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UM1627 数据表(PDF) 23 Page - STMicroelectronics

部件名 UM1627
功能描述  Standard software driver for C90LC Flash
PDF  38 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

UM1627 数据表(HTML) 23 Page - STMicroelectronics

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UM1627
API specification
Return values
Troubleshooting
Comments
Following table defines and describes various blkLockIndicator values.
For Shadow/Low/Mid address spaces, there are two block lock levels. The secondary level
of block locking provides an alternative means to protect blocks from being modified. A
logical “OR” of the corresponding bits in the primary and secondary lock registers for a block
blkLockEnabled
Indicate whether the
address space block locking
register is enabled for
register writes
TRUE – The address space block locking register
is enabled for register writes.
FALSE – The address space block locking register
is disabled for register writes.
blkLockState
Returns the blocks’ locking
status of indicated locking
level in the given address
space
Bit mapped value indicating the locking status of
the specified locking level and address space.
1: The block is locked from program/erase.
0: The block is ready for program/erase
Table 33. Return values for GetLock()
Type
Description
Possible values
UINT32
Successful completion or error value.
C90FL_OK
C90FL_ERROR_LOCK_INDICATOR
Table 34. Troubleshooting for GetLock()
Returned error bits
Possible causes
Solution
C90FL_ERROR_LOCK_INDICATOR
The input blkLockIndicator is
invalid.
Set this argument to correct
value listed in Table 35.
Table 35. blkLockIndicator definitions
Code Name
Value
Description
LOCK_SHADOW_PRIMARY
0
Primary block lock protection of shadow address space
LOCK_SHADOW_SECONDARY
1
Secondary block lock protection of shadow address
space
LOCK_LOW_PRIMARY
2
Primary block lock protection of low address space
LOCK_LOW_SECONDARY
3
Secondary block lock protection of low address space
LOCK_MID_PRIMARY
4
Primary block lock protection of mid address space
LOCK_MID_SECONDARY
5
Secondary block lock protection of mid address space
LOCK_HIGH
6
Block lock protection of high address space
Table 32. Arguments for GetLock() (continued)
Argument
Description
Range



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