HD6432160 RENESAS [Renesas Technology Corp], HD6432160 Datasheet - Page 645
HD6432160
Manufacturer Part Number
HD6432160
Description
Hitachi 16-Bit Single-Chip Microcomputer
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
1.HD6432160.pdf
(829 pages)
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4. Do not set/clear the SWE bit during program execution in the flash memory.
5. Do not use interrupts during flash memory programming/erasing
6. Do not perform additional programming. Programming must be performed in the erased state.
7. Ensure that the PROM programmer is correctly attached before programming.
8. Do not touch the socket adapter or LSI while programming.
In the recommended algorithm, flash memory programming/erasing can be performed without
subjecting this LSI to voltage stress or sacrificing program data reliability. When setting the P
or E bit in FLMCR1 to 1, set the watchdog timer against program runaway.
Do not set/clear the SWE bit during program execution in the flash memory. An interval of at
least 100 s is necessary between program execution or data reading in flash memory and
SWE bit clearing. When the SWE bit is set to 1, flash memory data can be modified, however,
flash memory data can be read only in program-verify or erase-verify mode. Do not access the
flash memory for a purpose other than verification during programming/erasing. Do not clear
the SWE bit during programming, erasing, or verifying.
In order to give the highest priority to programming/erasing operation, disable all interrupts
including NMI input when the flash memory is programmed or erased.
Program the area with 128-byte programming-unit blocks in on-board programming or
programmer mode only once. Perform programming in the state where the programming-unit
block is fully erased.
If the socket, socket adapter, or product index does not match the specifications, too much
current flows and the product may be damaged.
Touching either of these can cause contact faults and write errors.
Rev. 2.0, 08/02, page 605 of 788
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