參數(shù)資料
型號: MB91F155A
廠商: Fujitsu Limited
英文描述: 32-bit Proprietary Microcontrollers
中文描述: 32位微控制器專有
文件頁數(shù): 85/105頁
文件大小: 989K
代理商: MB91F155A
MB91F155A/MB91155/MB91154
85
5.
AC Characteristics
(1) Clock Timing Ratings
(V
CC
=
3.15 V to 3.6 V, V
SS
=
AV
SS
=
0 V, T
A
=
0
°
C to
+
70
°
C)
Value
Min
Max
*1 : The target analog section is the A/D.
*2 : The maximum external bus operating frequency allowed is 25 MHz.
*3 : The value when a minimum clock frequency of 10 MHz is input to X0 and half a division of the oscillator circuit
and the 1/8 gear are in use.
Parameter
Sym-
bol
Pin
name
Condition
Unit
Remarks
Clock frequency
(High speed and self
oscillation)
f
C
X0, X1
10
16.5
MHz
Range in which self
oscillation is allowed
Clock frequency
(High speed and PLL in use)
Range in which self
oscillation and the
use of the PLL for
external clock input
are allowed
Range in which
external clocks can
be input
Self oscillation and
external clocks
Clock frequency
(High speed an 1/2 division
input)
Clock frequency
(For calendar macro)
Clock cycle time
10
18
MHz
f
CA
X0A,
X1A
X0, X1
32
kHz
t
C
55.6
25
15
100
ns
Clock pulse width
P
WH
P
WL
t
cr
t
cf
X0, X1
Input clock rising
Input clock falling
X0, X1
8
(t
cr
+ t
cf
)
Internal
operating clock
frequency
CPU
system
Bus
system
f
CP
One wait is
set with the
wait
controller.
0.625*
3
33
MHz
f
CPB
0.625*
3
25*
2
Peripheral
system
f
CPP
0.625*
3
33
Analog section
excluded. *
1
Analog section *
1
1
33
Internal operat-
ing clock cycle
time
CPU
system
Bus
system
t
CP
30.3
1600*
3
ns
t
CPB
40*
2
1600*
3
Peripheral
system
t
CPP
30.3
1600*
3
Analog section
excluded. *
1
section *
1
30.3
1000
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