MB86291A Fujitsu Media Devices Limited, MB86291A Datasheet - Page 15

• Manufacturer Part Number: MB86291A
• Description: Graphics Display Controller
• Manufacturer: Fujitsu Media Devices Limited

*1 : Hold time for reset cancellation
*2 : Read data is output one cycle before the CPU samples it.
(1) Host Interface
BCLKI frequency
BCLKI H period
BCLKI L period
Address setup time
Address hold time
BS setup time
BS hold time
CS setup time
CS hold time
RD setup time
RD hold time
WE setup time
WE hold time
Write data setup time
Write data hold time
DTACK setup time
DTACK hold time
DRACK setup time
DRACK hold time
Read data delay time (to RD)
Read data delay time
RDY delay time (to CS)
RDY delay time
INT delay time
DREQ delay time
MODE hold time
Clock signals
Host interface signals
Parameter
Parameter
Symbol
t
t
f
HBCLKI
LBCLKI
BCLKI
Symbol
t
t
t
t
t
t
t
t
t
t
RDYDZ
t
t
t
t
t
t
t
t
t
t
t
t
t
DRQD
MODH
DAKS
DAKH
DRKS
DRKH
RDDZ
RDYD
WES
WEH
WDS
WDH
INTD
ADS
ADH
BSS
BSH
CSS
CSH
RDS
RDH
RDD
Condi-
tion
Condi-
tion
*2
*1
Min
1
1
Min
3.0
4.5
2.5
2.5
3.0
2.5
4
0
3
0
3
0
3
0
5
1
3
0
3
0
3
0
Value
Typ
Value
Typ
(External load of 20 pF)
MB86291A
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Max
100
Max
11.0
10.5
20.0
5.0
6.0
6.5
6.0
MHz
Unit
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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