參數資料
型號: MSC8144ETVT1000A
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 數字信號處理
英文描述: 133 MHz, OTHER DSP, PBGA783
封裝: 29 X 29 MM, LEAD FREE, PLASTIC, FCPBGA-783
文件頁數: 44/80頁
文件大小: 1251K
代理商: MSC8144ETVT1000A
Electrical Characteristics
MSC8144E Quad Core Digital Signal Processor Data Sheet, Rev. 14
Freescale Semiconductor
49
2.6.5.6
Receiver Eye Diagrams
For each baud rate at which an LP-Serial receiver is specified to operate, the receiver shall meet the corresponding bit error rate
specification (Table 32, Table 33, and Table 34) when the eye pattern of the receiver test signal (exclusive of sinusoidal jitter)
falls entirely within the unshaded portion of the receiver input compliance mask shown in Figure 14 with the parameters
specified in Table 35. The eye pattern of the receiver test signal is measured at the input pins of the receiving device with the
device replaced with a 100
Ω ±5% differential resistive load.
2.6.5.7
Measurement and Test Requirements
Since the LP-Serial electrical specification are guided by the XAUI electrical interface specified in Clause 47 of IEEE Std.
802.3ae-2002, the measurement and test requirements defined here are similarly guided by Clause 47. In addition, the CJPAT
test pattern defined in Annex 48A of IEEE Std. 802.3ae-2002 is specified as the test pattern for use in eye pattern and jitter
measurements. Annex 48B of IEEE Std. 802.3ae-2002 is recommended as a reference for additional information on jitter test
methods.
Figure 14. Receiver Input Compliance Mask
Table 35. Receiver Input Compliance Mask Parameters Exclusive of Sinusoidal Jitter
Receiver Type
VDIFFmin (mV)
VDIFFmax (mV)
A (UI)
B (UI)
1.25 GBaud
100
800
0.275
0.400
2.5 GBaud
100
800
0.275
0.400
3.125 GBaud
100
800
0.275
0.400
1
0
VDIFF max
–VDIFF max
VDIFF min
–VDIFF min
Time (UI)
R
e
ce
iv
er
D
if
fe
rent
ial
Inp
u
tV
o
lt
age
0
A
B
1 – B
1 – A
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