it is more helpful for vlsi engineers .

1. [1]
Presented by
Under the guidance of

2. [2]
PCI
• Used to attach hardware to a computer.
• Introduced by Intel in 1992.
PCIE
• PCIe, is a high-speed serial computer
expansion bus standard designed to replace
the older PCI &PCI-X.
APPLICATION
solid-state
drive (SSD)
Internet
network
card

3. [3]
a = A
b = B.(L30D)’+L03.D’
c = C+L03.(D’+E)
d = D.(L03.D)’
e = E.(L03.D)’+L12.D’.E’+L03.D.E’
i = L21.D’E’+L12.D’.E’+L03.D.E’
f = F.[F.G.H.(S+K)]’
g = G+F’.H’
h = H
J = (F≠G).H’+F.G.H.(S+K)
Use Common line codes
1.RZ - Return To Zero
2.NRZ - None Return To Zero
3.AMI - Alternate Mark Inversion
4.Manchester Code
5.8B/10B

4. [4]
• Calculation
• Enc/Dec Architecture
• Xilinx Implementation
• CADENCE ASIC Flow
• Validation & Evaluation

5. [5]
5b/6b
encoding
3b/4b
encoding
control
Disparity
Generation
D_FF
D_FF
D_FF
D_FF
D_FF
xor
xor
Datain_8b
[7:0]
Encoder
kin
rdispin
K_error
rdispout
Dataout_10b
[9:0]
Decoder
6b/5b
decoding
4b/3b
decoding
control
Disparity
Generation
D_FF
D_FF
D_FF
D_FF
Datain_10b
[9:0]
6’b
4’b
10’b
rdispin
rdispout
5’b
3’b
K_error
Dataout_8b
[7:0]

6. [6]
5b/6b
Encoder
3b/4b
Encoder
Running
Disparity
5b sub-block(LSB)
(00100)
Control data input
(D/K)
Lets take
8b Hex input = 0X04
Binary Notation = 00000100
8B/10B Notation D 4.0
3b sub-block(MSB)
(000)
4b encoded sub-block
(0100 or 1011)
6b encoded sub-block
(110101 or 001010)
CRD Negative
110101 0100
CRD Positive
001010 1011
Concept-

7. [7]
Encoder
Decoder

8. [8]
Input of decoderOutput of decoder
Input to encoderOutput of encoder
Simvision Output

9. [9]
Power(uW)
Timing…
Area(um²)
0
2000
4000
6000
8000
100 MHz
200 MHz
300 MHz
400 MHz
100 MHz 200 MHz 300 MHz 400 MHz
Power(uW) 406.09 770.685 1235.789 1257.176
Timing Slack(ps) 6097 2108 396 1.8
Area(um²) 2591 2498 2435 2302

10. [10]
0
100
200
300
400
500
N.Kiran
(IJRTE)
Our Project
Power(mW) 452.21 0.40609
Area (x100² µm²) 0 25.91
Frequency (MHz) 0 100
Power(mW) 452.21 .40609
Area (x100² µm²) NA 25.91
Frequency (MHz) NA 100

11. [11]
Computational and
Communicational field

12. [12]

13. [13]
• “Design of Physical Coding Sublayer using 8B/10B
Algorithm” N.Kiran Babu, P.S.Srinivas Babu, International
Journal of Recent Technology and Engineering (IJRTE) ISSN:
2277-3878, May 2013
• “8B/10B Encoding And Decoding For High Speed
Applications” Alber X.Widmer, IBM Reserch Report
RC23408 (W0411-032) November 3,2010.
Reference