GS4576C09/18/36L
Mode Register Definition in Multiplexed Address Mode
Ax
Ay
A18...A10
A18...A10
A9 A8
A5 A4 A3
A0
A9 A8
A4 A3
18–10
9
8
7
6
5
4
3
2
1
0
Mode Register (Mx)
1
5
Reserved
ODT IM DLL NA AM
BL
Config
M2 M1 M0
Configuration
On Die
M9
Termination
2
0
0
0
1 (default)
0
1
Off (default)
On
2
0
0
0
1
0
1
1
0
1
0
1
0
1
2
3
M8
Drive Impedance
M7
DLL Reset
2
4
3
0
1
Internal 50 (default)
4
0
1
DLL reset (default)
1
1
1
0
1
1
1
0
1
5
External (ZQ)
DLL enabled
Reserved
Reserved
M5
0
Address MUX
Nonmulitplexed (default)
Multiplexed
Burst
Length
M4
M3
0
0
1
1
0
1
0
1
2 (default)
1
4
8
Reserved
Notes:
1. A10–A18 must be set to zero.
2. BL = 8 is not available.
3. +/–30% over rated temperature range.
4. DLL RESET turns the DLL off.
5. Ay8 not used in MRS.
6. BA0–BA2 are “Don’t Care”.
7. Addresses A0, A3, A4, A5, A8, and A9 must be set as shown in order to activate the Mode Register in the Multiplexed Address mode.
Rev: 1.04 11/2013
31/62
© 2011, GSI Technology
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
GSI [ GSI TECHNOLOGY ]
