AM7968 AMD [Advanced Micro Devices], AM7968 Datasheet - Page 18

• Manufacturer Part Number: AM7968
• Description: TAXIchip Integrated Circuits(Transparent Asynchronous Xmitter-Receiver Interface)
• Manufacturer: AMD [Advanced Micro Devices]

14
* Note:
HEX data is parallel input data which is represented by the 4- or 5-bit binary data listed in the column to the immediate right
of HEX data. Binary bits are listed from left to right in the following order.
Serial bits are shifted out with the most significant bit of the most significant nibble coming out first.
8-Bit Mode:
9-Bit Mode:
10-Bit Mode: D8, D7, D6, D5, D4, (5-Bit Binary), and D9,D3, D2, D1, D0, (5-Bit Binary)
AMD
Data
HEX
A
B
C
D
E
F
0
1
2
3
4
5
6
7
8
9
4B/5B Encoder Scheme
D7, D6, D5, D4, (4-Bit Binary), and D3, D2, D1, D0, (4-Bit Binary)
D8, D7, D6, D5, D4, (5-Bit Binary), and D3, D2, D1, D0, (4-Bit Binary)
Binary
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
4-Bit
Data
Table 1. TAXIchip Encoder Patterns
Encoded
Symbol
11110
01001
10100
10101
01010
01011
01110
01111
10010
10011
10110
10111
11010
11011
11100
11101
5-Bit
Am7968/Am7969
Data
HEX
0A
0B
0C
0D
0E
1A
1B
1C
1D
1E
00
01
02
03
04
05
06
07
08
09
0F
10
11
12
13
14
15
16
17
18
19
1F
5B/6B Encoder Scheme
Binary
00000
00001
00010
00011
00100
00101
00110
00111
01000
01001
01010
01011
01100
01101
01110
01111
10000
10001
10010
10011
10100
10101
10110
10111
11000
11001
11010
11011
11100
11101
11110
11111
Data*
5-Bit
Encoded
Symbol
110110
010001
100100
100101
010010
010011
010110
010111
100010
110001
110111
100111
110010
110011
110100
110101
111110
011001
101001
101101
011010
011011
011110
011111
101010
101011
101110
101111
111010
111011
111100
111101
6-Bit