參數(shù)資料
型號: S3C8444XX-TW
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 18 MHz, MICROCONTROLLER, PQFP80
封裝: 12 X 12 MM, TQFP-80
文件頁數(shù): 21/44頁
文件大?。?/td> 301K
代理商: S3C8444XX-TW
ELECTRICAL DATA
S3C8444
16–12
Table 16–9. Main Oscillator Frequency (fOSC1)
(TA = – 20°C + 85°C, VDD = 4.5 V to 6.0 V)
Oscillator
Clock Circuit
Test Condition
Min
Typ
Max
Unit
Crystal
C2
C1
XIN
XOUT
C2
C1
XIN
XOUT
CPU clock oscillation
frequency
1
18
MHz
Ceramic
C2
C1
XIN
XOUT
CPU clock oscillation
frequency
1
18
MHz
External clock
XIN
XOUT
a
XIN input frequency
1
18
MHz
Table 16–10. Recommended Oscillator Constants
(TA = – 20°C + 85°C, VDD = 4.5 V to 6.0 V)
Manufacturer
Product Name
Load Cap (pF)
Oscillator Voltage
Range (V)
Remarks
C1
C2
MIN
MAX
TDK
CCR20.0MS6
5
4.5
5.5
SMD Type
CCR24.0M6
5
4.5
5.5
SMD Type
CCR25.0M6
5
4.5
5.5
SMD Type
NOTE: On-chip C: 30pF
±20% built in.
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