SGX52010-1.0 8B/10B Code This appendix provides information
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Data Control Codes
SGX52010-1.0
8B/10B Code
This appendix provides information about data control codes Stratix® device.
Code Notation
8B/10B data control codes referred Dx.y Kx.y, respectively. 8-bit byte where LSB) broken into groups, where lower bits upper bits Figure 10-1 shows notation hexadecimal. Figure 10-1. Sample Notation Hexadecimal
D28.1 hex) x=28
There Dx.y Kx.y valid 8-bit codes. These codes have 10-bit equivalent codes associated with each 8-bit code. 10-bit codes have either neutral disparity non-neutral disparity. case neutral disparity, neutral disparity 10-bit codes associated with 8-bit code. case non-neutral disparity 10-bit code, positive negative disparity code associated with 8-bit code. positive disparity 10-bit code associated with column, negative disparity 10-bit code associated with column.
Disparity Calculation
running disparity calculated based sub-blocks 10-bit code. 10-bit code divided into blocks, 6-bit sub-block (abcdei) 4-bit sub-block (fghj), shown Figure 10-2.
Altera Corporation February 2005
10-1
8B/10B Code
Figure 10-2. 10-Bit Grouping 6-Bit 4-Bit Sub-Blocks
10-Bit Code
4-Bit Block
6-Bit Block
running disparity beginning 6-bit sub-block running disparity previous 10-bit code. running disparity 4-bit sub-block running disparity 6-bit sub-block. running disparity 4-bit sub-block running disparity 10-bit code, shown Figure 10-3. Figure 10-3. Running Disparity Between Sub-Blocks
10-Bit Code 10-Bit Code
4-Bit Block Last Received
6-Bit Block
4-Bit Block
6-Bit Block Received
running disparity calculation rules follows conditions met, then running disparity sub-blocks same beginning sub-block):
current running disparity sub-block positive following true:
sub-block contains more ones than zeros. 6-bit sub-block 6'b000111. 4-bit sub-block 4'b0011.
current running disparity sub-block negative following true:
sub-block contains more zeros than ones. 6-bit sub-block 6'b111000. 4-bit sub-block 4'b1100.
10-2 Stratix Device Handbook, Volume
Altera Corporation February 2005
Data Control Codes
Supported Codes
8B/10B scheme defines control codes listed Table 10-1 synchronization, alignment, general application purposes.
Table 10-1. Supported Codes Code
K28.0 K28.1 K28.2 K28.3 K28.4 K28.5 K28.6 K28.7 K23.7 K27.7 K29.7 K30.7 Note Table 10-1:
K28.5 comma code used word alignment indicates IDLE state.
Octal Value
8-Bit Code HGF_EDCBA
8'b000_11100 8'b001_11100 8'b010_11100 8'b011_11100 8'b100_11100 8'b101_11100 8'b110_11100 8'b111_11100 8'b111_10111 8'b111_11011 8'b111_11101 8'b111_11110
10-Bit Code RDabcdei_fghj
10'b001111_0100 10'b001111_1001 10'b001111_0101 10'b001111_0011 10'b001111_0010 10'b001111_1010 10'b001111_0110 10'b001111_1000 10'b111010_1000 10'b110110_1000 10'b101110_1000 10'b011110_1000
10-Bit Code abcdei_fghj
10'b110000_1011 10'b110000_0110 10'b110000_1010 10'b110000_1100 10'b110000_1101 10'b110000_0101 10'b110000_1001 10'b110000_0111 10'b000101_0111 10'b001001_0111 10'b010001_0111 10'b100001_0111
Table 10-2 shows valid data code-groups.
Table 10-2. Valid Data Code-Groups (Part Code-group Name
D0.0 D1.0 D2.0 D3.0 D4.0 D5.0 D6.0 D7.0 D8.0
Octet Value
Octet Bits EDCBA
00000 00001 00010 00011 00100 00101 00110 00111 01000
Current RDabcdei fghj
100111 0100 011101 0100 101101 0100 110001 1011 110101 0100 101001 1011 011001 1011 111000 1011 111001 0100
Current abcdei fghj
011000 1011 100010 1011 010010 1011 110001 0100 001010 1011 101001 0100 011001 0100 000111 0100 000110 1011
Altera Corporation February 2005
10-3 Stratix Device Handbook, Volume
8B/10B Code
Table 10-2. Valid Data Code-Groups (Part Code-group Name
D9.0 D10.0 D11.0 D12.0 D13.0 D14.0 D15.0 D16.0 D17.0 D18.0 D19.0 D20.0 D21.0 D22.0 D23.0 D24.0 D25.0 D26.0 D27.0 D28.0 D29.0 D30.0 D31.0 D0.1 D1.1 D2.1 D3.1 D4.1 D5.1 D6.1 D7.1 D8.1 D9.1
Octet Value
Octet Bits EDCBA
01001 01010 01011 01100 01101 01110 01111 10000 10001 10010 10011 10100 10101 10110 10111 11000 11001 11010 11011 11100 11101 11110 11111 00000 00001 00010 00011 00100 00101 00110 00111 01000 01001
Current RDabcdei fghj
100101 1011 010101 1011 110100 1011 001101 1011 101100 1011 011100 1011 010111 0100 011011 0100 100011 1011 010011 1011 110010 1011 001011 1011 101010 1011 011010 1011 111010 0100 110011 0100 100110 1011 010110 1011 110110 0100 001110 1011 101110 0100 011110 0100 101011 0100 100111 1001 011101 1001 101101 1001 110001 1001 110101 1001 101001 1001 011001 1001 111000 1001 111001 1001 100101 1001
Current abcdei fghj
100101 0100 010101 0100 110100 0100 001101 0100 101100 0100 011100 0100 101000 1011 100100 1011 100011 0100 010011 0100 110010 0100 001011 0100 101010 0100 011010 0100 000101 1011 001100 1011 100110 0100 010110 0100 001001 1011 001110 0100 010001 1011 100001 1011 010100 1011 011000 1001 100010 1001 010010 1001 110001 1001 001010 1001 101001 1001 011001 1001 000111 1001 000110 1001 100101 1001
10-4 Stratix Device Handbook, Volume
Altera Corporation February 2005
Data Control Codes
Table 10-2. Valid Data Code-Groups (Part Code-group Name
D10.1 D11.1 D12.1 D13.1 D14.1 D15.1 D16.1 D17.1 D18.1 D19.1 D20.1 D21.1 D22.1 D23.1 D24.1 D25.1 D26.1 D27.1 D28.1 D29.1 D30.1 D31.1 D0.2 D1.2 D2.2 D3.2 D4.2 D5.2 D6.2 D7.2 D8.2 D9.2 D10.2
Octet Value
Octet Bits EDCBA
01010 01011 01100 01101 01110 01111 10000 10001 10010 10011 10100 10101 10110 10111 11000 11001 11010 11011 11100 11101 11110 11111 00000 00001 00010 00011 00100 00101 00110 00111 01000 01001 01010
Current RDabcdei fghj
010101 1001 110100 1001 001101 1001 101100 1001 011100 1001 010111 1001 011011 1001 100011 1001 010011 1001 110010 1001 001011 1001 101010 1001 011010 1001 111010 1001 110011 1001 100110 1001 010110 1001 110110 1001 001110 1001 101110 1001 011110 1001 101011 1001 100111 0101 011101 0101 101101 0101 110001 0101 110101 0101 101001 0101 011001 0101 111000 0101 111001 0101 100101 0101 010101 0101
Current abcdei fghj
010101 1001 110100 1001 001101 1001 101100 1001 011100 1001 101000 1001 100100 1001 100011 1001 010011 1001 110010 1001 001011 1001 101010 1001 011010 1001 000101 1001 001100 1001 100110 1001 010110 1001 001001 1001 001110 1001 010001 1001 100001 1001 010100 1001 011000 0101 100010 0101 010010 0101 110001 0101 001010 0101 101001 0101 011001 0101 000111 0101 000110 0101 100101 0101 010101 0101
Altera Corporation February 2005
10-5 Stratix Device Handbook, Volume
8B/10B Code
Table 10-2. Valid Data Code-Groups (Part Code-group Name
D11.2 D12.2 D13.2 D14.2 D15.2 D16.2 D17.2 D18.2 D19.2 D20.2 D21.2 D22.2 D23.2 D24.2 D25.2 D26.2 D27.2 D28.2 D29.2 D30.2 D31.2 D0.3 D1.3 D2.3 D3.3 D4.3 D5.3 D6.3 D7.3 D8.3 D9.3 D10.3 D11.3
Octet Value
Octet Bits EDCBA
01011 01100 01101 01110 01111 10000 10001 10010 10011 10100 10101 10110 10111 11000 11001 11010 11011 11100 11101 11110 11111 00000 00001 00010 00011 00100 00101 00110 00111 01000 01001 01010 01011
Current RDabcdei fghj
110100 0101 001101 0101 101100 0101 011100 0101 010111 0101 011011 0101 100011 0101 010011 0101 110010 0101 001011 0101 101010 0101 011010 0101 111010 0101 110011 0101 100110 0101 010110 0101 110110 0101 001110 0101 101110 0101 011110 0101 101011 0101 100111 0011 011101 0011 101101 0011 110001 1100 110101 0011 101001 1100 011001 1100 111000 1100 111001 0011 100101 1100 010101 1100 110100 1100
Current abcdei fghj
110100 0101 001101 0101 101100 0101 011100 0101 101000 0101 100100 0101 100011 0101 010011 0101 110010 0101 001011 0101 101010 0101 011010 0101 000101 0101 001100 0101 100110 0101 010110 0101 001001 0101 001110 0101 010001 0101 100001 0101 010100 0101 011000 1100 100010 1100 010010 1100 110001 0011 001010 1100 101001 0011 011001 0011 000111 0011 000110 1100 100101 0011 010101 0011 110100 0011
10-6 Stratix Device Handbook, Volume
Altera Corporation February 2005
Data Control Codes
Table 10-2. Valid Data Code-Groups (Part Code-group Name
D12.3 D13.3 D14.3 D15.3 D16.3 D17.3 D18.3 D19.3 D20.3 D21.3 D22.3 D23.3 D24.3 D25.3 D26.3 D27.3 D28.3 D29.3 D30.3 D31.3 D0.4 D1.4 D2.4 D3.4 D4.4 D5.4 D6.4 D7.4 D8.4 D9.4 D10.4 D11.4 D12.4
Octet Value
Octet Bits EDCBA
01100 01101 01110 01111 10000 10001 10010 10011 10100 10101 10110 10111 11000 11001 11010 11011 11100 11101 11110 11111 00000 00001 00010 00011 00100 00101 00110 00111 01000 01001 01010 01011 01100
Current RDabcdei fghj
001101 1100 101100 1100 011100 1100 010111 0011 011011 0011 100011 1100 010011 1100 110010 1100 001011 1100 101010 1100 011010 1100 111010 0011 110011 0011 100110 1100 010110 1100 110110 0011 001110 1100 101110 0011 011110 0011 101011 0011 100111 0010 011101 0010 101101 0010 110001 1101 110101 0010 101001 1101 011001 1101 111000 1101 111001 0010 100101 1101 010101 1101 110100 1101 001101 1101
Current abcdei fghj
001101 0011 101100 0011 011100 0011 101000 1100 100100 1100 100011 0011 010011 0011 110010 0011 001011 0011 101010 0011 011010 0011 000101 1100 001100 1100 100110 0011 010110 0011 001001 1100 001110 0011 010001 1100 100001 1100 010100 1100 011000 1101 100010 1101 010010 1101 110001 0010 001010 1101 101001 0010 011001 0010 000111 0010 000110 1101 100101 0010 010101 0010 110100 0010 001101 0010
Altera Corporation February 2005
10-7 Stratix Device Handbook, Volume
8B/10B Code
Table 10-2. Valid Data Code-Groups (Part Code-group Name
D13.4 D14.4 D15.4 D16.4 D17.4 D18.4 D19.4 D20.4 D21.4 D22.4 D23.4 D24.4 D25.4 D26.4 D27.4 D28.4 D29.4 D30.4 D31.4 D0.5 D1.5 D2.5 D3.5 D4.5 D5.5 D6.5 D7.5 D8.5 D9.5 D10.5 D11.5 D12.5 D13.5
Octet Value
Octet Bits EDCBA
01101 01110 01111 10000 10001 10010 10011 10100 10101 10110 10111 11000 11001 11010 11011 11100 11101 11110 11111 00000 00001 00010 00011 00100 00101 00110 00111 01000 01001 01010 01011 01100 01101
Current RDabcdei fghj
101100 1101 011100 1101 010111 0010 011011 0010 100011 1101 010011 1101 110010 1101 001011 1101 101010 1101 011010 1101 111010 0010 110011 0010 100110 1101 010110 1101 110110 0010 001110 1101 101110 0010 011110 0010 101011 0010 100111 1010 011101 1010 101101 1010 110001 1010 110101 1010 101001 1010 011001 1010 111000 1010 111001 1010 100101 1010 010101 1010 110100 1010 001101 1010 101100 1010
Current abcdei fghj
101100 0010 011100 0010 101000 1101 100100 1101 100011 0010 010011 0010 110010 0010 001011 0010 101010 0010 011010 0010 000101 1101 001100 1101 100110 0010 010110 0010 001001 1101 001110 0010 010001 1101 100001 1101 010100 1101 011000 1010 100010 1010 010010 1010 110001 1010 001010 1010 101001 1010 011001 1010 000111 1010 000110 1010 100101 1010 010101 1010 110100 1010 001101 1010 101100 1010
10-8 Stratix Device Handbook, Volume
Altera Corporation February 2005
Data Control Codes
Table 10-2. Valid Data Code-Groups (Part Code-group Name
D14.5 D15.5 D16.5 D17.5 D18.5 D19.5 D20.5 D21.5 D22.5 D23.5 D24.5 D25.5 D26.5 D27.5 D28.5 D29.5 D30.5 D31.5 D0.6 D1.6 D2.6 D3.6 D4.6 D5.6 D6.6 D7.6 D8.6 D9.6 D10.6 D11.6 D12.6 D13.6 D14.6
Octet Value
Octet Bits EDCBA
01110 01111 10000 10001 10010 10011 10100 10101 10110 10111 11000 11001 11010 11011 11100 11101 11110 11111 00000 00001 00010 00011 00100 00101 00110 00111 01000 01001 01010 01011 01100 01101 01110
Current RDabcdei fghj
011100 1010 010111 1010 011011 1010 100011 1010 010011 1010 110010 1010 001011 1010 101010 1010 011010 1010 111010 1010 110011 1010 100110 1010 010110 1010 110110 1010 001110 1010 101110 1010 011110 1010 101011 1010 100111 0110 011101 0110 101101 0110 110001 0110 110101 0110 101001 0110 011001 0110 111000 0110 111001 0110 100101 0110 010101 0110 110100 0110 001101 0110 101100 0110 011100 0110
Current abcdei fghj
011100 1010 101000 1010 100100 1010 100011 1010 010011 1010 110010 1010 001011 1010 101010 1010 011010 1010 000101 1010 001100 1010 100110 1010 010110 1010 001001 1010 001110 1010 010001 1010 100001 1010 010100 1010 011000 0110 100010 0110 010010 0110 110001 0110 001010 0110 101001 0110 011001 0110 000111 0110 000110 0110 100101 0110 010101 0110 110100 0110 001101 0110 101100 0110 011100 0110
Altera Corporation February 2005
10-9 Stratix Device Handbook, Volume
8B/10B Code
Table 10-2. Valid Data Code-Groups (Part Code-group Name
D15.6 D16.6 D17.6 D18.6 D19.6 D20.6 D21.6 D22.6 D23.6 D24.6 D25.6 D26.6 D27.6 D28.6 D29.6 D30.6 D31.6 D0.7 D1.7 D2.7 D3.7 D4.7 D5.7 D6.7 D7.7 D8.7 D9.7 D10.7 D11.7 D12.7 D13.7 D14.7 D15.7
Octet Value
Octet Bits EDCBA
01111 10000 10001 10010 10011 10100 10101 10110 10111 11000 11001 11010 11011 11100 11101 11110 11111 00000 00001 00010 00011 00100 00101 00110 00111 01000 01001 01010 01011 01100 01101 01110 01111
Current RDabcdei fghj
010111 0110 011011 0110 100011 0110 010011 0110 110010 0110 001011 0110 101010 0110 011010 0110 111010 0110 110011 0110 100110 0110 010110 0110 110110 0110 001110 0110 101110 0110 011110 0110 101011 0110 100111 0001 011101 0001 101101 0001 110001 1110 110101 0001 101001 1110 011001 1110 111000 1110 111001 0001 100101 1110 010101 1110 110100 1110 001101 1110 101100 1110 011100 1110 010111 0001
Current abcdei fghj
101000 0110 100100 0110 100011 0110 010011 0110 110010 0110 001011 0110 101010 0110 011010 0110 000101 0110 001100 0110 100110 0110 010110 0110 001001 0110 001110 0110 010001 0110 100001 0110 010100 0110 011000 1110 100010 1110 010010 1110 110001 0001 001010 1110 101001 0001 011001 0001 000111 0001 000110 1110 100101 0001 010101 0001 110100 1000 001101 0001 101100 1000 011100 1000 101000 1110
10-10 Stratix Device Handbook, Volume
Altera Corporation February 2005
Data Control Codes
Table 10-2. Valid Data Code-Groups (Part Code-group Name
D16.7 D17.7 D18.7 D19.7 D20.7 D21.7 D22.7 D23.7 D24.7 D25.7 D26.7 D27.7 D28.7 D29.7 D30.7 D31.7
Octet Value
Octet Bits EDCBA
10000 10001 10010 10011 10100 10101 10110 10111 11000 11001 11010 11011 11100 11101 11110 11111
Current RDabcdei fghj
011011 0001 100011 0111 010011 0111 110010 1110 001011 0111 101010 1110 011010 1110 111010 0001 110011 0001 100110 1110 010110 1110 110110 0001 001110 1110 101110 0001 011110 0001 101011 0001
Current abcdei fghj
100100 1110 100011 0001 010011 0001 110010 0001 001011 0001 101010 0001 011010 0001 000101 1110 001100 1110 100110 0001 010110 0001 001001 1110 001110 0001 010001 1110 100001 1110 010100 1110
Altera Corporation February 2005
10-11 Stratix Device Handbook, Volume
8B/10B Code
10-12 Stratix Device Handbook, Volume
Altera Corporation February 2005
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