W632GU6NB
Publication Release Date: Aug. 20, 2018
Revision: A01
- 41 -
TIME BREAK
DON'T CARE
CK#
CK
Command
PREA
MRS
READ
*1
NOP
NOP
NOP
NOP
NOP
NOP
NOP
MRS
T0
Ta
Tb0
Tc0
Tc1
Tc2
Tc3
Tc4
Tc5
Tc6
Tc7
BA
NOP
NOP
VALID
3
0
0
*2
1
0
*3
00
0
0
0
1
A[1:0]
A[2]
A[9:3]
A10/AP
A[11]
A12/BC#
DQS, DQS#
DQ
RL
VALID
*1
VALID
VALID
VALID
VALID
t
MPRR
t
MOD
Tc8
Tc9
Td
T10
VALID
VALID
VALID
VALID
VALID
*1
RL
0
*2
1
*4
READ
*1
3
VALID
0
00
0
0
0
NOTES:
1. RD with BC4 either by MRS or on the fly.
2. Memory Controller must drive 0 on A[1:0].
3. A[2]=0 selects lower 4 nibble bits 0....3.
4. A[2]=1 selects upper 4 nibble bits 4....7.
t
CCD
t
MOD
t
RP
Figure 19
– MPR Readout pre-defined pattern, BC4, lower nibble then upper nibble