IMC020FLSA 查看數據表（PDF） - Intel
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IMC020FLSA Datasheet PDF : 39 Pages
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SERIES 2 FLASH MEMORY CARDS
Table 3 Data Access Mode Truth Table
Function Mode REG CE 2 CE 1 A0 OE WE VPP2 VPP1
D15 – D8
D7 – D0
COMMON MEMORY PLANE
STANDBY(1)
X
H
H XX
X VPPL(2) VPPL(2)
HIGH-Z
HIGH-Z
BYTE READ
H
H
L LL
H VPPL(2) VPPL(2)
HIGH-Z
EVEN-BYTE
H
H
L HL
H VPPL(2) VPPL(2)
HIGH-Z
ODD-BYTE
WORD READ
H
L
L XL
H VPPL(2) VPPL(2) ODD-BYTE EVEN-BYTE
ODD-BYTE READ H
L
H XL
H VPPL(2) VPPL(2) ODD-BYTE
HIGH-Z
BYTE WRITE
H
H
L LH
L VPPH VPPH
X
EVEN-BYTE
H
H
L HH
L VPPH VPPH
X
ODD-BYTE
WORD WRITE
H
L
L X H L VPPH VPPH ODD-BYTE EVEN-BYTE
ODD-BYTE WRITE H
L
H XH
L VPPH VPPL(2) ODD-BYTE
X
ATTRIBUTE MEMORY PLANE
BYTE READ
L
H
L L L H X(2) X(2)
HIGH-Z
EVEN-BYTE
L
H
L H L H X(2) X(2)
HIGH-Z
INVALID
WORD READ
L
L
L X L H X(2) X(2)
INVALID
EVEN-BYTE
DATA(3)
ODD-BYTE READ L
L
H X L H X(2) X(2)
INVALID
DATA(3)
HIGH-Z
BYTE WRITE
L
H
L L H L X(2) X(2)
X
EVEN-BYTE
L
H
L H H L X(2) X(2)
X
INVALID
OPERATION(3)
WORD WRITE
L
L
L X H L X(2) X(2)
INVALID
EVEN-BYTE
OPERATION(3)
ODD-BYTE WRITE L
L
H X H L X(2) X(2)
INVALID
X
OPERATION(3)
NOTES
1 Standby mode is valid in Common Memory or Attribute Memory access
2 To meet the low power specifications VPP e VPPL however VPPH presents no reliability problems
3 Odd-Byte data are not valid during access to the Attribute Memory Plane
4 H e VIH L e VIL X e Don’t Care
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