STM32F103ZDT6 - 72MHz Cortex-M3 384KB MCU | STMicroelectronics
部品番号: STM32F103ZDT6 ✓ 生産中STM32F103ZDT6 概要
A microcontroller is an integrated circuit that combines a processor core, memory, peripherals, and communication interfaces on one semiconductor device. The STM32F103ZDT6 is an Arm Cortex-M3 MCU within the STM32 family, which sits under the broader embedded-processing and semiconductor hierarchy. Its combination of USB, CAN, analog conversion, timers, and serial communications makes it useful for industrial control, data acquisition, motor-control, and communications-oriented embedded equipment.
The verified product information identifies a 72 MHz Arm Cortex-M3 core, 384 KB of Flash, 11 timers, three ADCs, and 13 communication interfaces. USB and CAN are explicitly listed as supported connectivity functions. The STM32F103 family covers 256 KB to 512 KB of Flash, while the STM32F103ZD device variant specifically provides 384 KB. These resources allow embedded firmware to combine control logic, peripheral management, and communication tasks within one device.
The STM32F103ZDT6 belongs to STMicroelectronics' Active Mainstream Performance line and targets applications including motor control, USB, and CAN equipment. Its 144-pin LQFP (20 x 20 mm) construction exposes a substantially larger number of GPIO and peripheral resources than smaller MCU packages. That package size is an important engineering tradeoff because it simplifies access to extensive I/O while requiring a correspondingly large PCB footprint and careful high-density fanout routing.
Typical uses include factory automation controllers, CAN-connected industrial nodes, USB data-acquisition equipment, motor-control peripherals, and communication gateways. In these systems, the three ADCs can support analog measurement channels, the 11 timers can support timing and motor-control functions, and USB or CAN can provide structured external connectivity. Developers should select peripheral functions and pin multiplexing against the device pinout and verify the complete operating requirements in the manufacturer documentation.
The primary design consideration is package-level planning. A 144-pin LQFP requires adequate board area, escape routing for its dense perimeter leads, and attention to thermal performance during reflow and operation. Firmware development also depends on the exact STM32F103 device definition, clock configuration, peripheral mapping, and startup code; a board swap should therefore include electrical, timing, and software validation rather than relying only on connector compatibility.
This page consolidates verified manufacturer and distributor information, package-specific alternatives, pricing references, comparison data, and practical sourcing guidance. It distinguishes confirmed characteristics from unavailable specifications and provides engineering context beyond a distributor listing, helping teams evaluate the STM32F103ZDT6 for embedded USB, CAN, analog, and control designs.
ドロップイン代替品: STM32F103ZDT6 — 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: STM32F103ZDT6 （同一形状・フットプリント） — 相違点: Package, Timers, Operating Temperature, ADC Resolution, CAN.
STM32F103ZCT6
✅ 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 →STM32F103ZET6
✅ 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 →STM32F103ZDH6
✅ 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 →GD32F103ZDT6
✅ ドロップイン📋 参考代替品（カタログ未掲載）
STM32F103ZDT6 最大定格＆電気的特性
| Product Type | 32-bit microcontroller (MCU) |
| Processor Core | Arm Cortex-M3 |
| Maximum CPU Frequency | 72 MHz |
| Architecture | 32-bit |
| Flash Memory | 384 KB |
| Flash Organization | 384K x 8 bits |
| STM32F103 Family Flash Range | 256 KB to 512 KB |
| 動作電源電圧 | 2.5 V/3.3 V |
| USB Interface | Yes |
| CAN Interface | Yes |
| Timer Count | 11 timers |
| ADC Count | 3 ADCs |
| Communication Interface Count | 13 communication interfaces |
| パッケージ | 144-pin LQFP |
| Package Dimensions | 20 mm x 20 mm |
| Performance Line | STM32F1 High-density Performance Line |
| Product Status | Active Mainstream |
| Primary Application Areas | Motor control, USB, and CAN |
| Packaging | Tray |
STM32F103ZDT6 20 mm x 20 mm ピン配置ガイド
STM32F103ZDT6 (20 mm x 20 mm 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: STM32F103ZDT6.
詳細は データシート をご参照ください。
主な用途
STM32F103ZDT6 の用途: 6 件s: USB Data-Acquisition Controller, CAN-Connected Industrial Control, Motor-Control Peripheral, USB Communication Gateway, Multi-Channel Analog Monitoring, Factory Automation Node.
USB Data-Acquisition Controller
The STM32F103ZDT6 fits USB data-acquisition equipment because its 72 MHz Arm Cortex-M3 core can process acquisition-control logic while its verified 384 KB of Flash stores firmware, USB routines, and protocol code. Three ADCs provide analog measurement channels, while the 13 communication interfaces broaden the options for sensors and external modules. The 144-pin LQFP also exposes the high-density device's extensive I/O, making it practical for boards combining analog inputs, USB connectivity, status indicators, and communications peripherals. Compared with a smaller MCU package, the tradeoff is a 20 mm by 20 mm board footprint and more demanding high-density PCB routing.
おすすめ
CAN-Connected Industrial Control
The STM32F103ZDT6 is suitable for CAN-connected industrial control because the manufacturer explicitly identifies CAN support and describes the device for motor-control and communications applications. Its 72 MHz Cortex-M3 core can execute control algorithms, while 11 timers support periodic timing functions and three ADCs support analog process inputs. The 384 KB Flash capacity is useful for CAN protocol handling and application firmware. The same 144-pin LQFP footprint makes the STM32F103ZCT6, STM32F103ZET6, and STM32F103ZDH6 potential board-level alternatives, provided memory capacity and temperature requirements are checked before qualification.
おすすめ
Motor-Control Peripheral
The STM32F103ZDT6 fits motor-control peripheral designs because STMicroelectronics identifies motor control as a target application for the STM32F103ZD line. Its 11 timers provide resources for timing-intensive control functions, while three ADCs support current, position, or feedback-signal acquisition. The 72 MHz Arm Cortex-M3 core can execute the control loop, and the 384 KB Flash provides room for driver code and parameter handling. Compared with a lower-pin-count MCU, the 144-pin LQFP simplifies access to the high-density family's GPIO and peripheral resources but requires careful escape routing and a larger PCB area.
おすすめ
USB Communication Gateway
The STM32F103ZDT6 can act as a USB communication gateway by combining a 72 MHz Arm Cortex-M3 processor, 384 KB of Flash, USB support, and the family's 13 communication interfaces. Firmware can bridge USB traffic to another serial or industrial interface without relying on a higher-cost application processor. The high-density 144-pin LQFP provides ample external connectivity for multiple interface peripherals, while three ADCs and 11 timers remain available for local monitoring and periodic tasks. The main design cost is board density: designers should reserve adequate escape routing and thermal copper around the 20 mm by 20 mm package.
おすすめ
Multi-Channel Analog Monitoring
The STM32F103ZDT6 is applicable to multi-channel analog monitoring because the verified family data identifies three ADCs, 11 timers, and 13 communication interfaces. Its 72 MHz Cortex-M3 core can service sampling, filtering, threshold, and data-transfer routines, while 384 KB of Flash accommodates monitoring firmware and communication protocols. The 144-pin LQFP package gives a monitoring system access to the high-density family's larger pin count, which is useful when multiple sensor inputs and status outputs must be routed. Designers should compare actual ADC resolution, sampling rate, and channel mapping in the manufacturer datasheet because those individual values are [DATA_NEEDED] in the supplied records.
おすすめ
Factory Automation Node
The STM32F103ZDT6 fits factory automation nodes that combine local control with USB or CAN communication. The 72 MHz Cortex-M3 core can process machine-control tasks, 11 timers can coordinate periodic operations, and the 13 communication interfaces support integration with sensors, actuators, and service ports. Its 384 KB Flash is sufficient for structured control firmware when validated against the final application. The high-density 144-pin LQFP provides access to numerous I/O options but occupies considerably more board area than 48-pin or 64-pin devices, making it most appropriate when the design genuinely needs the STM32F103ZD family's peripheral and pin resources.
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: STM32F103ZDT6 — 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 | STM32F103ZCT6 | STM32F103ZET6 | STM32F103ZDH6 | GD32F103ZDT6 |
|---|---|---|---|---|---|
| Package | 144-pin LQFP (20 mm x 20 mm) | 144-pin LQFP (20 mm x 20 mm) | 144-pin LQFP (20 mm x 20 mm) | 144-pin LQFP (20 mm x 20 mm) | 144-pin LQFP (20 mm x 20 mm) |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | GigaDevice |
| Processor Core | Arm Cortex-M3 | Arm Cortex-M3 | Arm Cortex-M3 | Arm Cortex-M3 | Arm Cortex-M3 |
| Flash Memory | 384 KB | 256 KB | 512 KB | 384 KB | 384 KB |
主な差別化要因
- Balanced 384 KB Flash configuration within the STM32F103 density range （vs STM32F103ZCT6)
- Lower Flash capacity than the E-density family option （vs STM32F103ZET6)
- Established STMicroelectronics ecosystem and Active Mainstream product status （vs GD32F103ZDT6)
- High-density peripheral integration without increasing the package class （vs STM32F103ZDH6)
設計ノート
Plan the 144-pin LQFP layout around the 20 mm by 20 mm footprint before assigning board-level functions. Reserve fanout for the device perimeter, maintain manufacturer-recommended land geometry, and verify paste volume and solderability with the actual PCB process. Because the MCU supplies many external signals, complete pin multiplexing and alternate-function review before routing; a mechanically compatible package does not by itself prove that every peripheral signal can be routed identically after an alternative swap.
Separate analog and digital supply requirements during power planning, using the manufacturer datasheet to determine which pins belong to VDD, VDDA, VSS, and VSSA. Verify 2.5 V/3.3 V compatibility with USB, CAN, and attached peripherals before finalizing the rails. Place required bypass capacitors close to their associated supply pins with short return paths; capacitor values and stability requirements are [DATA_NEEDED: recommended input and output capacitance] and must not be inferred from the family overview.
Do not treat GD32F103ZDT6 as an unconditional substitute. The verified P2P evidence supports pin and software compatibility, but it also explicitly calls for review of disclosed differences. Before production use, compare clock startup, timer behavior, USB and CAN operation, analog performance, reset behavior, and toolchain support. Run the existing firmware on the proposed second source and include worst-case timing, brownout, and peripheral regression tests in the qualification plan.
Preserve the expected crystal, reset, and debug connectivity in the STM32F103 layout. Keep high-speed communication traces away from sensitive analog inputs, route clocks with short and continuous paths, and provide a low-impedance ground plane. USB and CAN interfaces also require careful return-path and termination planning according to their respective standards and transceiver designs. Exact crystal load capacitance and USB impedance values are [DATA_NEEDED] and should come from the final reference schematic and datasheet.
コンプライアンス情報
The supplied verified records do not explicitly state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. These fields remain unknown rather than being inferred from the product family or distributor listings.