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参数资料
| 型号： | STM8L152C4T3 |
| 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, PQFP48 |
| 封装： | 7 X 7 MM, ROHS COMPLIANT, LQFP-48 |
| 文件页数： | 17/109页 |
| 文件大小： | 2050K |
| 代理商： | STM8L152C4T3 |
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STM8L151xx, STM8L152xx
Functional overview
Doc ID 15962 Rev 3
3.3
Reset and supply management
3.3.1
Power supply scheme
The device requires a 1.65 V to 3.6 V operating supply voltage (VDD). The external power
supply pins must be connected as follows:
●
VSS ; VDD = 1.8 to 3.6 V, down to 1.65 V at power down: external power supply for I/Os
and for the internal regulator. Provided externally through VDD pins, the corresponding
ground pin is VSS.
●
VSSA ; VDDA = 1.8 to 3.6 V, down to 1.65 V at power down: external power supplies for
analog peripherals (minimum voltage to be applied to VDDA is 1.8 V when the ADC1 is
used). VDDA and VSSA must be connected to VDD and VSS, respectively.
●
VSSIO ; VDDIO = 1.8 to 3.6 V, down to 1.65 V at power down: external power supplies for
I/Os. VDDIO and VSSIO must be connected to VDD and VSS, respectively.
●
VREF+ ; VREF- (for ADC1): external reference voltage for ADC1. Must be provided
externally through VREF+ and VREF- pin.
●
VREF+ (for DAC): external voltage reference for DAC must be provided externally
through VREF+.
3.3.2
Power supply supervisor
The device has an integrated ZEROPOWER power-on reset (POR)/power-down reset
(PDR), coupled with a brownout reset (BOR) circuitry. At power-on, BOR is always active,
and ensures proper operation starting from 1.8 V. After the 1.8 V BOR threshold is reached,
the option byte loading process starts, either to confirm or modify default thresholds, or to
disable BOR permanently (in which case, the VDD min value at power down is 1.65 V).
Five BOR thresholds are available through option bytes, starting from 1.8 V to 3 V. To
reduce the power consumption in Halt mode, it is possible to automatically switch off the
internal reference voltage (and consequently the BOR) in Halt mode. The device remains in
reset state when VDD is below a specified threshold, VPOR/PDR or VBOR, without the need for
any external reset circuit.
The device features an embedded programmable voltage detector (PVD) that monitors the
VDD/VDDA power supply and compares it to the VPVD threshold. This PVD offers 7 different
levels between 1.85 V and 3.05 V, chosen by software, with a step around 200 mV. An
interrupt can be generated when VDD/VDDA drops below the VPVD threshold and/or when
VDD/VDDA is higher than the VPVD threshold. The interrupt service routine can then generate
a warning message and/or put the MCU into a safe state. The PVD is enabled by software.
3.3.3
Voltage regulator
The STM8L15xxx embeds an internal voltage regulator for generating the 1.8 V power
supply for the core and peripherals.
This regulator has two different modes:
●
Main voltage regulator mode (MVR) for Run, Wait for interrupt (WFI) and Wait for event
(WFE) modes.
●
Low power voltage regulator mode (LPVR) for Halt, Active-halt, Low power run and Low
power wait modes.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| STM8L152C4T6 | 功能描述:8位微控制器 -MCU 8-bit Ultralow MCU 16 KB Flash w/LCD 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 |
| STM8L152C4T6TR | 功能描述:8位微控制器 -MCU 8BIT Ultralow MCU 16KB Flash 2KB RAM 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 |
| STM8L152C4U3 | 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 |
| 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 |
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