eorex
Current
State
/CS
H
L
L
L
Read with
AP
L
L
L
L
H
L
L
L
Write with AP
L
L
L
L
H
L
L
L
Pre-charging
L
L
L
L
H
L
L
L
Row
Activating
L
L
L
L
EM428M1644RTA
3. Operative Command Table (Continued)
/R
X
H
H
H
L
L
L
L
X
H
H
H
L
L
L
L
X
H
H
H
L
L
L
L
X
H
H
H
L
L
L
L
/C
X
H
H
L
H
H
L
L
X
H
H
L
H
H
L
L
X
H
H
L
H
H
L
L
X
H
H
L
H
H
L
L
/W
X
H
L
X
H
L
H
L
X
H
L
X
H
L
H
L
X
H
L
X
H
L
H
L
X
H
L
X
H
L
H
L
Addr.
X
X
BA/CA/A10
BA/RA
BA/A10
X
X
Op-Code,
Mode-Add
X
X
X
BA/CA/A10
BA/RA
BA/A10
X
Op-Code,
Mode-Add
X
X
X
BA/CA/A10
BA/RA
BA/A10
X
Op-Code,
Mode-Add
X
X
X
BA/CA/A10
BA/RA
BA/A10
X
Op-Code,
Mode-Add
Command
DESL
NOP
TERM
READ/WRITE
ACT
PRE/PREA
REFA
MRS
DESL
NOP
TERM
READ/WRITE
ACT
PRE/PREA
REFA
MRS
DESL
NOP
TERM
READ/WRITE
ACT
PRE/PREA
REFA
MRS
DESL
NOP
TERM
READ/WRITE
ACT
PRE/PREA
REFA
MRS
Action
NOP(Continue burst to end)
NOP(Continue burst to end)
ILLEGAL
(Note 1)
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
NOP(Continue burst to end)
NOP(Continue burst to end)
ILLEGAL
(Note 1)
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
NOP(idle after t
RP
)
NOP(idle after t
RP
)
NOP
(Note 1)
ILLEGAL
ILLEGAL
(Note 3)
NOP(idle after t
RP
)
ILLEGAL
ILLEGAL
NOP(Row active after t
RCD
)
NOP(Row active after t
RCD
)
NOP
(Note 1)
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
Remark
H = High level, L = Low level, X = High or Low level (Don't care), AP = Auto Pre-charge
Apr. 2007
13/20
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EOREX [ EOREX CORPORATION ]
