HD64F3437TF16 Datasheet, PDF (658/752 Pages) Hitachi Semiconductor – 12 V must not be applied to the S-mask model (single-power-supply specification), as this may permanently damage the device.

FLMCR2—Flash Memory Control Register 2
• H8/3437SF
(Single-power-supply flash memory only)
H'81
Flash memory
Bit
7
6
5
4
3
2
1
0
FLER
—
—
—
—
—
ESU PSU
Initial value
0
0
0
0
0
0
0
0
Read/Write
R
—
—
—
—
—
R/W R/W
Program Setup
0 Program setup cleared (initial value)
1 Program setup
[Setting condition]
When SWE = 1
Erase Setup
0 Erase setup cleared (initial value)
1 Erase setup
[Setting condition]
When SWE = 1
Flash Memory Error
0 Flash memory is operating normally (initial value)
1 An error occurred during flash memory programming/erasing
Note: The FLSHE bit in WSCR must be set to 1 in order for this register to be accessed.
629