STM8L152C4T3 - 16MHz 16KB Flash Ultra-Low-Power MCU | STMicroelectronics
料号： STM8L152C4T3 ✓ 量产中STM8L152C4T3 概述
An ultra-low-power microcontroller is an energy-efficient integrated circuit designed to conserve battery energy by combining low-leakage operation, low-power operating modes, and selective peripheral activation. The STM8L family belongs to the broader hierarchy of 8-bit MCU, microcontroller, embedded processor, and semiconductor products used in sensing, metering, control, communications, and human-interface applications.
The STM8L152C4T3 combines 16 KB of Flash memory with an integrated real-time clock and LCD controller. Its documented peripheral set also includes timers, USART, I2C, SPI, ADC, DAC, and comparators. These resources allow a designer to implement local sensing, display control, data acquisition, serial communication, and actuator drive functions without relying on several separate discrete devices.
Its 16 MHz operating clock provides dedicated processing performance for low-complexity control tasks, while the 41 available I/O ports support compact user interfaces and mixed analog and digital connections. The 1.8 V to 3.6 V operating range accommodates low-voltage battery-powered designs as well as 3.3 V industrial or embedded systems. Component selection should include checking the complete pin description and electrical limits in the manufacturer pinout and datasheet.
Typical uses include battery-powered environmental sensors, compact energy meters, industrial control modules, instrument-panel controllers, low-power data loggers, and connected sensing nodes. The LCD controller and real-time clock are especially useful when the design requires a local display and timekeeping without continuously powering a larger processor or display subsystem.
PCB design should preserve the required decoupling arrangement, connect unused pins according to the manufacturer guidance, and route high-impedance or sensitive analog signals away from fast-switching nodes. Low-power designs must also account for board leakage, pull-up resistance, and the operating mode selected by firmware, because external circuitry can dominate the final sleep-mode current.
This page consolidates the exact orderable MPN, electrical attributes, package information, application guidance, and qualified same-family alternatives into one engineering reference. It also identifies the documentation needed to verify pin assignment, peripheral multiplexing, firmware support, and lifecycle status before a design is released to production.
直接替换替代料： STM8L152C4T3 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： STM8L152C4T3 （相同外形与封装尺寸） ——差异在于 Package, Analog Peripherals, Architecture, Data EEPROM, Flash Memory.
STM8L152C4T6
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
STM8L151C4T6
✅ 直接替换联系询价
查看数据手册 →STM8L151C4T3
✅ 直接替换 ⚠️ 规格未核验联系询价
查看数据手册 →STM8L152C4T3 最大额定值与电气特性
| Microcontroller Type | 8-bit ultra-low-power MCU |
| Maximum CPU Clock | 16 MHz |
| Program Memory | 16 KB Flash |
| Flash Organization | 16K x 8 bits |
| 工作电源电压 | 1.8 V to 3.6 V |
| I/O Port Count | 41 ports |
| 封装 | 48-pin LQFP, 7 x 7 mm |
| Real-Time Clock | Integrated |
| LCD Controller | Integrated |
| Timers | Integrated |
| Serial Interfaces | USART, I2C, and SPI |
| Analog Peripherals | ADC, DAC, and comparators |
STM8L152C4T3 48-pin lqfp, 7 x 7 mm 引脚配置指南
STM8L152C4T3（48-pin lqfp, 7 x 7 mm 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： STM8L152C4T3.
请参阅 数据手册 以查看完整引脚配置。
典型应用
STM8L152C4T3 适用于 6 应用s: Battery-Powered Environmental Sensor Nodes, Compact Energy and Utility Meters, Low-Power Data Loggers, Industrial Control and Sensor Interface Modules, Instrument Panels and Segmented LCD Displays, Connected Low-Power Sensing Products.
Battery-Powered Environmental Sensor Nodes
The STM8L152C4T3 fits compact environmental sensors that periodically measure an analog input and transmit the result over a low-speed serial link. Its 1.8 V to 3.6 V operating range supports low-energy supply designs, while the ADC and comparators provide local measurement and threshold functions. The 16 MHz clock and integrated timers help schedule sampling and communication activity. Because the MCU supports deep low-power operating modes, firmware can disable unused peripherals between measurements. Final battery-life calculations must include sensor standby current, pull-up networks, regulator quiescent current, and PCB leakage rather than relying on controller power alone.
推荐
Compact Energy and Utility Meters
The STM8L152C4T3 is suitable for compact metering modules that combine pulse counting, timekeeping, local display support, and low-rate communications. Its integrated real-time clock supports time-stamped records, the timers can capture measurement or pulse events, and the LCD controller is useful for segmented instrument displays. The 41 I/O ports provide ample connections for sensors, buttons, and communication lines within a 7 x 7 mm footprint. Calibration data can be stored in the internal nonvolatile memory identified by the exact device documentation. Meter accuracy ultimately depends on the analog front end, crystal selection, and calibration method.
推荐
Low-Power Data Loggers
The STM8L152C4T3 can serve as the control device in a low-power data logger that stores timestamped sensor readings and transmits them through USART, I2C, or SPI. Its real-time clock provides the time reference, while timers support precise acquisition and communication intervals. The 16 KB Flash memory is suitable for modest firmware and data-handling functions, although application-specific nonvolatile storage should be added if logs exceed internal capacity. Running the controller between measurement intervals can reduce average energy use. Validate wake timing, sensor stabilization, bus loading, and data-integrity requirements against the complete system specification.
推荐
Industrial Control and Sensor Interface Modules
The STM8L152C4T3 is appropriate for small industrial modules that combine digital inputs, analog monitoring, local logic, and serial communications. Its 41 I/O ports support multiple sensors and actuators, while the ADC, DAC, and comparators expand the available signal-processing functions. The 1.8 V to 3.6 V range fits 3.3 V control electronics and permits lower-voltage operation where appropriate. Industrial equipment should also provide appropriate isolation, surge protection, grounding, and environmental margins outside the MCU. Firmware should include watchdog, reset-cause, and communication-error recovery mechanisms for reliable unattended operation.
推荐
Instrument Panels and Segmented LCD Displays
The integrated LCD controller and real-time clock make the STM8L152C4T3 well suited to compact instrument panels with segmented LCD indications. It can manage display updates, button input, timing, and interface communication without a separate display controller. The 48-pin LQFP package provides 41 I/O ports for display segments, switches, indicators, and communications while remaining only 7 x 7 mm. Designers should calculate LCD segment drive requirements, contrast, bias timing, and glass operating limits against the device's LCD specifications. Low-power operation is particularly valuable in fixed-function panels because the display and MCU can be refreshed only when their state changes.
推荐
Connected Low-Power Sensing Products
The STM8L152C4T3 can act as the low-power controller in a compact connected product that gathers local sensor data and communicates with a higher-level host over USART, I2C, or SPI. Its integrated ADC and comparators support front-end sensing, the DAC can generate an analog output where required, and the timers provide event and timing services. The 16 MHz processor and 16 KB Flash are appropriate for protocol handling and moderate control logic. Connection to a radio or network module remains necessary for wireless operation. Power sequencing, bus pull-ups, antenna integration, and enclosure thermals should be evaluated as part of the complete product design.
推荐
工程参考数据： STM8L152C4T3 ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | STM8L152C4T6 | STM8L151C4T6 | STM8L151C4T3 |
|---|---|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Package | 48-pin LQFP (7 x 7 mm) | 48-pin LQFP (7 x 7 mm) | 48-pin LQFP (7 x 7 mm) | 48-pin LQFP (7 x 7 mm) |
| Device Type | 8-bit ultra-low-power MCU | 8-bit ultra-low-power MCU | 8-bit ultra-low-power MCU | 8-bit ultra-low-power MCU |
| Program Memory | 16 KB Flash | 16 KB Flash | 16 KB Flash | 16 KB Flash |
| Integrated Analog and Timing Resources | ADC, DAC, comparators, timers, and real-time clock | STM8L152 variant peripheral set | STM8L151 variant; LCD and DAC feature differences require verification | STM8L151 variant; LCD and DAC feature differences require verification |
关键差异点
- Broad integrated peripheral set in the 48-pin footprint （对比 STM8L151C4T6)
- Matching flash and maximum-clock configuration （对比 STM8L152C4T6)
- Same STM8L152 variant architecture with a distinct temperature suffix （对比 STM8L151C4T3)
设计说明
Design the STM8L152C4T3 supply around its documented 1.8 V to 3.6 V operating range. Place the manufacturer's specified input and output decoupling capacitors close to their associated pins, maintain the required supply ramp behavior, and keep analog and digital return currents under a common low-impedance ground strategy. For battery-powered systems, include regulator dropout, quiescent current, and peripheral load current in the energy budget because the MCU alone does not determine total standby consumption.
Assign all 48 LQFP positions from the manufacturer pin-description table before schematic capture. Verify programming pins, reset, clock, power, ground, LCD, ADC, DAC, comparator, and communication functions because alternate-function multiplexing can constrain the usable 41 I/O ports. Keep sensitive analog inputs short and away from switching nodes, provide a quiet reference return, and route high-current outputs separately from low-level sensing paths to reduce coupling.
Do not treat a shared STM8L family name or LQFP outline as proof of drop-in compatibility. The STM8L151 and STM8L152 variants differ in their documented peripheral mix, particularly around LCD and DAC functionality, and temperature suffixes can impose different operating limits. Before replacing STM8L152C4T3, compare every used pin, alternate function, supply limit, clock setting, bootloader interface, and firmware target in the manufacturer documentation.
合规信息
Compliance status could not be extracted for the exact STM8L152C4T3 orderable MPN from the listed documentation.
