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參數(shù)資料
| 型號： | AD28msp01KST⒂ |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | PSTN Signal Port |
| 中文描述： | PSTN的信號端口 |
| 文件頁數(shù)： | 15/28頁 |
| 文件大?。?/td> | 368K |
| 代理商： | AD28MSP01KST⒂ |
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AD28msp01
REV. A
–15–
FROM MODEM TX
TO MODEM RX
AD28msp01
A/D
DATA
REGISTER 2
CONTROL
REGISTER 4
RX PHASE ADJUST
ANALOG IN
MCLK
16
16
DSP Processor
D/A
DATA
REGISTER 0
16
ANALOG OUT
TCONV
TBIT
TBAUD
PHASE ADJUST
TX CLOCKS
TX CLOCKS
RX CLOCKS
RCONV
RBIT
RBAUD
PHASE ADJUST
CONVERT
START
CONVERT
START
CONTROL
REGISTER 5
TX PHASE ADJUST
16
Figure 11. Asynchronous Fallback Mode Block Diagram
Operating Mode Summary
Table III summarizes the operating modes.
Table III. Operating Mode Summary
Internal Filter
Operation
Synchronous To:
ADC
Initial Phase
Lock After
Entering Mode
Phase Adjust
Control
Register 0
OP 2-0
Normal DPLL* Register
Operation
Resampling
Interpolator
Mode
Programmable
DAC
Async Fallback
no phase lock
no phase lock
RCV, TX
not used
RCONV
TCONV
0 0 0
Async TSYNC
TCONV lock
to TSYNC
TCONV lock
to TSYNC
RCV
not used
RCONV
TCONV
1 1 1
V.32 TSYNC
RCONV lock
to TCONV
TCONV lock
to TSYNC
RCV
Input synchronous
and in phase with
TCONV, Output
synchronous and in
phase with RCONV
TCONV
TCONV
1 0 0
V.32 Internal Sync RCONV lock
no phase lock
RCV, TX
Input synchronous
and in phase with
TCONV, Output
synchronous and in
phase with RCONV
TCONV
TCONV
1 0 1
to TCONV
V.32 Loopback
TCONV lock
to RCONV
no phase lock
RCV
not used
TCONV
TCONV
1 1 0
NOTES
*DPLL—Digital Phase-Locked loop.
RCV phase adjusted via Control Register 4, TX phase adjusted via Control Register 5.
Adjusting RCV phase also adjusts TX phase in this mode.
Note: All receive clocks: RBIT, RBAUD are synchronous to RCONV. All transmit clocks: TBIT, TBAUD are synchronous to TCONV.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AD28MSP01KP | PSTN Signal Port |
| AD28MSP01KR | PSTN Signal Port |
| AD28MSP02 | RD Series - Econoline Unregulated DC-DC Converters; Input Voltage (Vdc): 24V; Output Voltage (Vdc): 15V; Power: 2W; Low Cost 2W Dual Output Converter; Industry Standard SIP7 and DIP14 Packages; Power Sharing on Outputs; Optional Continuous Short Circuit Protected; 1kVDC & 2kVDC Isolation Options; UL94V-0 Package Material; Efficiency to 86% |
| AD28MSP02BN | Voiceband Signal Port |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD28MSP01KST⒂ | 制造商:AD 制造商全稱:Analog Devices 功能描述:PSTN Signal Port |
| AD28MSP02 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Voiceband Signal Port |
| AD28MSP02BN | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| AD28MSP02BR | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| AD28MSP02KN | 制造商:AD 制造商全稱:Analog Devices 功能描述:Voiceband Signal Port |
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