11
1Gbit (32Mx32bit) Mobile SDR Memory
H55S1G(2/3)2MFP Series
CURRENT STATE TRUTH TABLE (Sheet 2 of 4)
Command
Current
Action
Notes
BA0/
BA1
State
CS RAS CAS WE
Amax-A0
Description
Read
H
L
X
L
L
X
L
L
X
L
X
X
Device Deselect
Continue the Burst
ILLEGAL
OP CODE
Mode Register Set
13,14
13
L
H
X
X
X
Auto or Self Refresh ILLEGAL
Termination Burst: Start
the Precharge
L
L
L
L
L
H
H
L
L
H
L
BA
BA
BA
Precharge
10
4
Row Add.
Bank Activate
Write/WriteAP
ILLEGAL
Write
Col Add.
A10
Termination Burst: Start
Write(optional AP)
H
8
Col Add.
A10
Termination Burst: Start
Read(optional AP)
L
H
L
H
BA
Read/ReadAP
8,9
L
H
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
H
H
X
L
H
X
L
H
X
L
X
X
X
X
No Operation
Continue the Burst
Continue the Burst
ILLEGAL
Device Deselect
Mode Register Set
OP CODE
13,14
13
L
L
H
L
X
X
X
Auto or Self Refresh ILLEGAL
L
H
H
L
BA
BA
BA
BA
X
Precharge
ILLEGAL
4,12
4,12
12
Read with
Auto
Precharge
L
H
L
Row Add.
Bank Activate
ILLEGAL
H
H
H
X
L
Col Add. A10 Write/WriteAP
Col Add. A10 Read/ReadAP
ILLEGAL
L
H
H
X
L
ILLEGAL
12
H
X
L
X
No Operation
Continue the Burst
Continue the Burst
ILLEGAL
X
X
Device Deselect
Mode Register Set
OP CODE
13,14
13
L
L
H
L
X
X
X
Auto or Self Refresh ILLEGAL
L
H
H
L
BA
BA
BA
BA
X
Precharge
ILLEGAL
4,12
4,12
12
Write with
Auto
Precharge
L
H
L
Row Add.
Bank Activate
ILLEGAL
H
H
H
X
Col Add. A10 Write/WriteAP
Col Add. A10 Read/ReadAP
ILLEGAL
L
H
H
X
ILLEGAL
12
H
X
X
X
No Operation
Continue the Burst
Continue the Burst
X
Device Deselect
Rev 1.2 / Jun. 2008
19
HYNIX [ HYNIX SEMICONDUCTOR ]
