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4. Consecutively transfer 128 bytes of data in byte units from the reprogramming data area or
additional-programming data area to the flash memory. The program address and 128-byte
data are latched in the flash memory. The lower 8 bits of the start address in the flash memory
destination area must be H'00 or H'80.
Do not use RTS instruction from data transfer to setting P bit to 1. (This does not apply to the
HD64F38124.)
5. The time during which the P bit is set to 1 is the programming time. Figure 6.12 shows the
allowable programming times.
6. The watchdog timer (WDT) is set to prevent overprogramming due to program runaway, etc.
An overflow cycle of approximately 6.6 ms is allowed.
7. For a dummy write to a verify address, write 1-byte data H'FF to an address whose lower 1 bit
is b'0. Verify data can be read in word size from the address to which a dummy write was
performed.
Do not use RTS instruction from dummy write to verify data read. (This does not apply to the
HD64F38124.)
8. The maximum number of repetitions of the program/program-verify sequence of the same bit
is 1,000.
Содержание H8/38024 Series
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