參數(shù)資料
型號: MB89123APFM
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 4.2 MHz, MICROCONTROLLER, PQFP48
封裝: PLASTIC, QFP-48
文件頁數(shù): 24/42頁
文件大?。?/td> 388K
代理商: MB89123APFM
MB89120/120A Series
30
(3) Clock Timings
(VSS
= 0.0 V, TA = 40 °C to +85 °C)
Parameter
Symbol
Pin
Value
Unit
Remarks
Min.
Typ.
Max.
Clock frequency
FCH
X0, X1
1
4.2
MHz
Main clock
FCL
X0A, X1A
32.768
kHz
Subclock
Clock cycle time
tHCYL
X0, X1
238
1000
ns
Main clock
tLCYL
X0A, X1A
30.5
s
Subclock
Input clock pulse width
PWH1
PWL1
X0
72
ns
External clock
Input clock rising/falling time
tCR1
tCF1
X0
24
ns
External clock
X0
tCR1
0.8 VCC
0.2 VCC
X0
X1
PWH1
PWL1
tHCYL
C0
C1
FCH
When a crystal
or
ceramic resonator is used
tCF1
Open
X0
X1
When an external clock is used
FCH
X0, X1 Timings and Conditions of Applied Voltage
Main Clock Conditions of Applied Voltage
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