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| 型号： | STM8L152C4U3 |
| 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, QCC48 |
| 封装： | 7 X 7 MM, 0.50 MM PITCH, ROHS COMPLIANT, VFQFPN-48 |
| 文件页数： | 18/109页 |
| 文件大小： | 2050K |
| 代理商： | STM8L152C4U3 |
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Functional overview
STM8L151xx, STM8L152xx
Doc ID 15962 Rev 3
When entering Halt or Active-halt modes, the system automatically switches from the MVR
to the LPVR in order to reduce current consumption.
3.4
Clock management
The clock controller distributes the system clock (SYSCLK) coming from different oscillators
to the core and the peripherals. It also manages clock gating for low power modes and
ensures clock robustness.
Features
●
Clock prescaler: to get the best compromise between speed and current consumption
the clock frequency to the CPU and peripherals can be adjusted by a programmable
prescaler
●
Safe clock switching: Clock sources can be changed safely on the fly in run mode
through a configuration register.
●
Clock management: To reduce power consumption, the clock controller can stop the
clock to the core, individual peripherals or memory.
●
System clock sources: 4 different clock sources can be used to drive the system
clock:
–
1-16 MHz High speed external crystal (HSE)
–
16 MHz High speed internal RC oscillator (HSI)
–
32.768 Low speed external crystal (LSE)
–
38 kHz Low speed internal RC (LSI)
●
RTC and LCD clock sources: the above four sources can be chosen to clock the RTC
and the LCD, whatever the system clock.
●
Startup clock: After reset, the microcontroller restarts by default with an internal
2 MHz clock (HSI/8). The prescaler ratio and clock source can be changed by the
application program as soon as the code execution starts.
●
Clock security system (CSS): This feature can be enabled by software. If a HSE clock
failure occurs, the system clock is automatically switched to HSI.
●
Configurable main clock output (CCO): This outputs an external clock for use by the
application.
相关PDF资料 |
PDF描述 |
|---|---|
| STM8L152K4U3 | 8-BIT, FLASH, 16 MHz, RISC MICROCONTROLLER, QCC32 |
| STM8L151K4T3 | 8-BIT, FLASH, 16 MHz, RISC MICROCONTROLLER, PQFP32 |
| STM8L151K6T6 | 8-BIT, FLASH, 16 MHz, RISC MICROCONTROLLER, PQFP32 |
| STM8L152K4U6 | 8-BIT, FLASH, 16 MHz, RISC MICROCONTROLLER, QCC32 |
| STM8L152C6U6 | 8-BIT, FLASH, 16 MHz, RISC MICROCONTROLLER, QCC48 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| STM8L152C4U6 | 功能描述:8位微控制器 -MCU 8-bit Ultralow MCU LCD 48pin 16kb Flash 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 |
| STM8L152C4Y3 | 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 |
| STM8L152C4Y6 | 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 |
| STM8L152C6 | 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 |
| STM8L152C6T3 | 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 |
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