參數(shù)資料
型號: MB90548PFF
廠商: FUJITSU LTD
元件分類: 微控制器/微處理器
英文描述: 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP100
封裝: PLASTIC, LQFP-100
文件頁數(shù): 30/73頁
文件大?。?/td> 1663K
代理商: MB90548PFF
MB90540/545 Series
36
4.
AC Characteristics
(1) Clock Timing
(VCC
= 5.0 V±10%, VSS = AVSS = 0 V, TA = 40 °C to +85 °C)
* : Frequency deviation indicates the maximum frequency difference from the target frequency when using a
multiplied clock.
Parameter
Symbol
Pin
Value
Units
Remarks
Min.
Typ.
Max.
Oscillation frequency
fC
X0, X1
3
16
MHz
fCL
X0A, X1A
32.768
kHz
Oscillation cycle time
tCYL
X0, X1
62.5
333
ns
tLCYL
X0A, X1A
30.5
s
Frequency deviation with
PLL *
f—
5
%
Input clock pulse width
PWH, PWL
X0
10
ns
Duty ratio is about 30 to 70%.
PWLH,PWLL
X0A
15.2
s
Input clock rise and fall
time
tCR, tCF
X0
5
ns
When using external clock
Machine clock frequency
fCP
1.5
16
MHz When using main clock
fLCP
8.192
kHz
When using sub-clock
Machine clock cycle time
tCP
62.5
666
ns
When using main clock
tLCP
122.1
s
When using sub-clock
Central frequency fO
α
f
α
fo
------
100%
×
=
tCYL
PWH
tCF
PWL
tCR
0.8 VCC
0.2 VCC
X0
tLCYL
PWLH
tCF
PWLL
tCR
0.8 VCC
0.2 VCC
X0A
Clock Timing
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