
0
1
0
1
0
1
0
1
Mode
TXGAIN2
0
0
0
0
1
1
1
1
TXGAIN1
0
0
1
1
0
0
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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