
Standard PCS Parameters for the Native PHY
This section shows the complete datapath and clocking for the Standard PCS and defines the parameters
available in the GUI to enable or disable the individual blocks in the Standard PCS.
Figure 14-3: The Standard PCS Datapath
FPGA
Fabric
Transmitter Standard PCS
Receiver Standard PCS
Transmitter
PMA
Receiver
PMA
TX Phase
Compensation
FIFO
RX Phase
Compensation
FIFO
Byte
Serializer
Byte Ordering
8B/10B Decoder
Rate Match FIFO
Deskew FIFO
8B/10B
Encoder
TX
Bit-Slip
Word Aligner
Parallel Clock (Recovered)
Serializer
Deserializer
CDR
tx_serial_data
rx_serial_data
rx_coreclkin tx_coreclkin
Input Reference Clock
from dedicated reference clock pin or fPLL
Clock Divider
Parallel and Serial Clocks
Serial Clock
Central/Local Clock Divider
Parallel Clock
Serial Clock
Parallel and Serial Clocks
CMU / ATX /
fPLL PLL
tx_clkout
rx_clkout
/2
/2
Byte
Deserializer
Parallel Clock (from Clock Divider)
PRBS
Generator
PRBS
Verifier
UG-01080
2015.01.19
Standard PCS Parameters for the Native PHY
14-13
Arria V GZ Transceiver Native PHY IP Core
Altera Corporation
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