MB86296 Datasheet, PDF (319/352 Pages) Fujitsu Component Limited. – PCI Graphics Controller Specification

FUJITSU LIMITED PRELIMINARY AND CONFIDENTIAL
14.3.3 Timing of write access to same row address
MCLKO
MRAS
TRCD
MCAS
MWE
MA
ROW
MD
DQM
COL COL COL COL
DATA DATA DATA DATA
ROW: Row Address
COL: Column Address
DATA: READ DATA
TRCD: RAS to CAS Delay Time
Fig. 11.5 Timing of Write Access to Same Row Address
The above timing diagram shows that write access is made form times form CORAL to the same
row address of SDRAM.
The ACTV command is issued, and then after the elapse of TRCD, the WRITE command is issued
to write to SDRAM.
MB86296S <Coral-PA>
309
Specification Manual Rev0.1