参数资料
型号: S9S08SC4E0VTG
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: MICROCONTROLLER, PDSO16
封装: 0.65 MM PITCH, ROHS COMPLIANT, TSSOP-16
文件页数: 9/31页
文件大小: 765K
代理商: S9S08SC4E0VTG
Chapter 3 Electrical Characteristics
MC9S08SC4 MCU Series Data Sheet, Rev. 4
Freescale Semiconductor
17
Table 3-8. Oscillator Electrical Specifications (Temperature Range = –40 to 125
°C Ambient)
Num
C
Rating
Symbol
Min
Typ1
1 Typical data was characterized at 5.0 V, 25
°C or is recommended value.
Max
Unit
1C
Oscillator crystal or resonator (EREFS = 1, ERCLKEN = 1)
Low range (RANGE = 0)
flo
32
38.4
kHz
High range (RANGE = 1) FEE or FBE mode 2
2 The input clock source must be divided using RDIV to within the range of 31.25 kHz to 39.0625 kHz.
fhi
1—5
MHz
High range (RANGE = 1, HGO = 1) FBELP mode
fhi-hgo
1—
16
MHz
High range (RANGE = 1, HGO = 0) FBELP mode
fhi-lp
1—8
MHz
2—
Load capacitors
C1, C2
See crystal or resonator
manufacturer’s recommendation
3—
Feedback resistor
RF
M
Ω
Low range (32 kHz to 100 kHz)
10
High range (1 MHz to 16 MHz)
1
4—
Series resistor
RS
k
Ω
Low range, low gain (RANGE = 0, HGO = 0)
0
Low range, high gain (RANGE = 0, HGO = 1)
100
High range, low gain (RANGE = 1, HGO = 0)
0
High range, high gain (RANGE = 1, HGO = 1)
≥ 8 MHz
0
4 MHz
0
10
1 MHz
0
20
5T
Crystal start-up time 3
3 This parameter is characterized and not tested on each device. Proper PC board layout procedures must be followed to achieve
specifications. This data will vary based upon the crystal manufacturer and board design. The crystal should be characterized
by the crystal manufacturer.
ms
Low range, low gain (RANGE = 0, HGO = 0)
t
CSTL-LP
200
Low range, high gain (RANGE = 0, HGO = 1)
t
CSTL-HGO
400
High range, low gain (RANGE = 1, HGO = 0)4
4 4 MHz crystal.
t
CSTH-LP
—5—
High range, high gain (RANGE = 1, HGO = 1)4
t
CSTH-HGO
—15—
6T
Square wave input clock frequency (EREFS = 0, ERCLKEN = 1)
fextal
FEE or FBE mode 2
0.03125
5
MHz
FBELP mode
0
40
MHz
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