參數(shù)資料
型號(hào): MB89PV680CF
元件分類: 微控制器/微處理器
英文描述: 8-BIT, 8 MHz, MICROCONTROLLER, CQFP100
封裝: CERAMIC, MQFP-100
文件頁數(shù): 21/43頁
文件大?。?/td> 697K
代理商: MB89PV680CF
28
MB89680 Series
(3) Clock Timing
(AVSS = VSS = 0.0 V, TA = –40
°C to +85°C)
*1: duty = PWH/tHCYL
*2: duty1= PWHL/tHCYL
Parameter
Symbol
Pin
name
Condition
Value
Unit
Remarks
Min.
Typ.
Max.
Input clock frequency
FCH
X0, X1
1
8
MHz
Main clock
FCL
X0A,
X1A
32.768
—kHz
Subclock
Clock cycle time
tHCYL
X0, X1
125
1000
ns
Main clock
tLCYL
X0A,
X1A
—30.5
s
Subclock
Input clock duty rate
duty*1
X0
30
70
%
External clock
duty1*2
X1
30
70
%
Input clock rising/falling
time
tCR1
X0
24
ns
tCF1
X0
24
ns
tCR2
X0A
200
ns
tCF2
X0A
200
ns
X0
C1
C0
FCH
X1
When a crystal
or
ceramic resonator is used
X0
X1
When an external clock is used
Open
0.8 VCC
X0
0.8 VCC
0.2 VCC
tCR
tCF
0.8 VCC
0.2 VCC
PWH
PWL
tHCYL
Main clock timing conditions
Main clock configurations
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