HD64F3039F18 Datasheet, PDF (623/710 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8 Family / H8/300H Series

EBR—Erase Block Register
Appendix B Internal I/O Register Field
H'42
Flash memory
Bit
7
6
5
4
3
2
1
0
EB7
EB6
EB5
EB4
EB3
EB2
EB1 EB0
Modes
1 to 4,
and 6
Initial value
Read/Write
0
R
0
R
0
R
0
R
0
R
0
R
0
0
R
R
Modes Initial value
0
0
0
0
0
0
0
0
5 to 7 _{Read/Write R/W}
R/W
R/W
R/W
R/W
R/W
R/W R/W
Block 7 to 0
0 Block EB7 to EB0 is not selected (Initial value)
1 Block EB7 to EB0 is selected
Note: When not erasing flash memory, EBR should be cleared to H'00.
This register is used only in the flash memory versions. Reading the corresponding address
in a mask ROM version will always return 1s, and writes to this address are disabled.
1s cannot be set in this register in mode 6.
Rev.3.00 Mar. 26, 2007 Page 599 of 682
REJ09B0353-0300