H8SXSLASH1663 datasheet(949/1158 Pages) RENESAS

949 / 1158 page

Section 21 Flash Memory (0.18-

µm F-ZTAT Version)

Rev.1.00 Jun. 07, 2006 Page 897 of 1102

REJ09B0294-0100

Bit

Bit Name

Initial

Value

R/W

Description



R/W

Erasure Execution Error Detect

Returns 1 when the user MAT could not be erased or

when the flash memory related register settings are

partially changed. If this bit is set to 1, there is a high

possibility that the user MAT has been erased partially.

In this case, after removing the error factor, erase the

user MAT.

0: Erasure has ended normally

1: Erasure has ended abnormally



R/W

Flash Key Register Error Detect

Checks the FKEY value (H'5A) before erasure starts,

and returns the result.

0: FKEY setting is normal (H'5A)

1: FKEY setting is abnormal (value other than H'5A)



R/W

Erase Block Select Error Detect

Checks whether the specified erase block number is in

the block range of the user MAT, and returns the result.

0: Setting of erase block number is normal

1: Setting of erase block number is abnormal

2, 1



Unused

These bits return 0.



R/W

Success/Fail

Indicates the erasure result.

0: Erasure has ended normally (no error)

1: Erasure has ended abnormally (error occurs)

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