EasyManua.ls Logo

STMicroelectronics STM32F405

STMicroelectronics STM32F405
1731 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Loading...
DocID018909 Rev 11 83/1731
RM0090 Embedded Flash memory interface
112
Figure 5. Sequential 32-bit instruction execution
When the code is not sequential (branch), the instruction may not be present in the currently
used instruction line or in the prefetched instruction line. In this case (miss), the penalty in
terms of number of cycles is at least equal to the number of wait states.
&
&
&
&
$
$
$
$
%
%
%
%
&
&
&
&
$
$
$
%
%








2EADINS 'IVESINS 2EADINS 'IVESINS
INS
FETCH
INS
FETCH
INS
FETCH
INS
FETCH
INS
FETCH
INS
FETCH
INS
FETCH
INS
FETCH
7!)4
7!)4
$%

&
&
&
&
$
$
$
%
%




&
&
&
&
$
$
$
%
%
7AITDATA




%
2EADINS 'IVESINS 'IVESINS
2EADINS 2EADINS
INS INS
FETCH
INS INS
7ITHOUTPREFETCH
7ITHPREFETCH
&$%
#ORTEX-PIPELINE
!("PROTOCOL
ADDRESSREQUESTED
&&ETCHSTAGE
$$ECODESTAGE
%%XECUTESTAGE
INS
FETCH
INS
FETCH
INS
FETCH FETCH FETCH FETCH
INS
FETCH
-36

Table of Contents

Related product manuals