HD64F2168 Datasheet, PDF (676/874 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer

(4) Erasure Execution
When flash memory is erased, the erase-block number on the user MAT must be passed to the
erasing program which is downloaded. This is set to the FEBS parameter (general register ER0).
One block is specified from the block number 0 to 15.
For details on the erasing processing procedure, see section 20.4.2, User Program Mode.
(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 Description
31 to 8 


Unused
These bits should be cleared to H′0.
7
EB7

6
EB6

5
EB5

4
EB4

3
EB3

2
EB2

1
EB1

0
EB0

R/W Erase Block
R/W
Set the erase-block number in the range from 0 to 15. 0
R/W
corresponds to the EB0 block and 15 corresponds to the
R/W
EB15 block. The number other than 0 to 11, 0 to 13, and
R/W
0 to 15 should not be set in the H8S/2168, H8S/2167,
R/W
and H8S/2166, respectively.
R/W
R/W
Rev. 3.00, 03/04, page 636 of 830