h8s-2172 Renesas Electronics Corporation., h8s-2172 Datasheet - Page 415

• Manufacturer Part Number: h8s-2172
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family H8s-2100 Series
• Manufacturer: Renesas Electronics Corporation.

Bit
4
Bit Name
FLER
Initial
Value
0
R/W
R
Description
Flash Memory Error
Indicates an error occurs during programming and
erasing flash memory. When FLER is set to 1, flash
memory enters the error protection state.
When FLER is set to 1, high voltage is applied to the
internal flash memory. To reduce the damage to flash
memory, the reset must be released after the reset
period of 100 µs which is longer than normal.
0: Flash memory operates normally.
[Clearing condition]
•
1: An error occurs during programming/erasing flash
[Setting conditions]
•
•
•
•
Programming/erasing protection for flash memory
(error protection) is invalid.
memory.
Programming/erasing protection for flash memory
(error protection) is valid.
At a reset or in hardware standby mode
When an interrupt, such as NMI, occurs during
programming/erasing flash memory.
When the flash memory is read during
programming/erasing flash memory (including a
vector read or an instruction fetch).
When the SLEEP instruction is executed during
programming/erasing flash memory (including
software-standby mode)
When a bus master other than the CPU, such as the
DMAC, gets bus mastership during
programming/erasing flash memory.
Rev. 2.00, 03/04, page 383 of 534