參數(shù)資料
型號: MB90F378
廠商: Fujitsu Limited
英文描述: 16-bit Proprietary Microcontroller
中文描述: 16位微控制器專有
文件頁數(shù): 42/65頁
文件大?。?/td> 323K
代理商: MB90F378
MB90378 Series
42
4.
AC Characteristics
(1) Clock Timings
(V
CC
=
2.7 V to 3.6 V, AV
CC
=
2.7 V to 3.6 V, V
SS
=
AV
SS
=
0.0 V, T
A
=
40
°
C to
+
85
°
C)
Value
Parameter
Symbol Pin name Condition
Unit
Remarks
Min
Typ
Max
Clock frequency
f
CH
X0, X1
3
16
MHz
×
1/2
(
When PLL stops
)
When using an
oscillation circuit
PLL
×
1 When using an
oscillation circuit
PLL
×
2 When using an
oscillation circuit
PLL
×
3 When using an
oscillation circuit
PLL
×
4 When using an
oscillation circuit
×
1/2
(
When PLL stops
)
When using an external
clock
PLL
×
1 When using an
external clock
PLL
×
2 When using an
external clock
PLL
×
3 When using an
external clock
PLL
×
4 When using an
external clock
4
16
MHz
4
10
MHz
4
6.67
MHz
4
5
MHz
3
32
MHz
4
20
MHz
4
10
MHz
4
6.67
MHz
4
5
MHz
f
CL
X0A, X1A
32.768
30.5
333
kHz
Clock cycle time
t
HCYL
X0, X1
31.25
ns
μ
s
t
LCYL
X0A, X1A
Frequency
fluctuation rate
locked*
f
5
%
Input clock pulse
width
P
WH
P
WL
X0
5
ns
Recommend duty
ratio of 30% to 70%
P
WHL
P
WLL
X0A
15.2
μ
s
Recommend duty
ratio of 30% to 70%
Input clock rise/fall
time
t
CR
t
CF
X0
5
ns
External clock
operation
Internal operating
clock frequency
f
CP
1.5
50
20
666
MHz Main clock operation
f
LCP
8.192
122.1
kHz Sub-clock operation
Internal operating
clock cycle time
t
CP
ns
μ
s
Main clock operation
t
LCP
Sub-clock operation
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