MPC5534MVM80 datasheet(33/60 Pages) FREESCALE

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Electrical Characteristics

MPC5534 Microcontroller Data Sheet, Rev. 6

Freescale Semiconductor

3.13.4

External Bus Interface (EBI) Timing

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

Table 22. External Bus Operation Timing1, 2

Spec

Characteristic

and

Description

Symbol

External Bus Frequency 3

Unit

Notes

20 MHz

33 MHz

40 MHz

Min.

Max

Min.

Max

Min.

Max

CLKOUT period

24.4

—17.5—

14.9

—ns

Signals are measured at

50% VDDE.

CLKOUT duty cycle

tCDC

45%

55%

45%

55%

45%

55%

CLKOUT rise time

tCRT

—

—4

——

—

—4

CLKOUT fall time

tCFT

—

—4

——4

—

—4

5 5

CLKOUT positive edge to

output signal invalid or

Hi-Z (hold time)

External bus interface

CS[0:3]

ADDR[8:31]

DATA[0:15]

RD_WR

BDIP

WE/BE[0:1]

tCOH

1.06

1.5

—

1.06

1.5

—

1.06

1.5

—ns

EBTS = 0

EBTS = 1

Hold time selectable via

SIU_ECCR

[EBTS] bit.

Calibration bus interface

CAL_CS[0, 2:3]

CAL_ADDR[10:30]

CAL_DATA[0:15]

CAL_RD_WR

CAL_WE[0:1]

CAL_OE

CAL_TS

tCCOH

1.0 6

1.5

—

1.0 6

1.5

—

1.0 6

1.5

—ns

EBTS = 0

EBTS = 1

Hold time selectable via

SIU_ECCR

[EBTS] bit.

6 5

CLKOUT positive edge to

output signal valid

(output delay)

External bus interface

CS[0:3]

ADDR[8:31]

DATA[0:15]

RD_WR

BDIP

WE/BE[0:1]

tCOV

—

10.06



11.0

—

10.06



11.0

—

10.06



11.0

EBTS = 0

EBTS = 1

Output valid time

selectable via

SIU_ECCR

[EBTS] bit.

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