Intel Cyclone 10 GX User Manual page 61

2. Implementing Protocols in Intel Cyclone 10 GX Transceivers
UG-20070 | 2018.09.24
Name
[6]
[7]
[8]
[9]
[19:10]
Table 57. Bit Encodings for 10GBASE-R
Name
rx_control
Table 58. Bit Encodings for Basic Single Width Mode
For basic single width mode, the total word length is 66-bit with 64-bit data and 2-bit synchronous header.
Name Bit
[1:0]
rx_control
[7:2]
[9:8]
[19:10]
Table 59. Bit Encodings for Basic Double Width Mode
For basic double width mode, total word length is 66-bit with 128-bit data, and 4-bit synchronous header.
Name Bit
[1:0]
rx_control
[7:2]
Send Feedback
Bit Functionality
SKIP word location
Diagnostic word location
Synchronization header error, metaframe error,
or CRC32 error status
Block lock and frame lock status
Unused
Bit
[0] XGMII control signal for
[1]
XGMII control signal for
[2]
XGMII control signal for
[3]
XGMII control signal for
[4] XGMII control signal for
[5]
XGMII control signal for
[6]
XGMII control signal for
[7]
XGMII control signal for
[19:8] Unused
Functionality
Synchronous header
Unused
Synchronous header error status
Unused
Functionality
Synchronous header
Unused
A logic high (1'b1) indicates the
SKIP word location in a metaframe.
A logic high (1'b1) indicates the
diagnostic word location in a
metaframe.
A logic high (1'b1) indicates
synchronization header error,
metaframe error, or CRC32 error
status.
A logic high (1'b1) indicates that
block lock and frame lock have
been achieved.
Functionality
parallel_data[7:0]
parallel_data[15:8]
parallel_data[23:16]
parallel_data[31:24]
parallel_data[39:32]
parallel_data[47:40]
parallel_data[55:48]
parallel_data[63:56]
Description
The value 2'b01 indicates a data word. The value
2'b10 indicates a control word.
The value 2'b01 indicates a data word. The value
2'b10 indicates a control word.
Description
The value 2'b01 indicates a data word. The
value 2'b10 indicates a control word.
® ®
Intel Cyclone 10 GX Transceiver PHY User Guide
Description
continued...
61