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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)： | 34/48頁 |
| 文件大小： | 999K |
| 代理商： | T8532 |
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34
Lucent Technologies Inc.
Preliminary Data Sheet
November 2000
Codec Chip Set
T8531/T8532 Multichannel Programmable
Software Interface
(continued)
Table 19. T8531 Time-Slot Assignment Memory Map
All registers can be written by the microprocessor interface.
Table 20A.
Bit Map for T8531 Time-Slot Assignment Registers at 0x1400—0x140F
Table 20B. Bit Map for CTZ Disable and Null Channel
Notes:
X = Don’t care.
Bits 4 and 5 default to 1 upon reset.
Address Range
0x1400
0x1401
0x1402
0x1403
0x1404
0x1405
0x1406
0x1407
0x1408
0x1409
0x140A
0x140B
0x140C
0x140D
0x140E
0x140F
Memory Contents
Time slot 0 channel assignment
Time slot 1 channel assignment
Time slot 2 channel assignment
Time slot 3 channel assignment
Time slot 4 channel assignment
Time slot 5 channel assignment
Time slot 6 channel assignment
Time slot 7 channel assignment
Time slot 8 channel assignment
Time slot 9 channel assignment
Time slot 10 channel assignment
Time slot 11 channel assignment
Time slot 12 channel assignment
Time slot 13 channel assignment
Time slot 14 channel assignment
Time slot 15 channel assignment
Bit Number and Function
3
Null channel
15—6
Not used
5
4
2
1
0
CTZ disable
Binary-coded channel number 0—15
Bit 5
X
X
0
1
Bit 4
0
1
X
X
Function
Disables null pointer
Nulls channel
Enables CTZ
Disables CTZ
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