C5NPD0-DS datasheet(37/100 Pages) FREESCALE

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Pin Descriptions Grouped by Function

V 04

SONET OC-3 Transceiver Interface Configuration

Table 12 describes the SONET Optical Carrier (OC) 3 transceiver interface signals. For each

CP (0-15), you can implement a single OC-3 interface.

SONET OC-12 Transceiver Interface Configuration

SONET Optical Carrier (OC) 12 is implemented by using one cluster of CPs. At any time, a

CP within a cluster spends half its time performing receive functions, and the other half

performing transmit functions. Table 13 shows a CP Cluster configured for one OC-12

interface.

CPn+3_2

Table 6 1

LVTTL

RXD(5)

Receive Data

CPn+3_3

Table 6 1

LVTTL

RXD(4)

Receive Data

CPn+3_4

Table 6 1

LVTTL

RXD(3)

Receive Data

CPn+3_5

Table 6 1

LVTTL

RXD(2)

Receive Data

CPn+3_6

Table 6 1

LVTTL

RXD(0)

Receive Data (ten bits wide, first on wire)

TOTAL PINS

* n can be 0, 4, 8, or 12

† Reference Table 6 for pin numbers for the actual cluster(s) you are configuring.

Table 11 Gigabit Ethernet and Fibre Channel TBI Signals Example (continued)

SIGNAL NAME*

PIN #†

TOTAL

TYPE

I/O

LABEL

SIGNAL DESCRIPTION

Table 12 OC-3 Signals

SIGNAL NAME*

PIN #†

TOTAL

TYPE

I/O

LABEL

SIGNAL DESCRIPTION

CPn_0

Table 6

LVPECL

RCLK_H

Receive Clock noninverted side of pair (155.52MHz)

CPn_1

Table 6

LVPECL

RCLK_L

Receive Clock inverted side of pair (155.52MHz)

CPn_2

Table 6

LVPECL

TXD_H

Transmit Data noninverted side of pair

CPn_3

Table 6

LVPECL

TXD_L

Transmit Data inverted side of pair

CPn_4

Table 6

LVPECL

RXD_H

Receive Data noninverted side of pair

CPn_5

Table 6

LVPECL

RXD_L

Receive Data inverted side of pair

CPn_6

Table 6

LVPECL

SIGNAL_DET

A light level above a certain threshold is present at the optical

receiver - single ended LVPECL.

TOTAL PINS

* n can be from 0 to 15.

† Reference Table 6 for pin numbers for the actual cluster(s) you are configuring.

Freescale Semiconductor, Inc.

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C5NPD0-DS Datasheet(PDF) 37 Page - Freescale Semiconductor, Inc

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