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參數(shù)資料
| 型號(hào)： | 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(yè)數(shù)： | 38/48頁(yè) |
| 文件大?。?/td> | 999K |
| 代理商： | T8532 |
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38
Lucent Technologies Inc.
Preliminary Data Sheet
November 2000
Codec Chip Set
T8531/T8532 Multichannel Programmable
Software Interface
(continued)
Table 30. Bit Map for T8532 Channel Control Register 2 at 0x1518—0x151F and 0x1558—0x155F
Notes:
SUSEQ = 0: normal operation.
SUSEQ = 1: start-up calibration sequence.
Table 31. T8532 Control Register 2: Receive Gain
Table 32. T8531 Control Register Map
Note: A board control word controls a function that is common to all 16 channels of a given chip set.
Bit Number and Function
6—3
Not used
15—8
Not used
7
2
1
0
SUSEQ
Receive gain
Bit 2
Bit 1
Bit 0
Mode TLP Levels,
Termination Impedance Is On
RXGAIN2
0
0
0
0
1
1
1
1
RXGAIN1
0
0
1
1
0
0
1
1
RXGAIN0
0
1
0
1
0
1
0
1
6.02 dB receive gain
3.01 dB receive gain
0.0 dB receive gain
–3.01 dB receive gain
–6.02 dB receive gain
–9.03 dB receive gain
–12.04 dB receive gain
–12.04 dB receive gain
Address Range
0x1FFE
0x1FFC
0x1FFA
0x1FF8
0x1FF6
Register Contents
Board control word 1
Board control word 2
Board control word 3
Board control word 4
Board control word 5
Write by Microprocessor Interface
Y
Y
Y
Y
Y
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