H8S56 Datasheet, PDF (742/980 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2500 Series

Section 20 Flash Memory
(a) Flash erase block select parameter (FEBS: general register ER0 of CPU)
This parameter specifies the erase-block number. The several block numbers cannot be specified.
Initial
Bit
Bit Name Value R/W
31 to 8 ⎯
⎯
⎯
7
EB7
⎯
R/W
6
EB6
⎯
R/W
5
EB5
⎯
R/W
4
EB4
⎯
R/W
3
EB3
⎯
R/W
2
EB2
⎯
R/W
1
EB1
⎯
R/W
0
EB0
⎯
R/W
Description
Reserved
These bits should be cleared to 0.
Erase Block
Set the erase-block number in the range from 0 to 15. 0
corresponds to the EB0 block and 15 corresponds to the
EB15 block. An error occurs when the number other than
0 to 15 is set.
(b) Flash pass/fail parameter (FPFR: general register R0L of CPU)
This parameter returns value of the erasing processing result.
Initial
Bit
Bit Name Value R/W Description
7
⎯
⎯
⎯
Reserved
Return 0.
6
MD
⎯
⎯
Erasure Mode Related Setting Error Detect
Returns the check result of whether the error protection
state is entered. For conditions to enter the error
protection state, see section 20.5.3, Error Protection.
0: FLER setting is normal (FLER = 0)
1: FLER = 1 and erasure cannot be performed
Rev. 6.00 Sep. 24, 2009 Page 694 of 928
REJ09B0099-0600