W641GG2JB Datasheet, PDF (46/109 Pages) Winbond – 1-Gbit GDDR3 Graphics SDRAM

W641GG2JB
6.7.1 Extended Mode Register Set Command
CLK#
CLK
CKE
CS#
RAS#
CAS#
WE#
A0-A11
BA0
BA1
BA2
(High)
COD
1
0
Mode
1-Gbit GDDR3 Graphics SDRAM
COD: Code to be loaded
into the register.
= Don't Care
6.7.2 Extended Mode Register 1 (EMRS1)
The Extended Mode Register 1 controls operating modes such as output driver impedance, data termination, address/command
termination, DLL on/off, Write recovery and Vendor ID as shown in Figure. It also selects between 1-CS mode and 2-CS mode
configuration. The register is programmed via the MODE REGISTER SET command with BA0=1, BA1=0 and BA2 set to the
desired configuration.
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Publication Release Date: Apr, 22, 2011
Revision A01-002