参数资料
型号: MB90F498GPFM
元件分类: 微控制器/微处理器
英文描述: 16-BIT, FLASH, 16 MHz, MICROCONTROLLER, PQFP64
封装: PLASTIC, LQFP-64
文件页数: 64/90页
文件大小: 849K
代理商: MB90F498GPFM
MB90495G Series
67
4.
AC Characteristics
(1) Clock Timing
(VCC
= 5.0 V ± 10%, VSS = AVSS = 0.0 V, TA = 40 °C to +105 °C)
* : The frequency fluctuation rate shows the maximum fluctuation ratio from the configured central frequency during
PLL-use multiplication lock.
Parameter
Symbol
Pin Name
Value
Unit
Remarks
Min
Typ
Max
Clock frequency
fC
X0, X1
3
16
MHz
fCL
X0A, X1A
32.768
kHz
Clock Cycle Time
tHCYL
X0, X1
62.5
333
ns
tLCYL
X0A, X1A
30.5
s
Frequency fluctuation
rate lock time*
f
5
%
Input clock pulse width
PWH, PWL
X0
10
ns
Duty ratio should be around
30 to 70
%
PWLH, PWLL
X0A
15.2
s
Input clock rising/falling
time
tCR, tCF
X0
5
ns
When external clock used
Internal operation clock
frequency
fCP
1.5
16
MHz
When oscillation circuit used
fLCP
8.192
kHz
When subclock used
Internal operation clock
cycle time
tCP
62.5
666
ns
When using oscillation circuit
tLCP
122.1
s
When subclock used
α
fo
α
f =
× 100%
Center frequency
X0
tHCYL
tCF
tCR
0.8 VCC
0.2 VCC
PWH
PWL
X0A
tLCYL
tCF
tCR
0.8 VCC
0.2 VCC
PWLH
PWLL
X0/X1 Clock Timing
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