參數(shù)資料
型號: MC9S08LL8CLF
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP48
封裝: 7 X 7 MM, 1.40 MM HEIGHT, ROHS COMPLIANT, MS-026BBC, LQFP-48
文件頁數(shù): 18/50頁
文件大?。?/td> 1137K
代理商: MC9S08LL8CLF
Electrical Characteristics
MC9S08LL16 Series MCU Data Sheet, Rev. 4
Freescale Semiconductor
25
3.8
External Oscillator (XOSCVLP) Characteristics
Refer to Figure 13 and Figure 14 for crystal or resonator circuits.
Table 11. XOSCVLP and ICS Specifications (Temperature Range = –40 to 85
°C Ambient)
Num
C
Characteristic
Symbol
Min
Typ1
1 Data in Typical column was characterized at 3.0 V, 25
°C or is typical recommended value.
Max
Unit
1C
Oscillator crystal or resonator (EREFS = 1, ERCLKEN = 1)
Low range (RANGE = 0)
High range (RANGE = 1), high gain (HGO = 1)
High range (RANGE = 1), low power (HGO = 0)
flo
fhi
32
1
38.4
16
8
kHz
MHz
2D
Load capacitors
Low range (RANGE=0), low power (HGO=0)
Other oscillator settings
C1,C2
See Note 2
See Note 3
2 Load capacitors (C
1,C2), feedback resistor (RF) and series resistor (RS) are incorporated internally when RANGE=HGO=0.
3 See crystal or resonator manufacturer’s recommendation.
3D
Feedback resistor
Low range, low power (RANGE=0, HGO=0)2
Low range, high gain (RANGE=0, HGO=1)
High range (RANGE=1, HGO=X)
RF
10
1
M
Ω
4D
Series resistor —
Low range, low power (RANGE = 0, HGO = 0)2
Low range, high gain (RANGE = 0, HGO = 1)
High range, low power (RANGE = 1, HGO = 0)
High range, high gain (RANGE = 1, HGO = 1)
≥ 8 MHz
4 MHz
1 MHz
RS
100
0
0
10
20
k
Ω
5C
Crystal start-up time 4
Low range, low power
Low range, high gain
High range, low power
High range, high gain
4 Proper PC board layout procedures must be followed to achieve specifications.
t
CSTL
t
CSTH
600
400
5
15
ms
6D
Square wave input clock frequency (EREFS = 0, ERCLKEN = 1)
FEE mode
FBE or FBELP mode
fextal
0.03125
0
20
MHz
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