MPC8568E datasheet(87/139 Pages) FREESCALE

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MPC8568E/MPC8567E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 1

Freescale Semiconductor

Serial RapidIO

Figure 55. Receiver Input Compliance Mask

15.9

Measurement and Test Requirements

Since the LP-Serial electrical specification are guided by the XAUI electrical interface specified in Clause

47 of IEEE 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 802.3ae-2002 is specified as

the test pattern for use in eye pattern and jitter measurements. Annex 48B of IEEE 802.3ae-2002 is

recommended as a reference for additional information on jitter test methods.

15.9.1

Eye Template Measurements

For the purpose of eye template measurements, the effects of a single-pole high pass filter with a 3 dB point

at (Baud Frequency)/1667 is applied to the jitter. The data pattern for template measurements is the

Table 64. 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

VDIFF max

-VDIFF max

VDIFF min

-VDIFF min

Time (UI)

1-B

1-A

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