mb91101 Fujitsu Microelectronics, Inc., mb91101 Datasheet - Page 91

• Manufacturer Part Number: mb91101
• Description: 32-bit Risc Microcontroller Cmos
• Manufacturer: Fujitsu Microelectronics, Inc.

(16) DMA Controller Timing
t
CYC
DREQ input pulse width t
DACK delay time
(Normal bus)
(Normal DRAM)
EOP delay time
(Normal bus)
(Normal DRAM)
DACK delay time
(Single DRAM)
(Hyper DRAM)
EOP delay time
(Single DRAM)
(Hyper DRAM)
(a cycle time of peripheral system clock): Refer to “(2) Clock Output Timing.”
DREQ0 to DREQ2
CLK
DACK0 to DACK2
EOP0 to EOP2
(Normal bus)
(Normal DRAM)
DACK0 to DACK2
EOP0 to EOP2
(Single DRAM)
(Hyper DRAM)
Parameter
t
t
t
t
t
t
t
t
Symbol
DRWH
CLDL
CLDH
CLEL
CLEH
CHDL
CHDH
CHEL
CHEH
V
V
OH
IH
t
t
CHDL
CHEL
DREQ0 to DREQ2
CLK,
DACK0 to DACK2
CLK,
DACK0 to DACK2
CLK,
EOP0 to EOP2
CLK,
EOP0 to EOP2
CLK,
DACK0 to DACK2
CLK,
DACK0 to DACK2
CLK,
EOP0 to EOP2
CLK,
EOP0 to EOP2
(V
t
Pin name
CYC
CC
V
OL
5 = V
V
V
OL
OL
t
t
(V
CC
CLDL
CLEL
CC
3 = 2.7 V to 3.6 V, V
t
DRWH
5 = 5.0 V 10%, V
Condition
V
OH
V
—
OH
t
CHDH
MB91101/MB91101A
2
SS
SS
Min
V
—
—
—
—
—
—
—
—
OL
= AV
= AV
t
CYC
V
OH
Value
t
t
CLDH
CLEH
SS
SS
n/2
n/2
= 0.0 V, T
= 0.0 V, T
Max
V
—
IH
6
6
6
6
6
6
t
t
CYC
CYC
A
A
Unit
= –40 C to +70 C)
= –40 C to +70 C)
ns
ns
ns
ns
ns
ns
ns
ns
ns
Remarks
91