MPC8309EC datasheet(35/82 Pages) FREESCALE

35 / 82 page

MPC8309 PowerQUICC II Pro Integrated Communications Processor Family Hardware Specifications, Rev. 0

Freescale Semiconductor

PCI

Figure 24 shows the timing with internal clock.

Figure 24. AC Timing (Internal Clock) Diagram

PCI

This section describes the DC and AC electrical specifications for the PCI bus of the MPC8309.

11.1

PCI DC Electrical Characteristics

Table 32 provides the DC electrical characteristics for the PCI interface of the MPC8309.

11.2

PCI AC Electrical Specifications

This section describes the general AC timing parameters of the PCI bus of the MPC8309. Note that the

PCI_CLK or PCI_SYNC_IN signal is used as the PCI input clock depending on whether the MPC8309 is

configured as a host or agent device. Table 33 shows the PCI AC timing specifications at 66 MHz.

Table 34 shows the PCI AC timing specifications at 33 MHz.

Table 32. PCI DC Electrical Characteristics1,2

Parameter

Symbol

Test Condition

Min

Max

Unit

High-level input voltage

VIH

VOUT VOH (min) or

OVDD + 0.3

Low-level input voltage

VIL

VOUT  VOL (max)

–0.3

0.8

High-level output voltage

VOH

OVDD = min,

IOH = –100 A

OVDD – 0.2

—

Low-level output voltage

VOL

OVDD = min,

IOL = 100 A

—0.2

Input current

IIN

0 V

V

IN OVDD

—

±5

A

Notes:

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

2. Ranges listed do not meet the full range of the DC specifications of the PCI 2.3 Local Bus Specifications.

Serial CLK (Output)

tHIIXKH

tHIKHOV

Input Signals:

(See Note)

Output Signals:

(See Note)

tHIIVKH

tHIKHOX

Note: The clock edge is selectable.

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