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| 型号： | STM8L151R8T6DSTM8L151R8T6D |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, FLASH, 16 MHz, RISC MICROCONTROLLER, PQFP64 |
| 封装： | 10 X 10 MM, ROHS COMPLIANT, LQFP-64 |
| 文件页数： | 107/122页 |
| 文件大小： | 1190K |
| 代理商： | STM8L151R8T6DSTM8L151R8T6D |
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STM8L15xx8, STM8L15xR6
Electrical parameters
Doc ID 17943 Rev 1
HSE crystal/ceramic resonator oscillator
The HSE clock can be supplied with a 1 to 16 MHz crystal/ceramic resonator oscillator. All
the information given in this paragraph is based on characterization results with specified
typical external components. In the application, the resonator and the load capacitors have
to be placed as close as possible to the oscillator pins in order to minimize output distortion
and startup stabilization time. Refer to the crystal resonator manufacturer for more details
(frequency, package, accuracy...).
Figure 13.
HSE oscillator circuit diagram
HSE oscillator critical gm formula
Rm: Motional resistance (see crystal specification), Lm: Motional inductance (see crystal specification),
Cm: Motional capacitance (see crystal specification), Co: Shunt capacitance (see crystal specification),
CL1=CL2=C: Grounded external capacitance
gm >> gmcrit
Table 30.
HSE oscillator characteristics
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
fHSE
High speed external oscillator
frequency
116
MHz
RF
Feedback resistor
200
k
Ω
C(1)
Recommended load capacitance (2)
20
pF
IDD(HSE)
HSE oscillator power consumption
C = 20 pF,
fOSC = 16 MHz
2.5 (startup)
0.7 (stabilized)(3)
mA
C = 10 pF,
fOSC =16 MHz
2.5 (startup)
0.46 (stabilized)(3)
gm
Oscillator transconductance
3.5
mA/V
tSU(HSE)
(4) Startup time
VDD is stabilized
1
ms
1.
C=CL1=CL2 is approximately equivalent to 2 x crystal CLOAD.
2.
The oscillator selection can be optimized in terms of supply current using a high quality resonator with small Rm value.
Refer to crystal manufacturer for more details
3.
Guaranteed by design. Not tested in production.
4.
tSU(HSE) is the startup time measured from the moment it is enabled (by software) to a stabilized 16 MHz oscillation. This
value is measured for a standard crystal resonator and it can vary significantly with the crystal manufacturer.
OSC_OUT
OSC_IN
fHSE to core
CL1
CL2
RF
STM8
Resonator
Consumption
control
gm
Rm
Cm
Lm
CO
Resonator
g
mcrit
2
Π
×
f
HSE
×
()2 R
m
×
2Co
C
+
()
2
=
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相关代理商/技术参数 |
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| STM8L151R8T6TR | 功能描述:8位微控制器 -MCU STM8L Ultra LP 8-Bit LCD 64-Pin 64kB 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 |
| STM8L151XX | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-bit ultralow power MCU, up to 32 KB Flash, 1 KB Data EEPROM RTC, LCD, timers, USART, I2C, SPI, ADC, DAC, comparators |
| STM8L1526DIE1 | 制造商:STMicroelectronics 功能描述:STM8L1526DIE1 - Gel-pak, waffle pack, wafer, diced wafer on film |
| STM8L1526-EV/WS | 制造商:STMicroelectronics 功能描述:Evaluation Kit for STM8L152C6 Series |
| STM8L1526-EVAL | 功能描述:开发板和工具包 - 其他处理器 STM8L15x MCU Eval Board RoHS:否 制造商:Freescale Semiconductor 产品:Development Systems 工具用于评估:P3041 核心:e500mc 接口类型:I2C, SPI, USB 工作电源电压: |
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