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STR91x can not execute 32-bit writing to external RAM.

ase
Associate II
Posted on March 02, 2007 at 10:59

STR91x can not execute 32-bit writing to external RAM.

2 REPLIES 2
ase
Associate II
Posted on May 17, 2011 at 09:36

With 32-bit reading all Ok.

But with writing the every second pulse ALE is missed.

Explain please to me how correctly adjust EMI-registers to solve this problem, if it possible at all.

Scheme and timing diagram is attached.

[ This message was edited by: AlexandrY on 17-02-2007 20:04 ]

ase
Associate II
Posted on May 17, 2011 at 09:36

The problem is solved.

The fact was that I incorrectly changed the condition of register EMI_BCRx

Instead of 0x00303010 I wrote down 0x00003010 and it gave fatal consequences. 😉