HD64F2638F20J Datasheet, PDF (810/1512 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2600 Series

Section 21A ROM
(H8S/2636 Group)
H8S/2639, H8S/2638, H8S/2636,
H8S/2630, H8S/2635 Group
21A.7.2 Flash Memory Control Register 2 (FLMCR2)
FLMCR2 is an 8-bit register used for flash memory operating mode control. FLMCR2 is
initialized to H'00 by a reset, and in hardware standby mode and software standby mode. When
on-chip flash memory is disabled, a read will return H'00.
Bit: 7
6
5
4
3
2
1
0
FLER
—
—
—
—
—
—
—
Initial value: 0
0
0
0
0
0
0
0
R/W: R
—
—
—
—
—
—
—
Note: FLMCR2 is a read-only register, and should not be written to.
Bit 7—Flash Memory Error (FLER): Indicates that an error has occurred during an operation on
flash memory (programming or erasing). When FLER is set to 1, flash memory goes to the error-
protection state.
Bit 7: FLER
0
1
Description
Flash memory is operating normally
(Initial value)
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 21A.10.3, Error Protection
Bits 6 to 0—Reserved: These bits always read 0.
Page 760 of 1458
REJ09B0103-0800 Rev. 8.00
May 28, 2010