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DP83256 Datasheet(PDF) 28 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # DP83256
Description  PLAYERa??Device (FDDI Physical Layer Controller)
PDF  144 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

DP83256 Datasheet(HTML) 28 Page - National Semiconductor (TI)

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30 Functional Description (Continued)
National Byte-Wide Code Example
Incoming 5B Code
Decoded 4B Code
National Byte-Wide Code (wo parity)
98765
43210
C
3210
C
3210
C
7654
3210
11111
11111
(II)
1
1010
1
1010
(II)
1
1011
0001
(I -k-ILS)
11111
11111
(II)
1
1010
1
1010
(II)
1
1011
0001
(I -k-ILS)
11111
11111
(II)
1
1010
1
1010
(II)
1
1011
0001
(I -k-ILS)
11000
10001
(JK)
1
1101
1
1102
(JK)
1
1101
1101
(JK Symbols)
–––-
–––-
(xx)
0
–––
0
–––
(xx)
0
–– –
–– –
(Data Symbols)
–––-
–––-
(xx)
0
–––
0
–––
(xx)
0
–– –
–– –
(Data Symbols)
–––-
–––-
(xx)
0
–––
0
–––
(xx)
0
–– –
–– –
(Data Symbols)
(More data
)
–––-
–––-
(xx)
0
–– –
0
–– –
(xx)
0
–– –
–– –
(Data Symbols)
–––-
–––-
(xx)
0
–– –
0
–– –
(xx)
0
–– –
–– –
(Data Symbols)
–––-
–––-
(xx)
0
–– –
0
–– –
(xx)
0
–– –
–– –
(Data Symbols)
01101
00111
(TR)
1
0101
1
0110
(TR)
1
0101
0110
(T and R Symbols)
00111
00111
(RR)
1
0110
1
0110
(RR)
1
0110
0110
(Two R Symbols)
11111
11111
(II)
1
1010
1
1010
(II)
1
1010
1010
(Idle Symbols)
11111
11111
(II)
1
1010
1
1010
(II)
1
1010
1010
(Idle Symbols)
11111
11111
(II)
1
1010
1
1010
(II)
1
1011
0001
(I -k-ILS)
11111
11111
(II)
1
1010
1
1010
(II)
1
1011
0001
(I -k-ILS)
11111
11111
(II)
1
1010
1
1010
(II)
1
1011
0001
(I -k-ILS)
00100
00100
(HH)
1
0001
1
0001
(HH)
1
1011
1001
(I -u-ILS)
00100
00100
(HH)
1
0001
1
0001
(HH)
1
1011
1001
(I -u-ILS)
00100
00100
(HH)
1
0001
1
0001
(HH)
1
1011
1001
(I -u-ILS)
00100
00100
(HH)
1
0001
1
0001
(HH)
1
1011
1001
(I -u-ILS)
00100
00100
(HH)
1
0001
1
0001
(HH)
1
1011
1001
(I -u-ILS)
00100
00100
(HH)
1
0001
1
0001
(HH)
1
1011
1001
(I -u-ILS)
00100
00100
(HH)
1
0001
1
0001
(HH)
1
1011
1001
(I -u-ILS)
00100
00100
(HH)
1
0001
1
0001
(HH)
1
0011
0101
(V -k-HLS)
00100
00100
(HH)
1
0001
1
0001
(HH)
1
0011
0101
(V -k-HLS)
00100
00100
(HH)
1
0001
1
0001
(HH)
1
0011
0101
(V -k-HLS)
11111
11111
(II)
1
1010
1
1010
(II)
1
0011
1101
(V -u-HLS)
11111
11111
(II)
1
1010
1
1010
(II)
1
1011
0001
(I -k-ILS)
11111
11111
(II)
1
1010
1
1010
(II)
1
1011
0001
(I -k-ILS)
Assume the receiver is in the Idle Line State
28



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