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MB91151A Datasheet, PDF (86/94 Pages) Fujitsu Component Limited. – 32-bit Proprietary Microcontrollers
MB91151A
(10) DMA Controller Timing
(VCC = 3.15 V to 3.6 V, VSS = AVSS = 0 V, TA = 0 °C to +70 °C)
Parameter
Symbol
Pin name
Condition
Value
Min
Max
Unit Remarks
DREQ input pulse width
tDRWH DREQ0 to DREQ2
2 tCYC

ns
DACK delay time
(typical bus)
(typical DRAM)
tCLDL
tCLDH
CLK
DACK0 to DACK2

6
ns

6
ns
DEOP delay time
(typical bus)
(typical DRAM)
tCLEL
CLK

6
ns
tCLEH DEOP0 to DEOP2


6
ns
DACK delay time
(Single Dram)
(Hyper Dram)
tCHDL
tCHDH
CLK
DACK0 to DACK2

n / 2 × tCYC ns

6
ns
DEOP delay time
(Single Dram)
(Hyper Dram)
tCHEL
tCHEH
CLK
DEOP0 to DEOP2

n / 2 × tCYC ns

6
ns
VOH
CLK
DACK0 to DACK2
DEOP0 to DEOP2
(Typical bus)
(Typical DRAM)
DACK0 to DACK2
DEOP0 to DEOP2
( Single DRAM )
( Hyper DRAM )
VIH
DREQ0 to
DREQ2
tcyc
VOL
VOH
tCLDL
tCLEL
VOL
VOL
tCLDH
tCLEH
VOH
tCHDL
tCHEL
VOL
tCHDH
VOH
tDRWH
VIH
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