Chapter 21 64 KB Flash Module (S12ZFTMRZ64K2KV2)
S12ZVHY/S12ZVHL Family Reference Manual Rev. 1.05
Freescale Semiconductor
723
Upon clearing CCIF to launch the Erase Verify All Blocks command, the Memory Controller will verify
that the entire Flash memory space is erased. The CCIF flag will set after the Erase Verify All Blocks
operation has completed. If all blocks are not erased, it means blank check failed, both MGSTAT bits will
be set.
21.4.7.2
Erase Verify Block Command
The Erase Verify Block command allows the user to verify that an entire P-Flash or EEPROM block has
been erased.
Upon clearing CCIF to launch the Erase Verify Block command, the Memory Controller will verify that
the selected P-Flash or EEPROM block is erased. The CCIF flag will set after the Erase Verify Block
operation has completed.If the block is not erased, it means blank check failed, both MGSTAT bits will be
set.
Table 21-33. Erase Verify All Blocks Command FCCOB Requirements
Register
FCCOB Parameters
FCCOB0
0x01 Not
required
Table 21-34. Erase Verify All Blocks Command Error Handling
Register
Error Bit
Error Condition
FSTAT
ACCERR
Set if CCOBIX[2:0] != 000 at command launch
FPVIOL
None
MGSTAT1
Set if any errors have been encountered during the reador if blank check failed .
MGSTAT0
Set if any non-correctable errors have been encountered during the read or if
blank check failed.
Table 21-35. Erase Verify Block Command FCCOB Requirements
Register
FCCOB Parameters
FCCOB0
0x02
Global address [23:16] to
identify Flash block
FCCOB1
Global address [15:0] to identify Flash block
Table 21-36. Erase Verify Block Command Error Handling
Register
Error Bit
Error Condition
FSTAT
ACCERR
Set if CCOBIX[2:0] != 001 at command launch
Set if an invalid global address [23:0] is supplied see
)
FPVIOL
None
MGSTAT1
Set if any errors have been encountered during the read or if blank check failed.
MGSTAT0
Set if any non-correctable errors have been encountered during the read or if
blank check failed.
