EMD12164P Emlsi Inc., EMD12164P Datasheet - Page 15

• Manufacturer Part Number: EMD12164P
• Description: 512m 32m X 16 Mobile Ddr Sdram
• Manufacturer: Emlsi Inc.

Table 12: MODE REGISTER FIELD TABLE TO PROGRAM MODES
Register Programmed with Normal MRS
NOTE :
1. RFU(Reserved for future use) should stay “0” during MRS cycle.
Table 13: Normal MRS Mode
NOTE :
1. MRS can be issued only at all bank precharge state.
2. Minimum tRP is required to issue MRS command.
A8
Mode Register Set
0
0
1
1
Address
-
-
-
-
Command
Function
A7
Operating Mode
0
1
0
1
-
-
-
-
CKB
CK
Mode Register Set
"0" Setting for
Normal MRS
BA0 ~ BA1
Reserved
Reserved
Reserved
0
Type
t
-
-
-
-
CK
Precharge
All Banks
1
A12 ~ A10/AP
A6
0
0
0
0
1
1
1
1
RFU
A5
0
0
1
1
0
0
1
1
CAS Latency
2
*1
t
RP
*2
A4
0
1
0
1
0
1
0
1
A9
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
3
Latency
Operating
A8
2
3
Mode
15
Register Set
*1
Mode
A7
4
BA1
A3
0
1
0
2 Clock min.
A6
Mode Select
Burst Type
CAS Latency
BA0
0
Sequential
Interleave
512M: 32M x 16 Mobile DDR SDRAM
5
A5
Type
for Nor-
Setting
Mode
MRS
mal
Command
A4
Any
6
A3
BT
A2
0
0
0
0
1
1
1
1
EMD12164P
A1
A2
0
0
1
1
0
0
1
1
Burst Length
Preliminary
7
Burst Length
A0
0
1
0
1
0
1
0
1
A1
Rev 0.0
Reserved
Reserved
Reserved
Reserved
Reserved
8
DDR
2
4
8
A0