MPC8544DS Freescale Semiconductor, MPC8544DS Datasheet - Page 77

• Manufacturer Part Number: MPC8544DS
• Description: BOARD DEVELOPMENT SYSTEM 8544
• Manufacturer: Freescale Semiconductor
• Series: PowerQUICC III™r
• Type: MPUr

Specifications of MPC8544DS

• Contents: Board
• Processor To Be Evaluated: MPC8544E
• Data Bus Width: 32 bit
• Interface Type: Ethernet, I2C
• Operating Supply Voltage: - 0.3 V to + 1.1 V
• Leaded Process Compatible: Yes
• Peak Reflow Compatible (260 C): Yes
• Rohs Compliant: Yes
• For Use With/related Products: MPC8544
• For Use With: PPC8544EVTANG - EVAL MPC8544 783FCPBGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

17.4.3
Table 60
at the component pins.
Freescale Semiconductor
UI
V
T
RX-EYE
RX-DIFFp-p
Symbol
defines the specifications for the differential input at all receivers. The parameters are specified
Figure 56. Minimum Transmitter Timing and Voltage Output Compliance Specifications
Differential Receiver (RX) Input Specifications
MPC8544E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 5
(D+ D– Crossing Point)
Unit interval
Differential peak-to-
peak input voltage
Minimum receiver
eye width
V
RX-DIFF
Parameter
Table 60. Differential Receiver (RX) Input Specifications
= 0 mV
566 mV (3 dB) >= V
0.07 UI = UI – 0.3 UI (J
399.88
0.175
Min
0.4
V
V
TX-DIFFp-p-MIN
TX-DIFFp-p-MIN
[De-Emphasized Bit]
Nom
[Transition Bit]
[Transition Bit]
400
—
—
TX-DIFFp-p-MIN
400.12
1.200
Max
= 800 mV
= 800 mV
—
TX-TOTAL-MAX
>= 505 mV (4 dB)
Units
ps
UI
V
(D+ D– Crossing Point)
)
Each UI is 400 ps ± 300 ppm. UI does not
account for spread spectrum clock dictated
variations. See Note 1.
V
See Note 2.
The maximum interconnect media and
transmitter jitter that can be tolerated by the
receiver can be derived as T
= 1 – T
See Notes 2 and 3.
V
RX-DIFFp-p
TX-DIFF
RX-EYE
= 0 mV
= 2 × |V
= 0.6 UI.
Comments
RX-D+
– V
RX-MAX-JITTER
RX-D–
PCI Express
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