STM8L101F3P3 - 8-Bit 16MHz Ultra-Low-Power MCU | STMicroelectronics
部品番号: STM8L101F3P3 ✓ 生産中STM8L101F3P3 概要
A microcontroller is a programmable control component that integrates a processor, memory, digital I/O, timers, communications peripherals, and supporting logic on one semiconductor device. The STM8L101F3P3 belongs to the STM8L low-power 8-bit family, a compact MCU platform intended for cost-sensitive, low-power, low-complexity applications. Its CISC-style STM8 architecture supports efficient code density, while its 24-bit linear addressing space provides access to the device memory map.
Key features of the STM8L101F3P3 include an enhanced STM8 CPU core reaching up to 16 MIPS at 16 MHz, 8 KB of Flash memory, multifunction timers, comparators, USART, SPI, and I2C interfaces, and up to 18 I/O ports. The 1.65 V to 3.6 V operating range supports low-voltage battery-powered systems as well as standard embedded control rails. The 20-TSSOP package provides a compact surface-mount footprint for space-constrained designs.
The STM8L101F3P3 is suitable for low-power sensing, small industrial control nodes, portable measurement equipment, consumer accessories, and connected embedded products. Its low-power family positioning makes it useful where average current consumption and energy efficiency are important, especially in devices that spend substantial time in sleep or low-activity states.
Designers should confirm the exact clock, memory, peripheral, and electrical limits against the manufacturer datasheet before finalizing the design. Decoupling capacitors should be placed close to the supply pins, unused inputs should be held at defined levels, and low-power wake-up behavior should be validated with the intended firmware. Toolchain and peripheral configuration must also be checked against the STM8 family development environment.
This page combines verified distributor availability, manufacturer technical information, package details, and practical selection guidance to support engineers evaluating the STM8L101F3P3 for a new low-power embedded design.
ドロップイン代替品: STM8L101F3P3 — 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。
このシリーズのバリエーション
同一シリーズでドロップイン互換のモデル: STM8L101F3P3 （同一形状・フットプリント） — 相違点: Supply Voltage Range, Package, I/O Ports, Maximum Processing Performance, RoHS Status.
STM8L101F3P3TR
✅ ドロップイン📋 参考代替品（カタログ未掲載）
STM8S103F3P6
✅ ドロップイン価格はお問い合わせください
データシートを見る →STM8S103F2P3TR
✅ ドロップイン📋 参考代替品（カタログ未掲載）
STM8L101F3P3 最大定格＆電気的特性
| Product Type | 8-bit ultra-low-power microcontroller |
| Series | STM8L EnergyLite |
| 最大クロック周波数 | 16 MHz |
| Maximum Processing Performance | 16 MIPS at 16 MHz |
| Flash Program Memory | 8 KB (8K x 8) |
| Supply Voltage Range | 1.65 V to 3.6 V |
| I/O Ports | Up to 18 I/O ports |
| Timers | Multifunction timers |
| Analog Peripherals | Comparators |
| Serial Interfaces | USART, SPI, and I2C |
| パッケージ | 20-pin TSSOP |
| Package Dimensions | 0.173 in x 4.40 mm width |
| 実装タイプ | Surface Mount |
| Architecture | 8-bit STM8 CPU core |
| RoHS ステータス | RoHS compliant |
| ライフサイクル状態 | Active |
| Data Sheet Description | 8-bit ultralow-power microcontroller with up to 8 Kbytes Flash |
STM8L101F3P3 0.173 in x 4.40 mm width ピン配置ガイド
STM8L101F3P3 (0.173 in x 4.40 mm width パッケージ) のピン配置。 このデジタルICには、GPIO、通信インターフェース (UART、SPI、I2C)、および電源ピンが含まれています。代替ピン機能と設定オプションについては、メーカーのデータシートを参照してください。組み込みシステム設計とPCBレイアウトに不可欠です。
詳細なピン配置データはありません: STM8L101F3P3.
詳細は データシート をご参照ください。
主な用途
STM8L101F3P3 の用途: 6 件s: Battery-Powered Sensor Nodes, Industrial Control Modules, Portable Measurement Instruments, Smart Home and IoT Accessories, Consumer and Appliance Controls, Low-Power Communications Equipment.
Battery-Powered Sensor Nodes
The STM8L101F3P3 fits battery-powered sensor nodes because its STM8L low-power family is designed for compact embedded control and operates from 1.65 V to 3.6 V. The 16 MHz maximum clock provides up to 16 MIPS, while USART, SPI, I2C, timers, and comparators support sensor acquisition and periodic measurements. A typical design uses the MCU to wake from a low-power state, read a sensor through I2C or SPI, evaluate the result, and transmit data through USART. The principal benefit is low-voltage operation with enough processing performance for local control, while the trade-off is that the 8 KB Flash budget requires careful code sizing.
おすすめ
Industrial Control Modules
The STM8L101F3P3 is suitable for small industrial control modules that require deterministic low-cost control rather than a high-performance processor. Its 8-bit STM8 CPU, 16 MHz maximum clock, multifunction timers, comparators, and serial interfaces provide the fundamentals for monitoring inputs, driving outputs, and communicating with a host. The 1.65 V to 3.6 V supply range supports low-voltage control rails, while the 20-pin TSSOP package simplifies compact board construction. Designers should verify industrial temperature and EMC requirements against the exact datasheet, because the supplied data does not state an industrial qualification rating.
おすすめ
Portable Measurement Instruments
The STM8L101F3P3 supports portable measurement instruments where a compact MCU, low-voltage operation, and multiple communication interfaces are valuable. Its comparators can assist with threshold detection, timers can manage acquisition and sampling events, and USART, SPI, and I2C can connect displays, sensors, and external data converters. The 8 KB Flash capacity is adequate for focused instrumentation firmware but may require external storage or code optimization for feature-rich products. The 20-pin TSSOP package leaves more board area than a larger MCU for analog isolation, display connectors, and power-management components.
おすすめ
Smart Home and IoT Accessories
The STM8L101F3P3 can be used in compact smart-home accessories and IoT endpoint controllers where low standby power and serial connectivity are more important than graphics or high-bandwidth processing. The MCU can coordinate sensors, relays, indicators, and update traffic through I2C, SPI, or USART, while its 1.65 V to 3.6 V operating range supports low-voltage power architectures. The 8 KB Flash footprint favors focused firmware with simple connectivity or local logic. Compared with a larger application processor, it reduces system complexity and board area, but firmware capacity and peripheral requirements must be checked before committing to the design.
おすすめ
Consumer and Appliance Controls
The STM8L101F3P3 is appropriate for simple appliance, accessory, and consumer-product control panels where an 8-bit MCU can manage buttons, indicators, timers, and compact serial devices. The 16 MHz STM8 CPU provides sufficient control throughput for real-time state machines, and the built-in timers, comparators, USART, SPI, and I2C reduce the need for external components. The 20-pin TSSOP package supports automated surface-mount assembly in high-volume products. The main design constraint is the 8 KB Flash limit, so a production firmware plan should include a size budget and avoid unnecessary protocol stacks or duplicated features.
おすすめ
Low-Power Communications Equipment
The STM8L101F3P3 is useful in low-power communications equipment that needs a microcontroller for protocol handling, configuration, and supervisory control rather than high-throughput packet processing. USART and SPI can connect radio or modem modules, while I2C supports configuration devices and local sensors. The low-voltage STM8L architecture and compact TSSOP package help reduce board area and power demand in distributed nodes. Firmware must fit within 8 KB of Flash, so the device is best suited to lightweight command handling, address management, and simple protocol bridging rather than TCP/IP stacks or graphics-heavy user interfaces.
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: STM8L101F3P3 — 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 | STM8L101F3P3TR | STM8S103F3P6 | STM8S103F2P3TR |
|---|---|---|---|---|
| Package | 20-pin TSSOP | 20-pin TSSOP | TSSOP-20 | TSSOP-20 |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Processor Architecture | 8-bit STM8 | 8-bit STM8 | 8-bit STM8 | 8-bit STM8 |
| Flash Program Memory | 8 KB | 8 KB | 4 KB | 4 KB |
| Product Positioning | Ultra-low-power MCU | Ultra-low-power MCU | Access-line MCU | Access-line MCU |
主な差別化要因
- Ultra-low-power family positioning （vs STM8S103F3P6)
- Twice the listed Flash capacity （vs STM8S103F3P6)
- Twice the listed Flash capacity （vs STM8S103F2P3TR)
- Low-voltage operation range （vs STM8L101F3P3TR)
設計ノート
Plan the supply rail around the verified 1.65 V to 3.6 V operating range and keep the MCU supply within that range at every operating mode. Place the local supply bypass capacitor immediately adjacent to the supply and ground pins, and route high-current return paths away from sensitive signal traces. Validate the complete power budget, including sensor loads and external interface levels, because the MCU voltage rating does not cover the voltage tolerance of connected peripherals.
Use the datasheet TSSOP-20 land pattern and preserve the specified pin numbering orientation. Keep decoupling and any external clock or reset components within a few millimeters of their associated pins. Route USART, SPI, and I2C as short traces away from switching nodes and motors, with continuous ground references where practical. The 20-pin TSSOP footprint is compact, so a footprint mistake would prevent assembly or alter the function of connected signals.
Do not treat same-package candidates as automatically interchangeable. STM8L101F3P3 has 8 KB of Flash, while the verified STM8S103 comparison candidates are listed with 4 KB, and STM8S103 parts are described as access-line MCUs rather than ultra-low-power devices. Before substitution, verify the pin map, supply limits, clock setup, peripheral register compatibility, interrupt vectors, boot behavior, and application firmware size.
Battery life should be estimated from the actual operating profile rather than the maximum 16 MHz clock rate. Measure active current, sleep current, wake-up latency, and peripheral leakage at the intended voltage and temperature. Use the STM8L low-power modes only after validating wake-up sources and interrupt behavior in the actual firmware, since a frequent wake-up interval or an active communication peripheral can dominate the total energy budget.
コンプライアンス情報
The verified DigChip specification states RoHS compliant. No verified REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals declaration was supplied, so those fields remain unknown or not applicable.