cn8223 Mindspeed Technologies, cn8223 Datasheet - Page 24

• Manufacturer Part Number: cn8223
• Description: Atm Transmitter/receiver With Utopia Interface
• Manufacturer: Mindspeed Technologies

1.0 Product Description
1.8 CN8223 Applications
Figure 1-6. CN8223 Connected to CAT 5 or PMD
Figure 1-7. CN8223 Connected to Bt8360
1-14
Layer
ATM
UTOPIA
UTOPIA
Cells
Rx Bus
Tx Bus
Control Bus
Pin
18
15
19
30
32
36
10
CN8223
TXOUT[3]
RXIN[3]
RXIN[0]
RXIN[4]
CN8223
RXCKI
TXCKI
TXIN
System Clock
1.8 CN8223 Applications
The CN8223 can be connected to several types of framers and PMDs.
illustrates a general application where the CN8223 is connected to either a CAT 5
or Fiber Optic PMD.
CN8223 using a Bt8360 External T1 Framer.
TXDATO
RXDATI
RXLOS*
Signal
RXCKI
TXCKI
RXSYI
TXSYI
(Analog Devices
Semiconductor
CX7B952)
RxData
RxCLK
AD6116)
(Cypress
TxCLK
OR
XBCKI
XCKI
XBSFSYO
XPCMI
SLSYI
RCKO/SLCKI
RFSYO/SLFSYO
RPCMO/SLPCMO
±
±
±
Conexant
Figure 1-7
Loss of Signal
Clock Recovery
TxData
19.44 MHz
Oscillator
Circuit
±
illustrates an example implementation of the
Bt8360
ATM Transmitter/Receiver with UTOPIA Interface
37/49
38/41
36/55
Pin
43
27
30
50
29
Raw RD
Pin
63
62
61
7
6
8
XNEGO
XPOSO
±
RNEGI
RPOSI
XCKO
RCKI
SDM 4201-XC)
(PE-68532G or
PE-68538G)
Engineering
CAT 5 UTP
Transceiver
(Sumitomo
Module
Pulse
Fiber
OR
Tx Data
Rx Data
Tx Clock
Derived
LIU
Figure 1-6
100046D
Tx
CN8223
Rx