參數(shù)資料
型號(hào): MB90867ASPF
廠商: FUJITSU LTD
元件分類(lèi): 微控制器/微處理器
英文描述: 16-bit general-purpose microcontroller
中文描述: 16-BIT, MROM, 24 MHz, MICROCONTROLLER, PQFP100
封裝: PLASTIC, QFP-100
文件頁(yè)數(shù): 42/62頁(yè)
文件大?。?/td> 412K
代理商: MB90867ASPF
MB90860A Series
42
4.
AC Characteristics
(1) Clock Timing
(T
A
=
40
°
C to
+
105
°
C, V
CC
=
5.0 V
±
10
%
, V
SS
=
AV
SS
=
0 V)
Value
Unit
Min
Typ
Max
* : Whem 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 machine clock frequency”.
Parameter
Symbol
Pin
Remarks
Clock frequency
f
C
X0, X1
3
16
MHz
When using an oscillation
circuit
X0
3
24
MHz
When using an external
clock*
f
CL
X0A, X1A
32.768
100
kHz
Clock cycle time
t
CYL
X0, X1
62.5
333
ns
When using an oscillation
circuit
X0
41.67
333
ns
When using an external
clock
t
CYLL
X0A, X1A
10
30.5
15.2
8.192
122.1
5
μ
s
ns
μ
s
ns
Input clock pulse width
P
WH
, P
WL
X0
10
Duty ratio is about 30
%
to
70
%
.
P
WHL
, P
WLL
X0A
5
1.5
Input clock rise and fall time
t
CR
, t
CF
X0
When using external clock
Internal operating clock
frequency (machine clock)
f
CP
24
MHz
When using main clock
f
CPL
50
kHz
When using sub clock
Internal operating clock
cycle time (machine clock)
t
CP
41.67
666
ns
μ
s
When using main clock
t
CPL
20
When using sub clock
X0
t
CYL
t
CF
t
CR
0.8 V
CC
0.2 V
CC
P
WH
P
WL
X0A
t
CYLL
t
CF
t
CR
0.8 V
CC
0.2 V
CC
P
WHL
P
WLL
Clock Timing
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