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| PD488588 Datasheet, PDF (11/79 Pages) Elpida Memory – 288M bits Direct Rambus DRAM | |||
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µPD488588
Figure 2-1 Packet Formats
T0
T1
T2
T3
CTM/CFM
T8
T9
T10
T11
CTM/CFM
ROW2 DR4T DR2 BR0 BR3 RsvR R8 R5 R2
ROW1 DR4F DR1 BR1 BR4 RsvR R7 R4 R1
ROW0 DR3 DR0 BR2 RsvB AV=1 R6 R3 R0
ROW2 DR4T DR2 BR0 BR3 ROP10ROP8ROP5ROP2
ROW1 DR4F DR1 BR1 BR4 ROP9ROP7ROP4ROP1
ROW0 DR3 DR0 BR2 RsvB AV=0 ROP6ROP3ROP0
ROWA Packet
T0
T1
T2
T3
CTM/CFM
COL4 DC4 S=1
COL3 DC3
COL2 DC2 COP1
COL1 DC1 COP0
COL0 DC0 COP2
C6 C4
C5 C3
RsvB BC2 C2
BC4 BC1 C1
COP3 BC3 BC0 C0
COLC Packet
T8
T9
T10
T11
CTM/CFM
ROWR Packet
T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 T10 T11T12 T13 T14 T15
CTM/CFM
ROW2
..ROW0
COL4
..COL0
ACT a0
PRER c0
WR b1
tPACKET
MSK (b1) PREX d0
DQA8..0
DQB8..0
T12
T13
T14
T15
CTM/CFM
COL4
COL3
COL2
COL1
COL0
Note1
S=1 MA7 MA5 MA3 MA1
M=1 MA6 MA4 MA2 MA0
MB7 MB4 MB1
MB6 MB3 MB0
MB5 MB2
COL4
COL3
COL2
COL1
COL0
Note2
S=1 DX4 XOP4 RsvB BX1
M=0 DX3 XOP3 BX4 BX0
DX2 XOP2 BX3
DX1 XOP1 BX2
DX0 XOP0
COLM Packet
COLX Packet
Notes 1. The COLM is associated with a previous COLC, and is aligned with the present COLC, indicated
by the Start bit (S=1) position.
2. The COLX is aligned with the present COLC, indicates by the Start bit (S=1) position.
Data Sheet E0039N30 (Ver. 3.0)
11
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