R5F72115D160FPV datasheet(943/1228 Pages) RENESAS

943 / 1228 page

Section 21 Flash Memory

Rev. 2.00 May. 08, 2008 Page 919 of 1200

REJ09B0344-0200

Bit

Bit Name

Initial

Value

R/W

Description

Undefined

R/W

Erasure Execution Error Detect

1 is returned to this bit when the user MAT could not be

erased or when flash-memory related register settings

are partially changed on returning from the user branch

processing.

If this bit is set to 1, there is a high possibility that the

user MAT is partially erased. In this case, after

removing the error factor, erase the user MAT.

If FMATS is set to H'AA and the user boot MAT is

selected, an error occurs when erasure is performed. In

this case, both the user MAT and user boot MAT are

not erased.

Erasure of the user boot MAT must be executed in boot

mode or programmer mode.

0: Erasure has ended normally

1: Erasure has ended abnormally (erasure result is not

guaranteed)

Undefined

R/W

Flash Key Register Error Detect

Returns the check result of FKEY value before start of

the erasing processing.

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

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

Undefined

R/W

Erase Block Select Error Detect

Returns the check result whether the specified erase-

block number is in the block range of the user MAT.

0: Setting of erase-block number is normal

1: Setting of erase-block number is abnormal

2, 1

⎯

Undefined

R/W

Unused

Return 0.

Undefined

R/W

Success/Fail

Indicates whether the erasing processing has ended

normally or not.

0: Erasure has ended normally (no error)

1: Erasure has ended abnormally (error occurs)

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