參數(shù)資料
型號: MB90803PF
廠商: FUJITSU LTD
元件分類: 微控制器/微處理器
英文描述: 16-bit Proprietary Microcontroller CMOS
中文描述: 16-BIT, MROM, 25 MHz, MICROCONTROLLER, PQFP100
封裝: 0.65 MM PITCH, PLASTIC, QFP-100
文件頁數(shù): 73/88頁
文件大?。?/td> 385K
代理商: MB90803PF
MB90800 Series
73
4.
(1) Clock timing
AC Characteristics
(V
CC
=
AV
CC
=
3.3 V
±
0.3 V, Ta
=
40
to
+
85
°
C)
Value
Unit
Typ
Max
External crystal
oscillation
25
At external clock*
25
Multiply by 1
12.5
Multiply by 2
8.33
Multiply by 3
6.25
Multiply by 4
32.768
kHz
333
ns
30.5
μ
s
The Clock timing is based on V
SS
=
AV
SS
=
0.0 V.
* : When selecting the PLL clock, the range of clock frequency is limited. Use this product within range as mentioned
in “Base oscillator frequency vs. Internal operating clock frequency”.
Parameter
Sym
bol
Pin name
Condi-
tions
Remarks
Min
Clock frequency
f
CH
X0, X1
3
16
MHz
f
CH
X0, X1
3
MHz
4.5
4
4
4
40
f
CL
t
HCYL
t
LCYL
P
WH
P
WL
P
WLH
P
WLL
tcr
tcf
X0A, X1A
X0, X1
X0A, X1A
Clock cycle time
Input clock pulse width
X0
5
ns
Set Duty ratio 50
%
±
3
%
X0A
15.2
μ
s
Set duty ratio at 30
%
to
70
%
as a guideline.
Input clock rise time and
fall time
X0
5
ns
At external clock
Internal operating clock
frequency
f
CP
1.5
25
MHz
When main clock is
used
kHz When sub clock is used
When main clock is
used
μ
s
When sub clock is used
f
CP1
8.192
Internal operating clock
cycle time
t
CP
40
666
ns
t
CP1
122.1
0.8 V
CC
0.2 V
CC
t
cf
t
cr
t
C
P
WH
P
WL
X0, X1 clock timing
0.8 V
CC
0.2 V
CC
t
cf
t
cr
t
CL
P
WLH
P
WLL
X0A, X1A clock timing
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