MPC8535E datasheet(88/126 Pages) FREESCALE

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MPC8535E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 3

PCI

Freescale Semiconductor

2.19

PCI

This section describes the DC and AC electrical specifications for the PCI bus of the MPC8535E.

2.19.1

PCI DC Electrical Characteristics

Table 67 provides the DC electrical characteristics for the PCI interface.

2.19.2

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 68 provides the PCI AC timing specifications at 66 MHz.

Table 67. PCI DC Electrical Characteristics 1

Parameter

Symbol

Min

Max

Unit

High-level input voltage

VIH

2OVDD + 0.3

Low-level input voltage

VIL

–0.3

0.8

Input current

(VIN

2 = 0 V or V

IN = VDD)

IIN

—±5

μA

High-level output voltage

(OVDD = min, IOH = –2 mA)

VOH

2.4

—

Low-level output voltage

(OVDD = min, IOL = 2 mA)

VOL

—0.4

Notes:

1. Ranges listed do not meet the full range of the DC specifications of the

PCI 2.2 Local Bus Specifications.

2. Note that the symbol VIN, in this case, represents the OVIN symbol referenced in Table 1 and Table 2.

Table 68. 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

—

SYSCLK to output high impedance

tPCKHOZ

—14

2, 4

Input setup to SYSCLK

tPCIVKH

3.0

—

2, 5

Input hold from SYSCLK

tPCIXKH

0—

2, 5

REQ64 to HRESET 9 setup time

tPCRVRH

× tSYS

—clocks

6, 7

HRESET to REQ64 hold time

tPCRHRX

050

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