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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 |
| 文件頁數(shù)： | 37/48頁 |
| 文件大?。?/td> | 999K |
| 代理商： | T8532 |
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Lucent Technologies Inc.
37
Preliminary Data Sheet
November 2000
Codec Chip Set
T8531/T8532 Multichannel Programmable
Software Interface
(continued)
Table 27. T8532 Control Register 1: Digital Loopback
Table 28. Bit Map for T8532 All Channel Test Register at 0x1510 and 0x1550
Table 29. Bits 3:0 of T8532 All Channel Test Register at 0x1510 and 0x1550
Notes:
Read out address provides the previous read or write address to CDO whenever a new address is being written into the register.
When analog loopback is high, data that enters the analog transmit path (VTX) is converted to a 1.024 MHz digital bit stream and routed back
to the analog receive path (VRP, VRN). The output of the transmit path is available on the oversampled data interface, but receive path over-
sampled data is ignored.
5-5134 (F)
When digital loopback is high, oversampled data receive (OSDR) is routed to oversampled data transmit (OSDX). The receive signal is propa-
gated to VRN/VRP, but any transmit signal from VTX is disconnected. A reference voltage on VRTX is still required in this mode.
5-5135 (F)
Bit 0
LPBK
0
1
Mode
Normal operation
Digital loopback
Bit Number and Function
2
Reserved
15—4
Not used
3
1
0
Read out address
Analog loopback
Digital loopback
Bit Number
Function
3
0
1
—
—
—
—
—
—
2
—
—
0
1
—
—
—
—
1
—
—
—
—
0
1
—
—
0
—
—
—
—
—
—
0
1
Normal operation
Read out address
Reserved
Normal operation
Normal operation
Analog loopback
Normal operation
Digital loopback
OVERSAMPLED
DATA
INTERFACE
A/D, D/A
VTX
VRP
OSDX
OSDR
OVERSAMPLED
DATA
INTERFACE
A/D, D/A
VTX
VRP
OSDX
OSDR
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| T85331J | 制造商:BITECH 制造商全稱:Bi technologies 功能描述:Thick Film Super Low Profile SIP Resistor Networks |
| T8534 | 制造商:AGERE 制造商全稱:AGERE 功能描述:T8533/34 Quad Programmable Line Card Signal Processor |
| T8535B | 制造商:AGERE 制造商全稱:AGERE 功能描述:T8535B/T8536B Quad Programmable Codec |
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