參數(shù)資料
型號: MPC8314EVRAGDA
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: MICROPROCESSOR, PBGA620
封裝: 29 X 29 MM, LEAD FREE, PLASTIC, TEPBGA-620
文件頁數(shù): 69/106頁
文件大?。?/td> 1253K
代理商: MPC8314EVRAGDA
MPC8314E PowerQUICC II Pro Processor Hardware Specifications, Rev. 0
Freescale Semiconductor
65
PCI Express
Figure 49. Minimum Transmitter Timing and Voltage Output Compliance Specifications
16.4.3
Differential Receiver (RX) Input Specifications
Table 55 defines the specifications for the differential input at all receivers (RXs). The parameters are
specified at the component pins.
Table 55. Differential Receiver (RX) Input Specifications
Parameter
Symbol
Comments
Min
Typical
Max
Units
Notes
Unit interval
UI
Each UI is 400 ps ± 300 ppm.
UI does not account for
Spread Spectrum Clock
dictated variations.
399.88
400
400.12
ps
1
Differential peak-to-peak
output voltage
VRX-DIFFp-p
VRX-DIFFp-p = 2*|VRX-D+ -
VRX-D-|
0.175
1.200
V
2
Minimum receiver eye
width
TRX-EYE
The maximum interconnect
media and Transmitter jitter
that can be tolerated by the
Receiver can be derived as
TRX-MAX-JITTER = 1 -
URX-EYE= 0.6 UI.
0.4
——UI
2, 3
[De-emphasized Bit]
566 mV (3 dB) >= VTX-DIFFp-p-MIN >= 505 mV (4 dB)
[Transition Bit]
VTX-DIFFp-p-MIN = 800 mV
[Transition Bit]
VTX-DIFFp-p-MIN = 800 mV
0.7 UI = UI – 0.3 UI(JTX-TOTAL-MAX)
VTX-DIFF = 0 mV
(D+ D– Crossing Point)
VTX-DIFF = 0 mV
(D+ D– Crossing Point)
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