Renesas H8S/2111B - Manual (Page 474)

Rev. 1.00, 05/04, page 440 of 544
18.5.3 Erase Block Registers 1 and 2 (EBR1, EBR2)
EBR1 and EBR2 are used to specify the flash memory erase block. EBR1 and EBR2 are
initialized to H'00 by a reset, or in hardware standby mode, software standby mode, sub-active
mode, sub-sleep mode, or watch mode, or when the SWE bit in FLMCR1 is cleared to 0. Set only
one bit to 1 at a time, otherwise all bits in EBR1 and EBR2 are automatically cleared to 0.
• EBR1
Bit Bit Name
Initial
Value R/W Description
7 to 0 — All 0 R/(W) Reserved
The initial values should not be modified.
• EBR2
Bit Bit Name
Initial
Value R/W Description
7 EB7 0 R/W* When this bit is set to 1, 8 Kbytes of EB7
(H'00E000 to H'00FFFF) are to be erased.
6 EB6 0 R/W When this bit is set to 1, 8 Kbytes of EB6
(H'00C000 to H'00DFFF) are to be erased.
5 EB5 0 R/W When this bit is set to 1, 16 Kbytes of EB5
(H'008000 to H'00BFFF) are to be erased.
4 EB4 0 R/W When this bit is set to 1, 28 Kbytes of EB4
(H'001000 to H'007FFF) are to be erased.
3 EB3 0 R/W When this bit is set to 1, 1 Kbyte of EB3
(H'000C00 to H'000FFF) is to be erased.
2 EB2 0 R/W When this bit is set to 1, 1 Kbyte of EB2
(H'000800 to H'000BFF) is to be erased.
1 EB1 0 R/W When this bit is set to 1, 1 Kbyte of EB1
(H'000400 to H'0007FF) is to be erased.
0 EB0 0 R/W When this bit is set to 1, 1 Kbyte of EB0
(H'000000 to H'0003FF) is to be erased.
Note: * In normal mode, this bit is always read as 0 and cannot be modified.