mb91101 Fujitsu Microelectronics, Inc., mb91101 Datasheet - Page 70

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

70
MB91101/MB91101A
t
*1: t
*2: Rating at a gear cycle of
*3: Rating at a gear cycle of
(2) Clock Output Timing
CP
Cycle time
CLK
CLK
, t
Use the doubler when CPU frequency is above 25 MHz.
When a gear cycle of 1/2, 1/4, 1/8 is selected, substitute “n” in the following equations with 1/2, 1/4, 1/8,
respectively.
Select a gear cycle of
When a gear cycle of 1/2, 1/4, 1/8 is selected, substitute “n” in the following equations with 1/2, 1/4, 1/8,
respectively.
Select a gear cycle of
CYC
CPB
Min : n/2
Max : n/2
Min : (1 – n/2)
Max : (1 – n/2)
Parameter
is a frequency for 1 clock cycle including a gear cycle.
(internal operating clock cycle time): Refer to “(1) Clock Timing Rating.”
CLK
CLK
CLK
t
t
CYC
CYC
– 10
+ 10
t
t
CYC
CYC
Symbol Pin name
1 when using the doubler.
1 when using the doubler.
t
t
– 10
+ 10
t
t
CHCL
CLCH
CYC
CYC
1.
1.
V
CLK
CLK
CLK
CLK
OH
(V
CC
t
CHCL
5 = V
Condition
Using the
doubler
(V
CC
CC
3 = 2.7 V to 3.6 V, V
—
—
t
CYC
5 = 5.0 V 10%, V
V
OL
t
1/2
1/2
CLCH
Min
t
t
t
t
CPB
CYC
CYC
CP
– 10 1/2
– 10 1/2
SS
SS
V
Value
OH
= AV
= AV
SS
SS
= 0.0 V, T
= 0.0 V, T
Max
t
t
—
—
CYC
CYC
+ 10
+ 10
A
A
= –40 C to +70 C)
= –40 C to +70 C)
Unit
ns
ns
ns
ns
*1
*2
*3
Remarks