Figure 6–2, Note (1) – Altera Stratix GX Transceiver User Manual
Page 157
Altera Corporation
6–3
January 2005
Stratix GX Transceiver User Guide
GigE Mode
Figure 6–2. Block Diagram of a Duplex Channel Configured in GigE Mode
/C2/
Configuration 2
4
/K28.5/D2.2/Config_Reg
/I/
IDLE
/I1/
is correcting;
/I2/
is preserving
/I1/
IDLE 1
2
/K28.5/D5.6/
/I2/
IDLE 2
2
/K28.5/D16.2/
Encapsulation
/R/
Carrier_Extend
1
/K23.7/
/S/
Start_of_Packet
1
/K27.7/
/T/
End_of_Packet
1
/K29.7/
/V/
Error_Propagation
1
/K30.7/
Note to
:
(1)
Two data code groups represent the
Config_Reg
value.
Table 6–1. GigE Code Groups
(Part 2 of 2)
Note (1)
Code
Ordered Set
Number of
Code Groups
Encoding
Word
Aligner
Phase
Compensation
FIFO Buffer
Deserializer
Serializer
8B/10B
Decoder
Channel
Aligner
Byte
Deserializer
8B/10B
Encoder
Reference
Clock
Reference
Clock
Byte
Serializer
Phase
Compensation
FIFO Buffer
Rate
Matcher
Digital Section
Analog Section
Receiver
PLL
Transmitter
PLL
Clock
Recovery
Unit
Receiver
Transmitter