MPC8548ECPXATHC datasheet(62/151 Pages) FREESCALE

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MPC8548E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 9

Freescale Semiconductor

PCI/PCI-X

Figure 36 shows the PCI/PCI-X input AC timing conditions.

Figure 36. PCI/PCI-X Input AC Timing Measurement Conditions

Figure 37 shows the PCI/PCI-X output AC timing conditions.

Figure 37. PCI/PCI-X Output AC Timing Measurement Condition

Table 53 provides the PCI-X AC timing specifications at 66 MHz.

Table 53. PCI-X AC Timing Specifications at 66 MHz

Parameter

Symbol

Min

Max

Unit

Notes

SYSCLK to signal valid delay

tPCKHOV

—

3.8

1, 2, 3, 7, 8

Output hold from SYSCLK

tPCKHOX

0.7

—

1, 10

SYSCLK to output high impedance

tPCKHOZ

—

1, 4, 8, 11

Input setup time to SYSCLK

tPCIVKH

1.7

—

3, 5

Input hold time from SYSCLK

tPCIXKH

0.5

—

REQ64 to HRESET setup time

tPCRVRH

—

clocks

HRESET to REQ64 hold time

tPCRHRX

050

HRESET high to first FRAME assertion

tPCRHFV

—

clocks

9, 11

PCI-X initialization pattern to HRESET setup time

tPCIVRH

—

clocks

tPCIVKH

CLK

Input

tPCIXKH

CLK

Output Delay

tPCKHOV

High-Impedance

tPCKHOZ

Output

MPC8548ECPXATHC 데이터시트(PDF) 62 Page - Freescale Semiconductor, Inc

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