STM8L052C6T6 - 16MHz 32KB Ultra-Low-Power MCU | STMicroelectronics
MPN： STM8L052C6T6 ✓ 啟用中STM8L052C6T6 概覽
An ultra-low-power MCU is a microcontroller architecture optimized to balance processing capability, standby consumption, and energy efficiency in embedded products. Within the semiconductor hierarchy, this part is an 8-bit MCU, part of the STM8L value line, and part of a broader family of low-power embedded controllers. Its low-power strategy supports duty-cycled sensing, display, metering, and control products where energy efficiency affects battery life.
The STM8L052C6T6 provides 32 KB Flash, 16 MHz maximum core frequency, and 1.8 V to 3.6 V operating supply in the verified data. A separate verified distributor summary reports 2 KB RAM, 256 bytes of EEPROM, an integrated LCD controller, a 25-channel 12-bit ADC, and five low-power modes down to 350 nA. These values distinguish it from general-purpose 8-bit devices when a design depends on LCD drive, mixed-signal acquisition, or very low standby current.
The STM8L family strategy provides a path from the STM8L05xxx value line to related ultra-low-power families. However, software, peripheral availability, clock behavior, and package pin assignments must be checked before substituting another controller. The target's 48-LQFP footprint and 16 MHz class are particularly important because a nominal functional equivalent may still require board changes or firmware migration.
Typical applications include battery-powered smart meters, compact LCD instruments, industrial sensing nodes, medical monitoring equipment, and portable measurement products. Its 1.8 V to 3.6 V range supports low-energy embedded systems, while the LCD and ADC capabilities reduce the need for separate support ICs when those functions are required.
Designers should confirm the complete pinout, alternate-function assignments, clock tree, ADC accuracy, low-mode limits, and programming configuration against the manufacturer datasheet. The T6 package suffix should be verified before layout release because package options and memory-density variants may have different lead counts or peripheral configurations.
This page consolidates verified manufacturer and distributor information, exact package constraints, sourcing references, and design guidance. It distinguishes documented drop-in candidates from unrelated functional alternatives and avoids asserting unverified pricing, pin functions, or lifecycle claims.
直接替換替代品，適用於 STM8L052C6T6 — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： STM8L052C6T6 （相同外形與佔位） — 差異在於 Flash Memory, Package.
STM8L051C6T6
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
STM8L052R8T6
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →STM8L051R8T6
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
STM8L052C6T6 最大額定值與電氣特性
| Product Type | 8-bit ultra-low-power microcontroller |
| Product Family | STM8L value line |
| Maximum Core Frequency | 16 MHz |
| Flash Memory | 32 KB |
| RAM Memory | 2 KB |
| EEPROM Memory | 256 byte |
| 工作電源電壓 | 1.8 V to 3.6 V |
| 工作溫度範圍 | -40 °C to 85 °C |
| ADC Resolution | 12-bit |
| ADC Channels | 25 channels |
| LCD Controller | Integrated |
| Low-Power Modes | 5 modes |
| Minimum Low-Power Current | 350 nA |
| 封裝 | 48-LQFP 7 x 7 mm |
| 腳位數 | 48 pins |
| 安裝類型 | Surface mount |
STM8L052C6T6 48-lqfp 7 x 7 mm 腳位配置指南
STM8L052C6T6（48-lqfp 7 x 7 mm 封裝）的腳位配置。 此數位 IC 包含 GPIO、通訊介面（UART、SPI、I2C）與電源腳位。替代腳位功能與配置選項請參閱製造商資料表。對嵌入式系統設計與 PCB 佈局至關重要。
無詳細腳位定義資料： STM8L052C6T6.
請參閱 資料表 以查看完整腳位配置。
典型應用
STM8L052C6T6 適用於 6 應用s: Battery-Powered Smart Meter, LCD-Equipped Measurement Instrument, Industrial Sensor Node, Portable Medical Monitor, Battery-Powered Data Logger, Low-Power Security and Access Panel.
Battery-Powered Smart Meter
The STM8L052C6T6 fits a low-duty-cycle smart meter because its verified 1.8 V to 3.6 V supply range, five reported low-power modes, and 350 nA minimum low-power figure support energy-conscious operation. The reported 25-channel 12-bit ADC can acquire sensor signals, while the integrated LCD controller supports a human-readable display without requiring a separate display controller. Place the MCU between the sensor front end and LCD, and validate the complete measurement cycle because active current, LCD drive, and wake-up frequency will dominate practical battery life.
推薦
LCD-Equipped Measurement Instrument
The STM8L052C6T6 is appropriate for compact instruments that combine an LCD with slow-changing analog measurements. Its reported integrated LCD controller reduces system complexity, while the 12-bit 25-channel ADC supports multiple sensor inputs and the 32 KB Flash provides room for application firmware. The 48-LQFP package exposes more pins than a small leadless package, which can simplify routing when display, buttons, and analog inputs must coexist. Confirm display voltage, segment count, glass timing, and alternate-function assignments against the datasheet.
推薦
Industrial Sensor Node
The STM8L052C6T6 can serve as the local controller in an industrial sensor node when low standby energy and analog integration matter. The verified 16 MHz core and 32 KB Flash support local acquisition, filtering, diagnostics, and communication control, while the reported 12-bit ADC reduces the need for separate analog conversion. Use the 48-LQFP footprint when adequate I/O and routing flexibility justify its size. Validate sensor accuracy, ADC source impedance, watchdog behavior, and electromagnetic performance under the actual enclosure and wiring conditions.
推薦
Portable Medical Monitor
The STM8L052C6T6 may suit portable medical-monitoring products that require local sensing, display control, and low-power operation. Its reported LCD controller, 12-bit ADC, and low-power modes provide a compact feature set for devices that periodically acquire a signal and then sleep. The 1.8 V to 3.6 V range also supports integration with low-voltage sensor and communication circuitry. Medical use still requires application-specific risk analysis, validated measurement accuracy, electrical-safety review, and confirmation that quality and regulatory requirements are met; no medical qualification is inferred here.
推薦
Battery-Powered Data Logger
The STM8L052C6T6 is well matched to a duty-cycled data logger that wakes periodically, reads sensors, updates local state, and returns to a low-power mode. The verified 32 KB Flash stores firmware and calibration data, while the reported 2 KB RAM and 256-byte EEPROM support working data and persistent parameters. Its 16 MHz maximum frequency provides useful control bandwidth without implying continuous high-power operation. Estimate battery life using measured active and sleep currents; the reported 350 nA low-power value should be applied only to the conditions under which it was specified.
推薦
Low-Power Security and Access Panel
The STM8L052C6T6 can coordinate keypad input, display feedback, and sensor checks in a low-power access panel. Its reported LCD controller supports status prompts, the 12-bit ADC can supervise analog sensing channels, and five low-power modes permit reduced consumption between user events. The 48-LQFP package offers a practical pin count for buttons, display control, communications, and power-management signals. Because security products are sensitive to timing and fault behavior, validate wake latency, watchdog coverage, firmware update strategy, and fail-safe behavior rather than relying only on nominal power specifications.
推薦
推薦產品摘要
工程參考資料，適用於 STM8L052C6T6 — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | STM8L051C6T6 | STM8L052R8T6 | STM8L051R8T6 |
|---|---|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Core Architecture | 8-bit STM8L | 8-bit STM8L | 8-bit STM8L | 8-bit STM8L |
主要差異化特點
- Integrated display and analog acquisition (對比STM8L051C6T6)
- Verified exact 48-LQFP T6 package context (對比STM8L052R8T6)
- Value-line STM8L compatibility strategy (對比STM8L051R8T6)
設計說明
Build the power budget from measured mode-specific current rather than the reported 350 nA minimum in isolation. The verified operating range is 1.8 V to 3.6 V, so verify regulator dropout, startup behavior, decoupling, and the voltage required by the LCD and analog sensors. For duty-cycled designs, measure sleep current with the debugger disconnected and with all external pull networks in their normal states. Also test wake-up latency because a very low sleep figure can be outweighed by frequent sampling or display refresh.
Place all decoupling physically close to the corresponding device pins and keep the LCD, ADC, and digital timing paths separated. The ADC has 25 reported channels, so route analog inputs away from switching nodes and high-current return paths. Use a quiet ground strategy and minimize shared copper between analog return currents and digital outputs. Before layout release, verify the 48-LQFP land pattern, pin 1 orientation, exposed thermal behavior if applicable, programming-test access, and every alternate-function assignment against the current manufacturer datasheet.
Do not treat another STM8L family member as a drop-in replacement solely because its core and voltage are similar. Check the package pin count, land pattern, power pins, oscillator pins, reset behavior, LCD mapping, ADC channels, timer assignments, serial interfaces, memory size, and software support. The supplied evidence names STM8L051C6T6, STM8L052R8T6, and STM8L051R8T6 as review candidates, but the search snippets do not provide a complete verified equivalence. Prototype and run peripheral, timing, low-power, brownout, and EMC tests before substitution.
The 48-LQFP footprint provides substantial routing flexibility but requires deliberate escape planning between fine-pitch leads. Confirm pin multiplexing early because LCD, ADC, serial, and timer resources can constrain one another. Keep sensitive analog inputs short and provide nearby analog ground references where the datasheet recommends them. If the design uses an internal LCD driver, account for glass load, bias voltage, and segment capacitance during power-integrity and EMI checks rather than treating it as a low-current digital output.
合規資訊
The supplied verified product and distributor snippets do not state material-compliance or automotive-qualification status. No compliance claim is inferred.