HD64F7050 RENESAS [Renesas Technology Corp], HD64F7050 Datasheet - Page 622
HD64F7050
Manufacturer Part Number
HD64F7050
Description
32-Bit RISC Microcomputer SuperH RISC engine Family/
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
1.HD64F7050.pdf
(841 pages)
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Section 19 ROM (256 kB Version)
19.5.4
EBR2 is an 8-bit register that specifies the flash memory erase area block by block. EBR2 is
initialized to H'00 by a reset, in hardware standby mode and software standby mode, when a low
level is input to the FWE pin, and when a high level is input to the FWE pin and the SWE bit in
FLMCR1 is not set. When a bit in EBR2 is set to 1, the corresponding block can be erased. Other
blocks are erase-protected. Only one of the bits of EBR1 and EBR2 combined can be set. Do not
set more than one bit. When on-chip flash memory is disabled, a read will return H'00, and writes
are invalid.
The flash memory block configuration is shown in table 19.3.
Table 19.3 Flash Memory Erase Blocks
Block (Size)
EB0 (32 kB)
EB1 (32 kB)
EB2 (32 kB)
EB3 (32 kB)
EB4 (32 kB)
EB5 (32 kB)
EB6 (32 kB)
EB7 (28 kB)
EB8 (1 kB)
EB9 (1 kB)
EB10 (1 kB)
EB11 (1 kB)
Rev. 5.00 Jan 06, 2006 page 602 of 818
REJ09B0273-0500
Initial value:
Erase Block Register 2 (EBR2)
R/W:
Bit:
EB11
R/W
7
0
EB10
R/W
6
0
Address
H'000000–H'007FFF
H'008000–H'00FFFF
H'010000–H'017FFF
H'018000–H'01FFFF
H'020000–H'027FFF
H'028000–H'02FFFF
H'030000–H'037FFF
H'038000–H'03EFFF
H'03F000–H'03F3FF
H'03F400–H'03F7FF
H'03F800–H'03FBFF
H'03FC00–H'03FFFF
R/W
EB9
5
0
R/W
EB8
4
0
R/W
EB7
3
0
R/W
EB6
2
0
R/W
EB5
1
0
R/W
EB4
0
0
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