mpc8378e Freescale Semiconductor, Inc, mpc8378e Datasheet - Page 66

• Manufacturer Part Number: mpc8378e
• Description: Powerquicc Ii Pro Processor Hardware Specifications
• Manufacturer: Freescale Semiconductor, Inc

PCI Express
Figure 43
Figure 44
Figure 45
15 PCI Express
This section describes the DC and AC electrical specifications for the PCI Express bus.
15.1
For more information see
66
DC Requirements for PCI Express SD_REF_CLK and
SD_REF_CLK
provides the AC test load for PCI.
shows the PCI input AC timing conditions.
shows the PCI output AC timing conditions.
High-Impedance
MPC8378E PowerQUICC II Pro Processor Hardware Specifications, Rev. 3
Output Delay
Output
Figure 45. PCI Output AC Timing Measurement Condition
Figure 44. PCI Input AC Timing Measurement Conditions
Section 20, “High-Speed Serial Interfaces (HSSI).”
Output
Input
CLK
CLK
Figure 43. PCI AC Test Load
Z
0
t
PCIVKH
= 50 Ω
t
PCKHOV
R
L
= 50 Ω
t
PCKHOZ
t
t
PCIXKH
PCKHOX
OVDD/2
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