MPC5565 datasheet(33/54 Pages) FREESCALE

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Electrical Characteristics

MPC5565 Microcontroller Data Sheet, Rev. 2.0

Freescale Semiconductor

3.13.4

External Bus Interface (EBI) Timing

Table 22 lists the timing information for the external bus interface (EBI).

Table 22. Bus Operation Timing1

Spec

Characteristic

and

Description

Symbol

External Bus Frequency 2, 3

Unit

Notes

40 MHz

56 MHz

66 MHz

Min.

Max.

Min.

Max.

Min.

Max.

CLKOUT period

24.4

—

17.5

—

14.9

—

Signals are measured

at 50% VDDE.

CLKOUT duty cycle

tCDC

45%

55%

45%

55%

45%

55%

CLKOUT rise time

tCRT

——4

CLKOUT fall time

tCFT

——4

CLKOUT positive edge to output

signal invalid or Hi-Z (hold time)

External bus interface

CS[0:3]

ADDR[8:31]

DATA[0:31] 5

BDIP

RD_WR

TEA 6

WE/BE[0:3] 7

tCOH

1.08

1.5

—

1.08

1.5

—

1.08

1.5

—ns

EBTS = 0

EBTS = 1

Hold time selectable

via SIU_ECCR

[EBTS] bit.

CLKOUT positive edge to output

signal invalid or Hi-Z (hold time)

Calibration bus interface

CAL_CS[0, 2:3]

CAL_ADDR[10:30]

CAL_DATA[0:15]

CAL_OE

CAL_RD_WR

CAL_TS

CAL_WE/BE[0:1]

tCCOH

1.08

1.5

—

1.08

1.5

—

1.08

1.5

—ns

EBTS = 0

EBTS = 1

Hold time selectable

via SIU_ECCR

[EBTS] bit.

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