參數(shù)資料
型號: 28233-11
廠商: CONEXANT SYSTEMS
元件分類: 數(shù)字傳輸電路
英文描述: ATM Transmitter/Receiver with UTOPIA Interface
中文描述: TRANSCEIVER, PQFP160
封裝: PLASTIC, MQFP-160
文件頁數(shù): 26/161頁
文件大小: 1832K
代理商: 28233-11
Set the configuration registers for transparent operation.
Disable the parallel interface.
Disable line loopback.
1.0 Product Description
CN8223
1.8 CN8223 Applications
ATM Transmitter/Receiver with UTOPIA Interface
1-16
Conexant
100046C
Figure 1-10
illustrates an example implementation of the CN8223 using a
TDK 78P7200 T3 LIU. Unused pins on the CN8223 must be tied as follows:
unused RXIN_8:0 pins tie to ground, PECL inputs RXCKI_HS±, RXIN_HS±,
and TXCKI_HS± tie to +5 V
1.8.1 CN8223 as a DS3 or E3 G.751 Framer without ATM Cell Delineation
The CN8223 can be used as a DS3 or an E3 G.751 framer with parallel input and
serial output by making the following changes:
In this setup, the receive frame sync pulse is on pin 43, TXOUT[5]. Data is
received on pin 56, TXOUT[6]. The receive clock is derived from the LIU device.
Data is transmitted through the parallel UTOPIA interface.
Figure 1-10. CN8223 Connected to TDK 78P7200
Rx
RXIN[4]
TXCKI
TXOUT[1]
RXCKI
TCLKO
RXIN[2]
TXOUT[2]
RXIN[1]
CN8223
8
Tx
Cells
ATM
Layer
RPOS
LOWSIG
Pin
31
Pin
Signal
35
34
10
17
16
19
30
14
23
24
25
27
15
27
TPOS
TNEG
TCLK
RCLK
System Clock
(44.736 MHz)
RNEG
TDK 78P7200
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