STM8L151G6U6 - 8-bit Ultra-Low-Power MCU, 32KB Flash | STMicroelectronics
部品番号: STM8L151G6U6 ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $1.38 | $1.38 |
| 10 | $1.24 | $12.40 |
| 100 | $1.1 | $110.00 |
| 500 | $0.99 | $495.00 |
| 1,000 | $0.89 | $890.00 |
STM8L151G6U6 概要
An 8-bit microcontroller (MCU) is a single-chip computer with an 8-bit central processing unit (CPU), which processes data in 8-bit chunks. It integrates a processor core, memory (Flash, SRAM, EEPROM), and programmable peripherals (timers, communication interfaces, ADC, DAC) on a single integrated circuit. In the system hierarchy, an 8-bit MCU is a type of embedded controller, which falls under the broader category of microcontrollers, which are themselves a subset of integrated circuits used in embedded systems. The STM8L151G6U6 is specifically optimized for ultra-low-power operation, targeting battery-powered and energy-harvesting applications.
Key features of the STM8L151G6U6 include a 16 MHz CPU clock, 32 KB Flash memory, 2 KB SRAM, and 1 KB data EEPROM. It also integrates a 12-bit ADC, a 12-bit DAC, two comparators, an RTC, LCD driver, and multiple communication interfaces (USART, I2C, SPI). The device supports a wide supply voltage range of 1.8V to 3.6V, and its ultra-low-power modes include a Halt mode with 0.35 µA current consumption, making it suitable for battery-powered devices.
The STM8L151G6U6 is built on ST's low-power 8-bit core, which is designed for energy efficiency. It features a modular peripheral set that is shared across STM8 and STM32 families, simplifying code migration. The device includes a 4-channel DMA controller, which offloads data transfer tasks from the CPU, improving overall system performance. The ultra-low-power design extends battery life in portable applications.
Typical applications include portable medical devices, sensor nodes, smart meters, and industrial control systems. The device's low power consumption and rich peripheral set make it ideal for applications requiring long battery life and reliable operation. For example, in a wireless sensor node, the STM8L151G6U6 can wake up periodically, read sensors, and transmit data via its USART or SPI interface, then return to Halt mode to conserve power.
When designing with the STM8L151G6U6, ensure proper decoupling of the power supply pins with 100 nF capacitors placed close to the VDD and VSS pins. The device's low-power modes require careful configuration of the clock system and peripheral clocks to achieve the specified current consumption. Additionally, the UFQFPN-28 package has an exposed pad that should be connected to ground for optimal thermal performance.
ドロップイン代替品: STM8L151G6U6 — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。
クイック比較ツール — 並列比較する代替部品を選択:
STM8L151G6U3
✅ ドロップイン📋 参考代替品（カタログ未掲載）
STM8L151G4U6
✅ ドロップイン📋 参考代替品（カタログ未掲載）
STM8L152G6U6
✅ ドロップイン ⚠️ 仕様未検証📋 参考代替品（カタログ未掲載）
STM8L151G6U6TR
✅ ドロップイン ⚠️ 仕様未検証📋 参考代替品（カタログ未掲載）
STM8L151G6U6
✅ ドロップイン✓ 在庫あり
$0.89 / 個
データシートを見る →STM8L151G6U6 最大定格＆電気的特性
| Core | STM8 8-bit CISC |
| Clock Speed | 16 MHz |
| Flash Memory | 32 KB (32K x 8) |
| SRAM | 2 KB |
| Data EEPROM | 1 KB |
| 電源電圧 | 1.8 V to 3.6 V |
| パッケージ | 28-UFQFPN (4x4 mm) |
| I/O Pins | 41 |
| ADC | 12-bit, multiple channels |
| DAC | 12-bit |
| Comparators | 2 |
| RTC | Yes |
| LCD Driver | Yes |
| Communication Interfaces | USART, I2C, SPI |
| DMA | 4 channels |
| Halt Mode Current | 0.35 µA |
| 動作温度 | -40°C to +85°C |
| RoHS | Compliant |
STM8L151G6U6 ピン構成
| ピン 1 | PD0 — Port D0, general purpose I/O |
| ピン 2 | PD1 — Port D1, general purpose I/O |
| ピン 3 | NRST — Reset input, active low |
| ピン 4 | PA1 — Port A1, general purpose I/O |
| ピン 5 | PA2 — Port A2, general purpose I/O |
| ピン 6 | VSS — Ground |
| ピン 7 | VDD — Power supply |
| ピン 8 | PA3 — Port A3, general purpose I/O |
| ピン 9 | PA4 — Port A4, general purpose I/O |
| ピン 10 | PA5 — Port A5, general purpose I/O |
| ピン 11 | PA6 — Port A6, general purpose I/O |
| ピン 12 | PA7 — Port A7, general purpose I/O |
| ピン 13 | PB0 — Port B0, general purpose I/O |
| ピン 14 | PB1 — Port B1, general purpose I/O |
| ピン 15 | PB2 — Port B2, general purpose I/O |
| ピン 16 | PB3 — Port B3, general purpose I/O |
| ピン 17 | VSS — Ground |
| ピン 18 | VDD — Power supply |
| ピン 19 | PB4 — Port B4, general purpose I/O |
| ピン 20 | PB5 — Port B5, general purpose I/O |
| ピン 21 | PB6 — Port B6, general purpose I/O |
| ピン 22 | PB7 — Port B7, general purpose I/O |
| ピン 23 | PC0 — Port C0, general purpose I/O |
| ピン 24 | PC1 — Port C1, general purpose I/O |
| ピン 25 | PC2 — Port C2, general purpose I/O |
| ピン 26 | PC3 — Port C3, general purpose I/O |
| ピン 27 | PC4 — Port C4, general purpose I/O |
| ピン 28 | PC5 — Port C5, general purpose I/O |
主な用途
STM8L151G6U6 の用途: 6 件s: Portable Medical Devices, Wireless Sensor Nodes, Smart Meters, Industrial Control Systems, Consumer Electronics, Automotive Electronics.
Portable Medical Devices
The STM8L151G6U6 is ideal for portable medical devices such as glucose meters, pulse oximeters, and wearable health monitors. Its ultra-low-power Halt mode (0.35 µA) extends battery life, while the 12-bit ADC and comparators enable precise sensor measurements. The device can operate from 1.8V to 3.6V, allowing direct battery connection. In a typical glucose meter, the MCU reads the sensor via the ADC, processes the data, and displays results on an LCD, all while consuming minimal power. The RTC ensures accurate time-stamping of measurements. The compact UFQFPN-28 package fits into small form factors, and the wide operating temperature range ensures reliable operation in various environments.
おすすめ
Wireless Sensor Nodes
In wireless sensor networks, the STM8L151G6U6 serves as the central controller, managing sensor data acquisition, processing, and wireless transmission. Its low-power modes allow the node to sleep for extended periods, waking only to take measurements and transmit data via USART or SPI to a radio module. The 12-bit ADC accurately digitizes analog sensor outputs, while the DMA controller offloads data transfer, reducing CPU wake time. The device's 32 KB Flash provides ample space for communication protocols and sensor calibration data. With a supply voltage range of 1.8V to 3.6V, it can be powered by two AA batteries or a single lithium cell. The Halt mode current of 0.35 µA ensures years of operation on a single battery charge.
おすすめ
Smart Meters
The STM8L151G6U6 is well-suited for smart metering applications, including electricity, water, and gas meters. Its ultra-low-power operation is critical for battery-powered meters that must last 10+ years. The device's RTC provides accurate timekeeping for billing cycles, and the LCD driver can directly interface with segment LCDs to display consumption data. The 12-bit ADC and comparators enable precise measurement of analog sensor outputs, such as current transformers or flow sensors. The USART and SPI interfaces allow communication with external modems or PLC transceivers for remote data collection. The wide supply voltage range accommodates battery voltage variations, and the 32 KB Flash stores metering algorithms and calibration data.
おすすめ
Industrial Control Systems
The STM8L151G6U6 can be used in industrial control systems for monitoring and control tasks. Its robust design, wide operating temperature range, and low power consumption make it suitable for remote I/O modules, process controllers, and sensor interfaces. The device's multiple communication interfaces (USART, I2C, SPI) allow easy integration with industrial networks. The 12-bit ADC and comparators enable accurate analog signal conditioning, while the DMA controller improves real-time performance. The 32 KB Flash provides ample space for control algorithms, and the 1 KB EEPROM stores configuration parameters. The device's low-power modes are beneficial for battery-backed systems, ensuring reliable operation during power outages.
おすすめ
Consumer Electronics
The STM8L151G6U6 is used in various consumer electronics, including remote controls, smart home devices, and wearable gadgets. Its ultra-low-power consumption extends battery life in remote controls and wearables. The device's rich peripheral set, including timers, ADC, and communication interfaces, enables features like button scanning, LED control, and wireless communication. The compact UFQFPN-28 package allows for miniaturized designs. The device can operate from a coin cell battery (3V) and supports a wide voltage range, ensuring reliable operation as the battery discharges. The 32 KB Flash is sufficient for consumer applications, and the 1 KB EEPROM stores user preferences.
おすすめ
Automotive Electronics
The STM8L151G6U6 is suitable for automotive applications such as body control modules, sensor interfaces, and diagnostic tools. Its wide operating temperature range (-40°C to +85°C) and low power consumption make it ideal for always-on systems. The device's robust communication interfaces (CAN, LIN via USART) enable integration with vehicle networks. The 12-bit ADC and comparators are used for sensor conditioning, while the RTC provides time-stamping for event logging. The 32 KB Flash stores application firmware, and the 1 KB EEPROM retains calibration data. The device's low-power modes are beneficial for reducing battery drain when the vehicle is off.
おすすめ
おすすめ製品の概要
エンジニアリング参考データ: STM8L151G6U6 — 比較、設計ガイダンス、コンプライアンス情報。
選定ガイド
代替品との比較
| パラメータ | この製品 | STM8L151G6U3 | STM8L151G4U6 | STM8L152G6U6 |
|---|---|---|---|---|
| Package | 28-UFQFPN (4x4 mm) | 28-UFQFPN (4x4 mm) - same | 28-UFQFPN (4x4 mm) - same | 28-UFQFPN (4x4 mm) - same |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Flash Memory | 32 KB | 32 KB | 16 KB | 32 KB |
| SRAM | 2 KB | 2 KB | 2 KB | 2 KB |
| Data EEPROM | 1 KB | 1 KB | 1 KB | 1 KB |
| Operating Temperature | -40°C to +85°C | -40°C to +125°C | -40°C to +85°C | -40°C to +85°C |
| LCD Driver | No | No | No | Yes |
| Halt Mode Current | 0.35 µA | 0.35 µA | 0.35 µA | 0.35 µA |
主な差別化要因
- Ultra-low-power Halt mode with 0.35 µA current consumption （vs STM8L151G4U6)
- Wide operating temperature range (-40°C to +85°C) （vs STM8L151G6U3)
- Integrated LCD driver （vs STM8L152G6U6)
設計ノート
The STM8L151G6U6 operates from 1.8V to 3.6V. Use a 100 nF ceramic capacitor close to each VDD pin and a 1 µF capacitor for bulk decoupling. For battery-powered designs, consider a low-dropout regulator to maintain stable voltage as the battery discharges. The device's low-power modes require careful configuration of the clock system; disable unused peripherals and clocks to achieve the specified 0.35 µA Halt mode current.
The UFQFPN-28 package has an exposed pad on the bottom. Connect this pad to ground (VSS) for proper thermal dissipation and electrical grounding. Ensure the PCB land pattern matches the recommended dimensions in the datasheet (CD00240181). Use vias under the exposed pad to improve thermal transfer to the ground plane. Keep traces to the crystal and decoupling capacitors short to minimize noise.
When using the STM8L151G6U6, avoid floating unused I/O pins; configure them as outputs or enable internal pull-ups to reduce leakage current. The NRST pin has an internal pull-up, but an external 100 nF capacitor to ground is recommended for noise immunity. Ensure the supply voltage does not exceed 3.6V, as this can damage the device. For programming, use the SWIM interface with a suitable programmer like the ST-LINK.
コンプライアンス情報
RoHS compliant per STMicroelectronics product page. Not AEC-Q100 qualified; for automotive use, consider the STM8L151G6U3 with extended temperature range.
