MPC5553 datasheet(32/60 Pages) FREESCALE

номер детали	MPC5553

подробное описание детали	Microcontroller

PDF	60 Pages

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производитель	FREESCALE [Freescale Semiconductor, Inc]

домашняя страница	http://www.freescale.com

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MPC5553 Microcontroller Data Sheet, Rev. 0

Preliminary—Subject to Change Without Notice

Electrical Characteristics

Freescale Semiconductor

3.13.4

External Bus Interface (EBI) Timing

Table 22. Bus Operation Timing1

Characteristic/Description Symbol

40 MHz

(ext. bus)2

56 MHz

(ext. bus)2

66 MHz

(ext. bus)2

Unit

Notes

Min

Max

Min

Max

Min

Max

1CLKOUT Period

25.0

—

17.9

—

15.2

—

Signals are

measured at 50%

VDDE.

CLKOUT duty cycle

tCDC

45%

55%

45%

55%

45%

55%

CLKOUT rise time

tCRT

——3

CLKOUT fall time

tCFT

——3

CLKOUT Positive Edge to

Output Signal Invalid or High

Z (Hold Time)

ADDR[8:31]

BDIP

BG4

BR5

CS[0:3]

DATA[0:31]

RD_WR

TEA

TSIZ[0:1]

WE[0:3]/BE[0:3]

tCOH

1.06/

1.5

—1.06/

1.5

—1.06/

1.5

—ns

Hold time

selectable via

SIU_ECCR[EBTS]

bit:

EBTS=0/EBTS=1

CLKOUT Posedge to Output

Signal Valid (Output Delay)

ADDR[8:31]

BDIP

BG4

BR5

CS[0:3]

DATA[0:31]

RD_WR

TEA

TSIZ[0:1]

WE[0:3]/BE[0:3]

tCOV

—10.06/

11.0

—7.56/

8.5

—6.06/

7.0

Output valid time

selectable via

SIU_ECCR[EBTS]

bit:

EBTS=0/EBTS=1

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