eorex
Current
State
/CS
H
L
Read with
AP
L
L
L
L
L
L
L
H
L
Write with
AP
L
L
L
L
L
L
L
H
L
L
L
Pre-charging
L
L
L
L
L
H
L
L
L
Row
Activating
L
L
L
L
L
Preliminary
EM48AM1644LBB
4. Operative Command Table (Continued)
(Note 7)
/R
X
H
H
H
H
L
L
L
L
X
H
H
H
H
L
L
L
L
X
H
H
H
H
L
L
L
L
X
H
H
H
H
L
L
L
L
/C
X
H
H
L
L
H
H
L
L
X
H
H
L
L
H
H
L
L
X
H
H
L
L
H
H
L
L
X
H
H
L
L
H
H
L
L
/W
X
H
L
H
L
H
L
H
L
X
H
L
H
L
H
L
H
L
X
H
L
H
L
H
L
H
L
X
H
L
H
L
H
L
H
L
Addr.
X
X
X
BA/CA/A10
BA/CA/A10
BA/RA
BA, A10
X
Op-Code
X
X
X
BA/CA/A10
BA/CA/A10
BA/RA
BA, A10
X
Op-Code
X
X
X
BA/CA/A10
BA/CA/A10
BA/RA
BA, A10
X
Op-Code
X
X
X
BA/CA/A10
BA/CA/A10
BA/RA
BA, A10
X
Op-Code
Command
DESL
NOP
BST
READ/READA
WRIT/WRITA
ACT
PRE/PALL
REF/SELF
MRS
DESL
NOP
BST
READ/READA
WRIT/WRITA
ACT
PRE/PALL
REF/SELF
MRS
DESL
NOP
BST
READ/READA
WRIT/WRITA
ACT
PRE/PALL
REF/SELF
MRS
DESL
NOP
BST
READ/READA
WRIT/WRITA
ACT
PRE/PALL
REF/SELF
MRS
Action
Continue burst to end
→
Pre-charging
Continue burst to end
→
Pre-charging
ILLEGAL
(Note 9)
ILLEGAL
ILLEGAL
ILLEGAL
(Note 9)
(Note 9)
(Note 9)
ILLEGAL
ILLEGAL
ILLEGAL
Burst to end
→
Write recovering
with auto pre-charge
Continue burst to end
→
Write
recovering with auto pre-charge
ILLEGAL
(Note 9)
ILLEGAL
ILLEGAL
ILLEGAL
(Note 9)
(Note 9)
(Note 9)
ILLEGAL
ILLEGAL
ILLEGAL
Nop
→
Enter idle after t
RP
Nop
→
Enter idle after t
RP
ILLEGAL
(Note 9)
ILLEGAL
ILLEGAL
(Note 9)
(Note 9)
ILLEGAL
Nop
→
Enter idle after t
RP
ILLEGAL
ILLEGAL
Nop
→
Enter idle after t
RCD
Nop
→
Enter idle after t
RCD
ILLEGAL
(Note 9)
ILLEGAL
ILLEGAL
ILLEGAL
(Note 9)
(Note 9, 16)
(Note 9)
ILLEGAL
ILLEGAL
ILLEGAL
Remark
H = High level, L = Low level, X = High or Low level (Don't care), AP = Auto Pre-charge
Jul. 2006
16/19
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