參數(shù)資料
型號: STLC7545
廠商: 意法半導(dǎo)體
英文描述: Enhanced V.34 BIS Analog Front-End(單片模擬前端)
中文描述: 國際清算銀行增強.34模擬前端(單片模擬前端)
文件頁數(shù): 11/53頁
文件大?。?/td> 378K
代理商: STLC7545
III - FUNCTIONALDESCRIPTION
III.1- SIGNALTRANSFER BLOCK DIAGRAM
The STLC7545 Block Diagram illustratesthree pathsas follows : The Transmit D/A Section, the Receive
A/D section and the Receive Reconstructionsection.
Serial/Parallel
Conversion
Control
Logic
ResSig
FIR1
FIR2
FIR3
IIR3
RAM3
IIR2
RAM2
IIR1
RAM1
A/DC
D/AC
RxTx
TxSig
Analog Input
(Rx Signal + Echo)
SSIM
Analog Output
(Tx Signal)
RxSig
Selector
RxSig
FsrSync
FsrSync
RxS2
RxS1
Status
2 bits
TxDO
BCLKX
TxDI
SSIA
Serial/Parallel
Conversion
SSIB
RxDO
BCLKR
RxDI
16-bit data bus synchronized to the Tx clock system
Reg
Fsx
Fsx
Fsx
4 x Fsx
Fsx
4 x Fsx
Fsx
Fsr
Txoclk
4 x Fsx
Fsx
Note : Register
with Tristate Output
Fsr
Fsr
or 5 x Fsx
or 5 x Fsx
or 6 x Fsx
or 5 x Fsx
or 6 x Fsx
Txoclk
Txoclk
Rxoclk
Txoclk
Txoclk = 128
or 160 x Fsx
or 192 x Fsx
Txoclk
Txoclk
16-bit data bus synchronized to the Rx clock system
D/AC
EYEX
EYEY
8
8
D7:D0
D15:D8
D/AC
M
16-bit data bus Tx
7
Figure 2 :
Signal TransferBlock Diagram
STLC7545
11/53
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