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参数资料
型号： ST7FLITE10BY0B6
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, PDIP16
封装： 0.300 INCH, ROHS COMPLIANT, PLASTIC, DIP-16
文件页数： 80/159页
文件大小： 2855K
代理商： ST7FLITE10BY0B6
ST7LITE1xB
27/159
7.4 MULTI-OSCILLATOR (MO)
The main clock of the ST7 can be generated by
four different source types coming from the multi-
oscillator block (1 to 16MHz):
■ an external source
■ 5 different configurations for crystal or ceramic
resonator oscillators
■ an internal high frequency RC oscillator
Each oscillator is optimized for a given frequency
range in terms of consumption and is selectable
through the option byte. The associated hardware
configurations are shown in Table 4. Refer to the
electrical characteristics section for more details.
External Clock Source
In this external clock mode, a clock signal (square,
sinus or triangle) with ~50% duty cycle has to drive
the OSC1 pin while the OSC2 pin is tied to ground.
Note: when the Multi-Oscillator is not used, PB4 is
selected by default as external clock.
Crystal/Ceramic Oscillators
In this mode, with a self-controlled gain feature,
oscillator of any frequency from 1 to 16MHz can be
placed on OSC1 and OSC2 pins. This family of os-
cillators has the advantage of producing a very ac-
curate rate on the main clock of the ST7. In this
mode of the multi-oscillator, the resonator and the
load capacitors have to be placed as close as pos-
sible to the oscillator pins in order to minimize out-
put distortion and start-up stabilization time. The
loading capacitance values must be adjusted ac-
cording to the selected oscillator.
These oscillators are not stopped during the
RESET phase to avoid losing time in the oscillator
start-up phase.
Internal RC Oscillator
In this mode, the tunable 1%RC oscillator is used
as main clock source. The two oscillator pins have
to be tied to ground if dedicately using for oscillator
else can be found as general purpose IO.
The calibration is done through the RCCR[7:0] and
SICSR[6:5] registers.
Table 4. ST7 Clock Sources
Hardware Configuration
External
Cloc
k
Cry
s
tal/Ceramic
R
esona
tors
Internal
R
C
Oscillator
OSC1
OSC2
EXTERNAL
ST7
SOURCE
OSC1
OSC2
LOAD
CAPACITORS
ST7
CL2
CL1
OSC1
OSC2
ST7
1
相关PDF资料
PDF描述
ST7FLITE10BY0M6TR 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PDSO16
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ST7FLITE10BY1M3TR 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PDSO16
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相关代理商/技术参数
参数描述
ST7FLITE10F1B6 功能描述:8位微控制器 -MCU Flash 4K SPI RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
ST7FLITE10F1B6 制造商:STMicroelectronics 功能描述:IC 8BIT FLASH MCU 7FLITE10 DIP20
ST7FLITE10F1M6 功能描述:8位微控制器 -MCU Flash 4K SPI RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
ST7FLITE15 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, DATA EEPROM, ADC, 4 TIMERS, SPI
ST7FLITE15F1B6 功能描述:8位微控制器 -MCU Flash 4K SPI RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
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