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UM1634 датащи(PDF) 29 Page - STMicroelectronics

номер детали UM1634
подробное описание детали  Standard software driver for C90FL2 Flash
PDF  43 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

UM1634 датащи(HTML) 29 Page - STMicroelectronics

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DocID024601 Rev 3
29/43
UM1634
API specification
Return values
Comments
The bit field allocation for blkLockState is same as that in ‘GetLock()’ function.
Assumptions
It assumes that the Flash block is initialized using a ‘FlashInit()’ API.
3.6.11
FlashDepletionRecover()
Description
This function recovers over-erased or depleted bits in flash block. It is possible that a
brownout during Flash erase operation will leave the bits in the Flash block(s) being erased
at an over-erased or depleted state. Depending how depleted the bits are, the excessive
column leakage caused by the bits might cause the following erase operation for brownout
recovery to fail due to suppressed drain bias. For such case, this function invok to recover
the depleted bits in those Flash block(s) so that they can be erased again for brownout
recovery.
Prototype
UINT32 FlashDepletionRecover (PSSD_CONFIG pSSDConfig,
UINT8 shadowFlag,
UINT32 lowEnabledBlocks,
UINT32 midEnabledBlocks,
UINT32 highEnabledBlocks,
void (*CallBack)(void));
Table 36. Return values for SetLock()
Return Values
Possible Causes
Solution
C90FL_ERROR_LOCK_INDICATOR
The input blkLockIndicator is
invalid.
Set this argument to
correct value listed in
Table 30
C90FL_ERROR_PASSWORD
The given password cannot enable
the block lock register for register
writes.
Pass in a correct
password
C90FL_OK
Successful completion



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