參數(shù)資料
型號(hào): MB90V540
廠商: Fujitsu Limited
英文描述: 16-bit Proprietary Microcontroller
中文描述: 16位微控制器專有
文件頁(yè)數(shù): 38/56頁(yè)
文件大?。?/td> 757K
代理商: MB90V540
MB90540/545 Series
38
4.
AC Characteristics
(1) Clock Timing
(V
CC
=
5.0 V
±
10%, V
SS
=
AV
SS
=
0 V, T
A
=
40
°
C to
+
85
°
C)
Value
Units
Min.
Typ.
Max.
* : Frequency deviation indicates the maximum frequency difference from the target frequency when using a
multiplied clock.
Parameter
Symbol
Pin
Remarks
Oscillation frequency
f
C
X0, X1
3
16
MHz
f
CL
X0A, X1A
32.768
kHz
Oscillation cycle time
t
CYL
X0, X1
62.5
333
ns
μ
s
t
LCYL
X0A, X1A
30.5
Frequency deviation with
PLL *
f
5
%
Input clock pulse width
P
WH
, P
WL
X0
10
ns
μ
s
Duty ratio is about 30 to 70%.
P
WLH
,P
WLL
X0A
15.2
Input clock rise and fall
time
t
CR
, t
CF
X0
5
ns
When using external clock
Machine clock frequency
f
CP
1.5
16
MHz When using main clock
f
LCP
8.192
kHz
When using sub-clock
Machine clock cycle time
t
CP
62.5
666
ns
μ
s
When using main clock
t
LCP
122.1
When using sub-clock
Central frequency f
O
α
f
fo
------
100%
×
=
t
CYL
P
WH
t
CF
P
WL
t
CR
0.8 V
CC
0.2 V
CC
X0
t
LCYL
P
WLH
t
CF
P
WLL
t
CR
0.8 V
CC
0.2 V
CC
X0A
Clock Timing
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