参数资料
型号: ST7PL35F2MCXXXRE
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, PDSO20
封装: 0.300 INCH, ROHS COMPLIANT, PLASTIC, SOP-20
文件页数: 43/168页
文件大小: 2955K
代理商: ST7PL35F2MCXXXRE
Obsolete
Product(s)
- Obsolete
Product(s)
ST7L34, ST7L35, ST7L38, ST7L39
137/168
ELECTRICAL CHARACTERISTICS (cont’d)
13.5 CLOCK AND TIMING CHARACTERISTICS
Subject to general operating conditions for VDD, fOSC and TA.
13.5.1 General Timings
Notes:
1. Guaranteed by Design. Not tested in production.
2. Data based on typical application software.
3. Time measured between interrupt event and interrupt vector fetch. Dtc(INST) is the number of tCPU cycles needed to fin-
ish the current instruction execution.
13.5.2 Crystal and Ceramic Resonator Oscillators
The ST7 internal clock can be supplied with four
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 24 (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), -B0: Bulk]
Symbol
Parameter1)
Conditions
Min
Typ2)
Max
Unit
tc(INST)
Instruction cycle time
fCPU = 8 MHz
23
12
tCPU
250
375
1500
ns
tv(IT)
Interrupt reaction time3)
tv(IT) = tc(INST) + 10
10
22
tCPU
1.25
2.75
s
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)
CL1
[pF]
CL2
[pF]
Supply Voltage
Range (V)
Reference3)
Oscillator Modes
Murata
2
CSTCC2M00G56-R0
LP or MP
(47)
3.0V to 5.5V
4
CSTCR4M00G55-R0
MP or MS
(39)
8
CSTCE8M00G55-R0
MS or HS
(33)
16
CSTCE16M0V53-R0
HS
(15)
相关PDF资料
PDF描述
ST7PL35F2UA/XXXE 8-BIT, MROM, 8 MHz, MICROCONTROLLER, QCC20
ST7L35F2UA/XXXRE 8-BIT, MROM, 8 MHz, MICROCONTROLLER, QCC20
ST7L35F2UC/XXXRE 8-BIT, MROM, 8 MHz, MICROCONTROLLER, QCC20
ST7L39F2MC/XXXE 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDSO20
ST7L39F2UC/XXXRE 8-BIT, MROM, 8 MHz, MICROCONTROLLER, QCC20
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