IPR-CRC Altera, IPR-CRC Datasheet - Page 21

• Manufacturer Part Number: IPR-CRC
• Description: IP CORE Renewal Of IP-CRC
• Manufacturer: Altera

Specifications of IPR-CRC

• Software Application: IP CORE, Interface And Protocols, COMMUNICATION
• Supported Families: Arria GX, Cyclone, HardCopy, Stratix
• Core Architecture: FPGA
• Core Sub-architecture: Arria, Cyclone, Stratix
• Rohs Compliant: NA
• Lead Free Status / RoHS Status: na

Chapter 3: Functional Description
Multi-Channel Operation
Figure 3–8. Multi-Channel Generator Operation
Figure 3–9. Multi-Channel Checker Operation with Good Codeword
Figure 3–10. Multi-Channel Checker Operation with Incorrect Codeword
© November 2009 Altera Corporation
startofpacket
startofpacket
startofpacket
chaninitdone
chaninitdone
chaninitdone
datachannel
datachannel
endofpacket
datachannel
endofpacket
endofpacket
crcchannel
crcchannel
crcchannel
checksum
datavalid
datavalid
datavalid
crcvalid
crcvalid
crcvalid
crcbad
crcbad
data
data
data
clk
clk
clk
Figure 3–8
Figure 3–9
processing a good and incorrect codeword, respectively.
shows the operation of a multi-channel generator.
and
Figure 3–10
data1
data1
data1
010
010
010
data2
data2
data2
checksum
checksum
show the operation of a multi-channel checker when
Preliminary
data3
data4
data1
data1
data1
data2
data2
data2
010
010
101
101
101
checksum
checksum
data3
checksum
data4
data1
data1
010
data1
data2
data2
000
000
CRC Compiler User Guide
000
checksum
checksum
data2
101
101
3–5