參數(shù)資料
型號(hào): MB90F385
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): 63/82頁(yè)
文件大?。?/td> 359K
代理商: MB90F385
MB90385 Series
63
4.
AC Characteristics
(1) Clock timing
(V
CC
=
5.0 V
±
10%, V
SS
=
AV
SS
=
0.0 V, T
A
=
40
°
C to
+
105
°
C)
Value
Unit
Min
Typ
Max
*1 : Internal operation clock frequency should not exceed 16 MHz.
*2 : When selecting the PLL clock, the range of clock frequency is limitted. Use this product within range as mentioned
in “Relation among external clock frequency and internal clock frequency”.
Parameter
Symbol
Pin name
Remarks
Clock frequency
f
C
X0, X1
3
8
MHz
When crystal or ceramic
resonator is used*
2
3
16
MHz External clock *
1,
*
2
f
CL
X0A, X1A
32.768
kHz
Clock cycle time
t
HCYL
X0, X1
125
333
ns
μ
s
t
LCYL
X0A, X1A
30.5
Input clock pulse width
P
WH
, P
WL
X0
10
ns
Set duty factor at 30% to
70% as a guideline.
P
WLH
,P
WLL
X0A
15.2
μ
s
Input clock rise time and fall
time
t
CR
, t
CF
X0
5
ns
When external clock is
used
Internal operation clock
frequency
f
CP
1.5
16
MHz When main clock is used
f
LCP
8.192
kHz
When sub clock is used
Internal operation clock cycle
time
t
CP
62.5
666
ns
μ
s
When main clock is used
t
LCP
122.1
When sub clock is used
X0
t
HCYL
t
CF
t
CR
0.8 V
CC
0.2 V
CC
P
WH
P
WL
X0A
t
LCYL
t
CF
t
CR
0.8 V
CC
0.2 V
CC
P
WLH
P
WLL
Clock timing
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