PPC8567CVTAQGGA datasheet(59/139 Pages) FREESCALE

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

Freescale Semiconductor

PCI

12 PCI

This section describes the DC and AC electrical specifications for the PCI bus of the MPC8568E.

12.1

PCI DC Electrical Characteristics

Table 48 provides the DC electrical characteristics for the PCI interface.

12.2

PCI AC Electrical Specifications

This section describes the general AC timing parameters of the PCI bus. Note that the SYSCLK signal is

used as the PCI input clock. Table 49 provides the PCI AC timing specifications at 66 MHz.

Table 48. PCI DC Electrical Characteristics 1

Parameter

Symbol

Min

Max

Unit

High-level input voltage

VIH

0.5*OVDD

OVDD + 0.3

Low-level input voltage

VIL

–0.5

0.3*OVDD

Input current

(VIN

1= 0 V or V

IN = VDD)

IIN

—

±10

μA

High-level output voltage

(OVDD = min, IOH = –500 μA)

VOH

0.9*OVDD

—V

Low-level output voltage

(OVDD = max, IOL = 1500 μA)

VOL

—0.1*OVDD

Notes:

1. The symbol VIN, in this case, represents the OVIN symbol referenced in Table 2 and Table 3.

Table 49. PCI AC Timing Specifications at 66 MHz

Parameter

Symbol 1

Min

Max

Unit

Notes

SYSCLK to output valid

tPCKHOV

—

6.0

2, 3

Output hold from SYSCLK

tPCKHOX

2.0

—

2, 10

SYSCLK to output high impedance

tPCKHOZ

—

2, 4, 11

Input setup to SYSCLK

tPCIVKH

3.0

—

2, 5, 10

Input hold from SYSCLK

tPCIXKH

—

2, 5, 10

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