參數(shù)資料
型號: MB90F927S
廠商: Fujitsu Limited
英文描述: 16-bit Microcontrolle
中文描述: 16位Microcontrolle
文件頁數(shù): 41/63頁
文件大?。?/td> 941K
代理商: MB90F927S
MB90925 Series
41
4.
AC Characteristics
(1) Clock timing
(V
CC
=
5.0 V
±
10
%
, V
SS
=
DV
SS
=
AV
SS
=
0.0 V, T
A
=
40
°
C to
+
105
°
C)
Value
Parameter
Symbol
Pin name
Condi-
tions
Unit
Remarks
Min
Typ
32.768
Max
Base oscillation
clock frequency
F
C
X0, X1
4
12
MHz 1/2 (when PLL stops)
4
12
MHz PLL x 1
4
8
MHz PLL x 2
4
5.33
MHz PLL x 3
4
4
MHz PLL x 4
F
LC
X0A, X1A
kHz
Base oscillation
clock cycle time
t
CYL
X0, X1
250
ns
μ
s
t
LCYL
X0A, X1A
30.5
Input clock pulse
width
P
WH
, P
WL
X0
10
ns
Use duty ratio of
40 to 60
%
as a guideline
P
WLH
, P
WLL
X0A
15.2
μ
s
Input clock
rise and fall time
tcr, tcf
X0, X0A
5
ns
external
clock signal
Internal operating
clock frequency
F
CP
2
16
MHzUsing main clock
(PLL clock)
F
LCP
8.192
kHz Using sub clock
Internal operating
clock cycle time
t
CP
62.5
500
ns
Using main clock
(PLL clock)
t
LCP
122.1
μ
s
Using sub clock
X0
tcf
tcr
0.8 V
CC
0.2 V
CC
P
WL
t
CYL
P
WH
X0A
t
LCYL
tcf
tcr
0.8 V
CC
0.2 V
CC
P
WLH
P
WLL
X0 clock timing
X0A clock timing
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