EP9307(2005) View Datasheet(PDF) - Cirrus Logic

Part Name

Description

Manufacturer

EP9307
(Rev.:2005)

ARM9 SOC with Ethernet, USB, Display, and Touchscreen

Cirrus Logic 

EP9307

ARM9 SOC with Ethernet, USB, Display and Touchscreen

Static Memory Burst Read Cycle

Parameter

CSn assert to Address 1 transition time

Address assert time

AD transition to CSn deassert time

AD hold from CSn deassert time

CSn to RDn delay time

CSn to DQMn assert delay time

DA setup to AD transition time

DA setup to CSn deassert time

DA hold from AD transition time

DA hold from RDn deassert time

Symbol

tADd1

tADd2

tADd3

tADh

tRDd

tDQMd

tDAs1

tDAs2

tDAh1

tDAh2

Min

-

-

-

tHCLK

-

-

15

tHCLK + 12

0

0

Typ

tHCLK × (WST1 + 1)

tHCLK × (WST2 + 1)

tHCLK × (WST1 + 2)

-

-

-

-

-

-

-

Max

-

-

-

-

3

1

-

-

-

-

Unit

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

Note: These characteristics are valid when the Page Mode Enable (Burst Mode) bit is set. See the User's Guide for details.

tADs

AD

CSn

WRn

tRDd

RDn

DQMn

tDQMd

DA

WAIT

tADd1

tADd2

tADd2

tADd3

tADh

tDAs1

tDAh1

tDAs1

tDAh1

tDAs1

tDAh1

tDAh2

tDAs2

Figure 12. Static Memory Burst Read Cycle Timing Measurement

DS667PP4

©Copyright 2005 Cirrus Logic (All Rights Reserved)

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