参数资料
型号: MB86291A
厂商: Fujitsu Limited
英文描述: Graphics Display Controller
中文描述: 图形显示控制器
文件页数: 15/25页
文件大小: 243K
代理商: MB86291A
MB86291A
15
(1) Host Interface
Clock signals
Host interface signals
(External load of 20 pF)
*1 : Hold time for reset cancellation
*2 : Read data is output one cycle before the CPU samples it.
Parameter
Symbol
Condi-
tion
Value
Unit
Min
1
Typ
Max
BCLKI frequency
f
BCLKI
100
MHz
BCLKI H period
t
HBCLKI
ns
BCLKI L period
t
LBCLKI
1
ns
Parameter
Symbol
Condi-
tion
Value
Unit
Min
Typ
Max
11.0
Address setup time
t
ADS
*2
*1
4
ns
Address hold time
t
ADH
0
ns
BS setup time
t
BSS
3
ns
BS hold time
t
BSH
0
ns
CS setup time
t
CSS
3
ns
CS hold time
t
CSH
0
ns
RD setup time
t
RDS
3
ns
RD hold time
t
RDH
0
ns
WE setup time
t
WES
5
ns
WE hold time
t
WEH
1
ns
Write data setup time
t
WDS
3
ns
Write data hold time
t
WDH
0
ns
DTACK setup time
t
DAKS
3
ns
DTACK hold time
t
DAKH
0
ns
DRACK setup time
t
DRKS
3
ns
DRACK hold time
t
DRKH
0
ns
Read data delay time (to RD)
t
RDDZ
3.0
ns
Read data delay time
t
RDD
4.5
10.5
ns
RDY delay time (to CS)
t
RDYDZ
2.5
5.0
ns
RDY delay time
t
RDYD
2.5
6.0
ns
INT delay time
t
INTD
3.0
6.5
ns
DREQ delay time
t
DRQD
2.5
6.0
ns
MODE hold time
t
MODH
20.0
ns
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