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參數(shù)資料
| 型號： | S3C9442 |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | SAM88RCRI family of 8-bit single-chip CMOS microcontrollers |
| 中文描述： | SAM88RCRI家庭的8位單芯片CMOS微控制器 |
| 文件頁數(shù)： | 14/26頁 |
| 文件大?。?/td> | 167K |
| 代理商： | S3C9442 |
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S3C9442/C9444/F9444/C9452/C9454/F9454
ELECTRICAL DATA
13-5
Table 13-4. Oscillator Characteristics
(T
A
= – 40
°
C to + 85
°
C)
Oscillator
Main crystal or
ceramic
Clock Circuit
Test Condition
V
DD
= 4.5 to 5.5 V
Min
1
Typ
–
Max
10
Unit
MHz
X
IN
X
OUT
C1
C2
V
DD
= 2.7 to 4.5 V
V
DD
= 2.0 to 2.7 V
V
DD
= 4.5 to 5.5 V
1
–
6
MHz
1
–
3
MHz
External clock
(Main System)
X
IN
X
OUT
1
–
10
MHz
V
DD
= 2.7 to 4.5 V
V
DD
= 2.0 to 2.7 V
V
DD
= 4.75 to 5.25 V
Tolerance:10 %
V
DD
= 4.75 to 5.25 V
1
–
6
MHz
1
–
3
MHz
External RC
oscillator
–
–
4
–
MHz
Internal RC
3.2
Oscillator
0.5
Table 13-5. Oscillation Stabilization Time
(T
A
= - 40
°
C to + 85
°
C, V
DD
= 3.0 V to 5.5 V)
Oscillator
Main crystal
Min
–
Typ
–
Max
20
Unit
ms
f
OSC
> 1.0 MHz
Oscillation stabilization occurs when V
DD
is
equal to the minimum oscillator voltage range.
X
IN
input high and low width (t
XH
, t
XL
)
Main ceramic
–
–
10
ms
External clock
(main system)
Oscillator
stabilization
wait time
25
–
500
ns
t
WAIT
when released by a reset
(1)
–
2
16
/f
OSC
–
ms
t
WAIT
when released by an interrupt
(2)
–
–
–
ms
NOTES:
1.
2.
f
OSC
is the oscillator frequency.
The duration of the oscillator stabilization wait time, t
WAIT
, when it is released by an interrupt is determined by the
settings in the basic timer control register, BTCON.
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