MPC5200B datasheet(34/78 Pages) FREESCALE

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MPC5200B Data Sheet, Rev. 1

Electrical and Thermal Characteristics

Freescale Semiconductor

Figure 15. Multiword DMA Timing

NOTE

The direction of signal assertion is towards the top of the page, and the

direction of negation is towards the bottom of the page, irrespective of the

electrical properties of the signal.

Table 29. Ultra DMA Timing Specification

Sym

MODE 0

(ns)

MODE 1

(ns)

MODE 2

(ns)

Comment

SpecID

Min

Max

Min

Max

Min

Max

tCYC

114

—

Cycle time allowing for asymmetry and clock

variations from STROBE edge to STROBE edge

A8.26

t 2CYC

235

—

156

—

117

—

Two-cycle time allowing for clock variations, from

rising edge to next rising edge or from falling edge to

next falling edge of STROBE.

A8.27

t DS

—

Data setup time at recipient.

A8.28

t DH

5—5—5—

Data hold time at recipient.

A8.29

t DVS

—

Data valid setup time at sender, to STROBE edge.

A8.30

t DVH

—

Data valid hold time at sender, from STROBE edge.

A8.31

t FS

230

200

170

First STROBE time for drive to first negate DSTROBE

from STOP during a data-in burst.

A8.32

t LI

015001500150

Limited Interlock time.

A8.33

t MLI

—

Interlock time with minimum.

A8.34

DMARQ

RDATA

WDATA

(Drive)

(Host)

(Drive)

(Host)

DMACK

DIOR

DIOW

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