HD6432621 Hitachi, HD6432621 Datasheet - Page 1029

• Manufacturer Part Number: HD6432621
• Description: (HD64F262x Series) 16-Bit Microcomputer
• Manufacturer: Hitachi

FLMCR2—Flash Memory Control Register 2
EBR1—Erase Block Register 1
Bit
Initial value
Read/Write
Bit
Initial value
Read/Write
:
:
:
:
:
:
Flash memory error
Notes: 1. This register is not present in the mask ROM version, and an
0 Flash memory is operating normally
1
FLER
R/W
EB7
R
7
0
7
0
Flash memory program/erase protection (error protection) is disabled
[Clearing condition]
Reset or hardware standby mode
An error has occurred during flash memory programming/erasing
Flash memory program/erase protection (error protection) is enabled
[Setting condition]
See section 19.8.3, Error Protection
2. To access this register, set the FLSHE bit to 1 in serial control
attempt to read it will return an undefined value.
register X (SCRX). Even if FLSHE = 1, if the chip is in a mode
in which the on-chip flash memory is disabled, a read will return
H'00 and writes are invalid. Writes to this register are also
invalid when the FWE bit in FLMCR1 is not set to 1.
R/W
EB6
—
—
6
0
6
0
Sets flash memory erase area block by block
EB5
R/W
—
—
5
0
5
0
R/W
EB4
—
—
4
0
4
0
H'FFA9
H'FFAA
EB3
R/W
—
—
3
0
3
0
EB2
R/W
—
—
2
0
2
0
R/W
EB1
—
—
1
0
1
0
EB0
R/W
—
—
0
0
0
0
ROM
ROM
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