8

Table 1. PMX Encoding Definitions.

PMX

Mode

Description

0

Buffer

TX: Inputs are phase adjusted to transmit clock and serialized MSB (a) first.

RX: Serial data is byte aligned and presented with first bit (a) as MSB

1

Codec

TX: Inputs are phase adjusted, 8B/10B encoded, and serialized.

RX: Serial data is byte aligned and 8B/10B decoded

Table 2. Data Formats (TDA/RDA is representative of all Transmit and Receive Data Ports).

Pin

PMX 0

PMX 1

Buffer

Codec

TDA9/RDA9

a

ERR (RX_LOS or decoding error)

TDA8/RDA8

b

Z

TDA7/RDA7

c

D7

TDA6/RDA6

d

D6

TDA5/RDA5

e

D5

TDA4/RDA4

i

D4

TDA3/RDA3

f

D3

TDA2/RDA2

g

D2

TDA1/RDA1

h

D1

TDA0/RDA0

j

D0

Note: See Figure 4 for a connection diagram.

Table 3. Transmitter Data Rate.

Management Register 17

TXnP/N

TCn

Input Setting

Rate (GBd)

Rate (MHz)

Case

Full/Half

A

0

1.0625

106.25

B

1

2.125

106.25