MPC8533E_11 FREESCALE [Freescale Semiconductor, Inc], MPC8533E_11 Datasheet - Page 75
MPC8533E_11
Manufacturer Part Number
MPC8533E_11
Description
MPC8533E PowerQUICC III Integrated Processor Hardware Specifications
Manufacturer
FREESCALE [Freescale Semiconductor, Inc]
Datasheet
1.MPC8533E_11.pdf
(112 pages)
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The eye diagram must be valid for any 250 consecutive UIs.
A recovered TX UI is calculated over 3500 consecutive unit intervals of sample data. The eye diagram is
created using all edges of the 250 consecutive UI in the center of the 3500 UI used for calculating the
TX UI.
17.5.1
The AC timing and voltage parameters must be verified at the measurement point, as specified within
0.2 inches of the package pins, into a test/measurement load shown in
Freescale Semiconductor
Compliance Test and Measurement Load
Figure 53. Minimum Receiver Eye Timing and Voltage Compliance Specification
The reference impedance for return loss measurements is 50 Ω to ground for
both the D+ and D– line (that is, as measured by a vector network analyzer
with 50-Ω probes, see
optional for the return loss measurement.
The allowance of the measurement point to be within 0.2 inches of the
package pins is meant to acknowledge that package/board routing may
benefit from D+ and D– not being exactly matched in length at the package
pin boundary.
MPC8533E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 5
(D+ D– Crossing Point)
V
RX-DIFF
D+ Package
D+ Package
D– Package
= 0 mV
Figure 54. Compliance Test/Measurement Load
+ Package
Silicon
Pin
Pin
Pin
TX
Figure
V
RX-DIFFp-p-MIN
0.4 UI = T
53). Note that the series capacitors, CTX, are
C = C
C = C
NOTE
NOTE
R = 50 Ω
RX-EYE-MIN
TX
TX
> 175 mV
(D+ D– Crossing Point)
R = 50 Ω
V
Figure
RX-DIFF
54.
= 0 mV
PCI Express
75
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