p2125vps20 Renesas Electronics Corporation., p2125vps20 Datasheet - Page 521

• Manufacturer Part Number: p2125vps20
• Description: 16-bit Single-chip Microcomputer H8s Family / H8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

(4)
When flash memory is erased, the erase-block number on the user MAT must be passed to the
erasing program that is downloaded. This is set to the FEBS parameter (general register ER0).
One block is specified from the block numbers 0 to 23.
For details on the erasing procedure, see section 19.4.2, User Program Mode.
(a)
This parameter specifies the erase-block number. Several block numbers cannot be selected at one
time.
Bit
31 to 8 
7
6
5
4
3
2
1
0
Erasure Execution
Flash erase block select parameter (FEBS: general register ER0 of CPU)
Bit Name
EB7
EB6
EB5
EB4
EB3
EB2
EB1
EB0
Initial
Value









R/W

R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Description
Unused
These bits should be cleared to 0.
Erase Block
These bits 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 a
number other than 0 to 15 (H'00 to H'0F) is set.
Section 19 Flash Memory (0.18-µm F-ZTAT Version)
Rev. 1.00 Sep. 21, 2006 Page 483 of 658
REJ09B0310-0100