HDMP-2689 Datasheet, PDF (8/28 Pages) Agilent(Hewlett-Packard) – Quad 2.125/1.0625 GBd Fibre Channel General Purpose SerDes

Table 1. PMX Encoding Definitions.
PMX Mode
0
Buffer
1
Codec
Description
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
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
Input Setting
Case
Full/Half
A
0
B
1
TXnP/N
Rate (GBd)
1.0625
2.125
TCn
Rate (MHz)
106.25
106.25
8