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M16C/1N датащи(PDF) 203 Page - Renesas Technology Corp

номер детали M16C/1N
подробное описание детали  RENESAS 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M16C/10 SERIES
PDF  238 Pages
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производитель  RENESAS [Renesas Technology Corp]
домашняя страница  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

M16C/1N датащи(HTML) 203 Page - Renesas Technology Corp

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Rev.1.00
Oct 20, 2004
page 191 of 222
M16C/1N Group
19. Flash Memory Version
REJ09B0007-0100Z
Figure 19.11 Block erase flowchart (when using the erasure suspend feature)
Write ’xxD016’ to uppermost block
address (Note1)
FMR40=1
FMR41=1
FMR41=0
Start
Block erase completed
YES
NO
Write the command code ’xx2016’
(Note 1)
Access to flash memory
FMR00=1?
Full status check (Note 2, 3)
Interrupt (Note 4)
REIT
YES
NO
FMR46=1?
Access to flash memory
Interrupt (Note 4)
REIT
Write ’xxD016’ to the uppermost
block address (Note 1)
Start
(EW1 mode)
(EW0 mode)
Block erase completed
YES
NO
Write the command code ’xx2016’
(Note 1)
FMR00=1?
FMR40=1
FMR41=0
Full status check (Note 2, 3)
Note 1: Write the command code and data at even number.
Note 2: See Figure 19.12 Full status check flowchart, handling each error generated.
Note 3: When the erase error occurred, repeat the operation executing the clear status register
command and then the block erase command in succession at least 3 times until the error is
eliminated.
Note 4: In EW0 mode, allocate the interrupt vector table of used interrupt to the internal RAM.



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