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UM1620 датащи(PDF) 22 Page - STMicroelectronics

номер детали UM1620
подробное описание детали  Standard software driver for C90FL
PDF  41 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
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UM1620 датащи(HTML) 22 Page - STMicroelectronics

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API specification
UM1620
22/41
DocID024388 Rev 3
The table below lists the Suspend Flag values returned against the Suspend State and the
Flash block status.
The values of EHV, ERS, ESUS, PGM, PSUS and PEAS represent the C90FL status at the
entry of FlashSuspend;
0: Logic zero; 1: Logic one; X: Do-not-care
.
Assumptions
It assumes that the Flash block is initialized using a ‘FlashInit()’ API.
2.6.8
FlashResume()
Description
This function checks if there is any suspended erase or program operation on the C90FL
module, and resumes the suspended operation if there is any.
SHADOW_ERS_SUS
6
The erase operation on
shadow row is in suspended
state.
Read is valid on both main array
space and shadow space.
ERS_SUS_PGM_SUS
7
The erase-suspended
program operation is in
suspended state.
Only read is valid on both main
array space and shadow row.
Table 27. Suspending state and flag vs. C90FL status
suspendState
EHV
ERS
ESUS
PGM
PSUS
PEAS
suspendFlag
NO_OPERATION
X
0
X
0
X
X
FALSE
PGM_WRITE
0
0
X
1
0
X
FALSE
ERS_WRITE
0
1
0
0
X
X
FALSE
ESUS_PGM_WRITE
0
1
1
1
0
X
FALSE
PGM_SUS
1
0
X
1
0
X
TRUE
X0
X
1
1
X
FALSE
ERS_SUS
1
1
0
0
X
0
TRUE
X1
1
0
X
0
FALSE
SHADOW_ERS_SUS
1
1
0
0
X
1
TRUE
X1
1
0
X
1
FALSE
ERS_SUS_PGM_SUS
1
1
1
1
0
X
TRUE
X1
1
1
1
X
FALSE
Table 26. suspendState definitions (continued)
Argument
Code
Description
Valid operation after suspend



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