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CHAPTER 2: SIGNAL DESCRIPTIONS
Table 20 Utopia1*, 2*, 3 ATM Mode, C-3e Network Processor to Fabric Interface Pin Mapping
RECEIVE SIGNALS
TRANSMIT SIGNALS
C-3E NETWORK
PROCESSOR
C-3E NETWORK
PROCESSOR
I/O
UTOPIA
NOTE
I/O
UTOPIA
NOTE
FRXCTL0
Output
RxEnb*
Pullup or No
Connection
FTXCTL0
Output
TxEnb*
Pullup or No
Connection
FRXCTL1
FRXCTL2
FRXCTL6
Input
Input
Input
RxClav
RxSOC
RxPrty
FTXCTL1
FTXCTL2
FTXCTL6
Input
TxClav
TxSOC
TxPrty
Output
Output
*
Cell size must be 4Byte aligned. Both RxEnb and TxEnb are Active Low.
Table 21 Utopia1*, 2*, 3 PHY Mode, C-3e Network Processor to Fabric Interface Pin Mapping
RECEIVE SIGNALS
TRANSMIT SIGNALS
C-3E NETWORK
PROCESSOR
C-3E NETWORK
PROCESSOR
I/O
UTOPIA
TxEnb*
TxClav
TxSOC
TxPrty
NOTE
I/O
UTOPIA
RxEnb*
RxClav
RxSOC
RxPrty
NOTE
FRXCTL0
FRXCTL1
FRXCTL2
FRXCTL6
Input
Output
Input
Input
Pullup
FTXCTL0
Input
Pullup
No Connection FTXCTL1
FTXCTL2
Output
Output
Output
No Connection
FTXCTL6
*
Cell size must be 4Byte aligned. Both TxEnb and RxEnb are Active Low.
When configuring two C-3e network processors back-to-back using the Fabric Port, set
up the transmit side of each C-3e network processor in Utopia ATM mode and the receive
side of each C-3e network processor in Utopia PHY mode.
C3EN
FREESCALE [ Freescale ]
