HD6417040AF28 RENESAS [Renesas Technology Corp], HD6417040AF28 Datasheet - Page 751
HD6417040AF28
Manufacturer Part Number
HD6417040AF28
Description
Renesas 32-Bit Single-Chip RISC Microprocessor SuperH RISC engine Family/SH7040 Series(CPU Core SH-2)
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
1.HD6417040AF28.pdf
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Notes: *1 Preprogramming (setting erase block data to all “0”) is not necessary.
*2 Verify data is read in 32-bit (longword) units.
*3 Set only one bit in EBR1(2). More than one bit cannot be set.
*4 Erasing is performed in block units. To erase a number of blocks, each block must be erased in turn.
*5 Make sure to set the wait times and repetitions as specified. Erasing may not complete correctly if values other
than the specified ones are used.
Increment
address
NG
NG
Set block start address to verify address
H'FF dummy write to verify address
Clear ESU1(2) bit in FLMCR1(2)
Set ESU1(2) bit in FLMCR1(2)
Clear EV1(2) bit in FLMCR1(2)
Clear E1(2) bit in FLMCR1(2)
Set EV1(2) bit in FLMCR1(2)
Set E1(2) bit in FLMCR1(2)
*4
Clear SWE bit in FLMCR1
Set SWE bit in FLMCR1
Last address of block?
Verify data = all "1"?
erasing of all erase
Read verify data
End of erasing
Enable WDT
Set EBR1(2)
Disable WDT
Wait 200 s
Wait 10 s
Wait 10 s
Wait 10 s
Wait 20 s
Wait 5 ms
Wait 2 s
Wait 5 s
blocks?
End of
n = 1
Start
OK
OK
OK
*1
NG
*5
*5
*3
*5
Start erase
*5
Halt erase
*5
*5
*5
*5
*2
Clear EV1(2) bit in FLMCR1(2)
Clear SWE bit in FLMCR1
Erase failure
Wait 5 s
n
60?
OK
*5
NG
n
*5
n + 1
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