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MB86294 Datasheet, PDF (277/305 Pages) Fujitsu Component Limited. – Grraphiics Controller specifications
FUJITSU LIMITED
PRELIMINARY and CONFIDENTIAL
12.2.6 Delay between ACTV commands
MCLKO
MRAS
TRRD
MCAS
MWE
MA
ROW
ROW
ROW: Row Address
TRRD: RAS to RAS Bank Active Delay Time
Fig.10.24 Delay between ACTV Commands
The ACTV command is issued from CORAL to the row address of SDRAM after the elapse of TRRD
after issuance of the previous ACTV command.
12.2.7 Delay between Refresh command and next ACTV command
MCLKO
MRAS
TRC
MCAS
MWE
MA
ROW: Row Address
TRC: RAS Cycle Time
ROW
Fig. 10.25 Delay between Refresh Command and Next ACTV Command
The ACTV command is issued after the elapse of TRC after issuance of the Refresh command.
MB86294/294S CORAL_LB
Graphics Controller
277
Specifications Rev. 1.0