參數(shù)資料
型號: MB90F897YPMT
廠商: FUJITSU LTD
元件分類: 微控制器/微處理器
英文描述: 16-BIT, FLASH, 16 MHz, MICROCONTROLLER, PQFP48
封裝: 0.50 MM PITCH, PLASTIC, LQFP-48
文件頁數(shù): 27/52頁
文件大?。?/td> 1370K
代理商: MB90F897YPMT
MB90895 Series
DS07-13731-5E
33
4.
AC Characteristics
(1) Clock timing
(VCC
= 5.0 V±10%, VSS = AVSS = 0.0 V, TA = 40 °C to +125 °C/+150 °C (only MB90F897Y/YS))
Parameter
Symbol
Pin name
Value
Unit
Remarks
Min
Typ
Max
Clock frequency
fC
X0, X1
3—
8
MHz
When crystal or ceramic
resonator is used
3
16
MHz External clock
4
16
MHz PLL multiplied by 1
4
8
MHz PLL multiplied by 2
4
5.33
MHz PLL multiplied by 3
4
4
MHz PLL multiplied by 4
fCL
X0A, X1A
32.768
kHz
MB90F897/Y only
Clock cycle time
tHCYL
X0, X1
125
333
ns
tLCYL
X0A, X1A
30.5
μs
MB90F897/Y only
Input clock pulse width
PWH, PWL
X0
10
ns
Set duty factor at 30% to 70%
as a guideline.
PWLH,PWLL
X0A
15.2
μs
MB90F897/Y only
Input clock rise time and
fall time
tCR, tCF
X0
5
ns
When external clock is used
Internal operation clock
frequency
fCP
1.5
16
MHz When main clock is used
fLCP
8.192
kHz
When sub clock is used,
MB90F897/Y only
Internal operation clock
cycle time
tCP
62.5
666
ns
When main clock is used
tLCP
122.1
μs
When sub clock is used,
MB90F897/Y only
X0
tHCYL
tCF
tCR
0.8 VCC
0.2 VCC
PWH
PWL
X0A
tLCYL
tCF
tCR
0.8 VCC
0.2 VCC
PWLH
PWLL
Clock timing
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