MF832M1-GMCAVXX データシートの表示（PDF） - MITSUBISHI ELECTRIC

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MF832M1-GMCAVXX

8/16-bit Data Bus Flash Memory Card

MITSUBISHI ELECTRIC  

ERASE ALGORITHM

8 bit mode

MITSUBISHI MEMORY CARD

FLASH MEMORY CARDS

ERASE START

ADDRESS=BLOCK ADDRESS

WRITE ERASE SETUP

COMMAND(20h)

WRITE ERASE COMMAND(D0h)

READ STATUS REGISTER

CHECK ERASE

STATUS BIT

BIT 7= ” 0”

NO

ERASE

SUSPEND?

ERASE SUSPEND

LOOP C

YES

BIT 7 = ” 1”

CHECK Vcc

ERROR BIT

BIT 3= ” 1”

BIT 3= ” 0”

CHECK CONTROL

COMMAND BIT

BIT 4. OR. 5= ” 1”

BIT 4. OR. .5= ” 0”

CHECK ERASE

ERROR BIT

BIT 5.OR.13= ” 1”

BIT 5.OR.13 = ” 0”

WRITE STATUS REGISTER CLEAR COMMAND(50h)

WRITE RESET COMMAND(FFh)

ERASE PASSED

ERASE FAILED

MITSUBISHI

ELECTRIC

12/22

Feb.1999 Rev2.0

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