参数资料
型号: ST7PLITE20F2B6
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDIP20
封装: 0.300 INCH, PLASTIC, DIP-20
文件页数: 5/133页
文件大小: 2361K
代理商: ST7PLITE20F2B6
ST7LITE2
102/133
CLOCK AND TIMING CHARACTERISTICS (Cont’d)
13.5.3 Crystal and Ceramic Resonator Oscillators
The ST7 internal clock can be supplied with eight
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 have to 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 23 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 66. Typical application with a crystal or ceramic resonator
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
fCrOSC
Crystal Oscillator Frequency 1)
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)
CL1 4)
[pF]
CL2 4)
[pF]
Rd
[
]
Supply Voltage
Range [V]
Temperature
Range [°C]
Type3)
Reference
Murata
2
SMD
CSTCC2M00G56-R0
(47)
0
2.4V to 5.5V
-40 to 85
4
SMD
CSTCR4M00G53-R0
(15)
0
LEAD
CSTLS4M00G53-B0
(15)
0
8
SMD
CSTCE8M00G52-R0
(10)
0
LEAD
CSTLS8M00G53-B0
(15)
0
16
SMD
CSTCE16M0V51-R0
(5)
0
3.3V to 5.5V
LEAD
CSTLS16M0X53-B0
(15)
0
4.5V to 5.5V
LEAD
CSALS16M0X55-B0
7
1.5k
3.8V to 5.5V
OSC2
OSC1
fOSC
CL1
CL2
i2
RESONATOR
WHEN RESONATOR WITH
INTEGRATED CAPACITORS
Rd
ST7LITE2
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