HD64F3670 RENESAS [Renesas Technology Corp], HD64F3670 Datasheet - Page 110

• Manufacturer Part Number: HD64F3670
• Description: Hitachi Single-Chip Microcomputer
• Manufacturer: RENESAS [Renesas Technology Corp]

6. If the read data is not erased successfully, set erase mode again, and repeat the erase/erase-
7.4.3
All interrupts, including the
or erased, or while the boot program is executing, for the following three reasons:
1. Interrupt during programming/erasing may cause a violation of the programming or erasing
2. If interrupt exception handling starts before the vector address is written or during
3. If an interrupt occurs during boot program execution, normal boot mode sequence cannot be
Rev. 2.0, 03/02, page 86 of 298
verify sequence as before. The maximum number of repetitions of the erase/erase-verify
sequence is 100.
algorithm, with the result that normal operation cannot be assured.
programming/erasing, a correct vector cannot be fetched and the CPU malfunctions.
carried out.
Interrupt Handling when Programming/Erasing Flash Memory
interrupt, are disabled while flash memory is being programmed