参数资料
型号: ST7FL19F1MATRE
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PDSO20
封装: 0.300 INCH, LEAD FREE, PLASTIC, SOP-20
文件页数: 12/138页
文件大小: 2515K
代理商: ST7FL19F1MATRE
ST7L15, ST7L19
109/138
CLOCK AND TIMING CHARACTERISTICS (cont’d)
13.5.3 Crystal and Ceramic Resonator Oscillators
The ST7 internal clock can be supplied with ten
different Crystal/Ceramic resonator oscillators. All
the information given in this paragraph are based
on characterization results with specified typical
external components. In the application, the reso-
nator and the load capacitors must be placed as
close as possible to the oscillator pins in order to
minimize output distortion and start-up stabiliza-
tion time. Refer to the crystal/ceramic resonator
manufacturer for more details (frequency, pack-
age, accuracy...).
Notes:
1. When PLL is used, please refer to the PLL characteristics chapter and to “SUPPLY, RESET AND CLOCK MANAGE-
MENT” on page 21 chapter (fCrOSC min. is 8 MHz with PLL).
2. Resonator characteristics given by the ceramic resonator manufacturer. For more information on these resonators,
please consult www.murata.com
3. SMD = [-R0: Plastic tape package ( =180mm)]
LEAD = [-B0: Bulk]
4. () means load capacitor built in resonator
Figure 74. Typical Application with a Crystal or Ceramic Resonator
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
fCrOSC
Crystal oscillator frequency1)
216
MHz
CL1
CL2
Recommended load capacitance ver-
sus equivalent serial resistance of the
crystal or ceramic resonator (RS)
See table below
pF
Supplier
fCrOSC
(MHz)
Typical Ceramic Resonators2)
CL14)
(pF)
CL24)
(pF)
Rd
(
)
Supply Voltage
Range (V)
Temperature
Range (°C)
Type3)
Reference
Murata
1
SMD
CSBFB1M00J58-R0
220
2.2k
3.6V to 5.5V
-40 to +125
LEAD
CSBLA1M00J58-B0
2
SMD
CSTCC2M00G56Z-R0
(47)
0
3.0V to 5.5V
4
SMD
CSTCR4M00G53Z-R0
(15)
0
LEAD
CSTLS4M00G53Z-B0
8
SMD
CSTCE8M00G52Z-R0
(10)
0
LEAD
CSTLS8M00G53Z-B0
(15)
0
12
SMD
CSTCE12M0G52Z-R0
(10)
0
3.6V to 5.5V
16
SMD
CSTCE16M0V51Z-R0
(5)
0
LEAD
CSTLS16M0X51Z-B0
OSC2
OSC1
fOSC
CL1
CL2
i2
ST7
RESONATOR
WHEN RESONATOR WITH
INTEGRATED CAPACITORS
Rd
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