參數(shù)資料
型號: MB89W689CF
廠商: FUJITSU LTD
元件分類: 微控制器/微處理器
英文描述: 8-bit Proprietary Microcontroller
中文描述: 8-BIT, UVPROM, 8 MHz, MICROCONTROLLER, CQFP100
封裝: CERAMIC, QFP-100
文件頁數(shù): 28/43頁
文件大小: 697K
代理商: MB89W689CF
28
MB89680 Series
(3) Clock Timing
(AV
SS
= V
SS
= 0.0 V, T
A
= –40
°
C to +85
°
C)
Value
Unit
Typ.
Max.
*1: duty = P
WH
/t
HCYL
*2: duty1= P
WHL
/t
HCYL
Parameter
Symbol
Pin
name
Condition
Remarks
Min.
Input clock frequency
F
CH
X0, X1
1
8
MHz
Main clock
F
CL
X0A,
X1A
32.768
kHz
Subclock
Clock cycle time
t
HCYL
X0, X1
125
1000
ns
Main clock
t
LCYL
X0A,
X1A
30.5
μ
s
Subclock
Input clock duty rate
duty*
1
X0
30
70
%
External clock
duty1*
2
X1
30
70
%
Input clock rising/falling
time
t
CR1
X0
24
ns
t
CF1
X0
24
ns
t
CR2
X0A
200
ns
t
CF2
X0A
200
ns
X0
C
1
C
0
F
CH
F
CH
X1
When a crystal
or
ceramic resonator is used
X0
X1
When an external clock is used
Open
0.8 V
CC
X0
0.8 V
CC
0.2 V
CC
t
CR
t
CF
0.8 V
CC
0.2 V
CC
P
WH
P
WL
t
HCYL
Main clock timing conditions
Main clock configurations
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