EP7312-EB-90 Просмотр технического описания (PDF) - Cirrus Logic

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EP7312-EB-90

High-Performance, Low-Power System on Chip with SDRAM and Enhanced Digital Audio Interface

Cirrus Logic 

SDRAM Load Mode Register Cycle

SDCLK

SDCS

SDRAS

SDCAS

ADDR

DATA

SDQM

SDMWE

tCSa

tRAa

tCAa

tADv

tMWa

EP7312

High-Performance, Low-Power System on Chip

tCSd

tRAd

tCAd

tADx

tMWd

Figure 3. SDRAM Load Mode Register Cycle Timing Measurement

Note:

1. Timings are shown with CAS latency = 2

2. The SDCLK signal may be phase shifted relative to the rest of the SDRAM control and data signals due to uneven loading.

Designers should take care to ensure that delays between SDRAM control and data signals are approximately equal

DS508PP5

©Copyright Cirrus Logic, Inc. 2003

(All Rights Reserved)

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