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R8C2K Datasheet(PDF) 397 Page - Renesas Technology Corp

No. de pieza R8C2K
Descripción Electrónicos  RENESAS MCU R8C FAMILY / R8C/2x SERIES
PDF  471 Pages
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Fabricante Electrónico  RENESAS [Renesas Technology Corp]
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R8C2K Datasheet(HTML) 397 Page - Renesas Technology Corp

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R8C/2K Group, R8C/2L Group
20. Flash Memory
Rev.1.10
Dec 21, 2007
Page 380 of 450
REJ09B0406-0110
Figure 20.14
Block Erase Command in EW0 Mode (When Suspend Function Enabled)
Start
Write the command code 20h
Write D0h to any block
address
FMR00 = 1 ?
Full status check
Block erase completed
No
Yes
FMR40 = 1
NOTES:
1. In EW0 mode, the interrupt vector table and interrupt routine for interrupts to be used should be allocated to
the RAM area.
2. When no interrupt is used, the instruction to enable interrupts is not needed.
3. td(SR-SUS) is needed until erase is suspended after the FMR41 bit in the FMR4 register is set to 1.
Maskable interrupt(1)
REIT
Yes
FMR41 = 0
FMR43 = 1 ?
FMR46 = 1 ?
No
No
I = 1 (enable interrupt)(2)
FMR41 = 1(3)
Yes
Access flash memory
Access flash memory



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