參數(shù)資料
型號： KS57C2504
廠商： SAMSUNG SEMICONDUCTOR CO. LTD.
元件分類： 4位微控制器
英文描述： 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER
中文描述： 4位單片機的小型通用紅外遙控器
文件頁數(shù)： 78/94頁
文件大?。?/td> 763K
代理商： KS57C2504
PRODUCT SPECIFICATION
S3C7254
4–78
Table 32. Main System Clock Oscillator Characteristics
(T
A
= – 40
°
C + 85
°
C, V
DD
= 2.7 V to 6.0 V)
Oscillator
Clock
Configuration
Parameter
Test Condition
Min
Typ
Max
Units
Ceramic
Oscillator
X
IN
X
OUT
C1
C2
Oscillation frequency
(1)
–
0.4
–
4.5
MHz
Stabilization time
(2)
Stabilization occurs
when V
DD
is equal to
the minimum
oscillator voltage
range.
–
–
–
4
ms
Crystal
Oscillator
C1
C2
X
IN
X
OUT
Oscillation frequency
(1)
0.4
4.19
4.5
MHz
Stabilization time
(2)
V
DD
= 4.5 V to 6.0 V
V
DD
= 2.7 V to 4.5 V
–
–
–
10
ms
–
–
30
External
Clock
X
IN
X
OUT
X
IN
input frequency
(1)
0.4
–
4.5
MHz
X
IN
input high and low
level width (t
XH
, t
XL
)
Frequency
–
111
–
1250
ns
RC
Oscillator
R
X
IN
X
OUT
V
DD
= 5 V
0.4
—
2
MHz
V
DD
= 3 V
0.4
—
1
NOTES:
1.
2.
Oscillation frequency and X
in
input
frequency data are for oscillator characteristics only.
Stabilization time is the interval time required for oscillating stabilization after a power-on occurs, or when stop mode is
terminated.
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