STM32F103ZET7 - 72MHz Cortex-M3 512KB MCU | STMicroelectronics
N.º da peça: STM32F103ZET7 ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $10.47 | $10,47 |
| 10 | $9.62 | $96,20 |
| 100 | $8.74 | $874,00 |
| 500 | $7.91 | $3.955,00 |
| 1.000 | $7.28 | $7.280,00 |
STM32F103ZET7 Visão geral
A microcontroller is a programmable system-on-chip that integrates a processor core, memory, peripherals, and communication interfaces on one semiconductor device. The STM32F1 family combines an ARM Cortex-M3 RISC core with embedded control peripherals, making it suitable for industrial equipment, data acquisition, communications, motor control, and embedded automation. Its 32-bit architecture supports efficient control tasks and higher processing performance than many 8-bit or 16-bit alternatives.
The STM32F103ZET7 provides 512 KB of Flash for firmware and 2.5 V/3.3 V operation as identified in the verified distributor and datasheet listings. Its feature set includes USB, CAN, 11 timers, 3 ADCs, and 13 communication interfaces. These resources allow one controller to coordinate analog measurement, timing, communication protocols, and control outputs while reducing the number of discrete components in a design.
The device is identified as a 144-LQFP 20 mm x 20 mm surface-mount package. Its high pin count supports broad peripheral access and makes the STM32F103ZET7 useful for designs requiring numerous I/O functions, communications, and motor-control signals. The verified listing identifies the part as a 32-bit Cortex-M3 MCU with 72 MHz operation and 512 KB Flash memory.
Typical applications include industrial control systems, IoT devices, embedded automation, motor control, metering equipment, USB-connected instrumentation, CAN-based nodes, and low-power embedded boards. Firmware selection should verify clock configuration, peripheral pin assignments, memory mapping, and the STM32F1 reference manual requirements before production release.
This page combines verified manufacturer and distributor information with structured engineering guidance. Pricing, availability, lifecycle status, detailed electrical limits, and complete pin naming are not fully supplied in the retrieved data and must be confirmed against current manufacturer or distributor documentation before purchase or design approval.
Alternativas drop-in para STM32F103ZET7 — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com STM32F103ZET7 (mesmo formato e footprint) — diferindo em Package, Mounting Type, Communication Interfaces, Core, Flash Organization.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
STM32F103ZET6TR
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
GD32F103ZET6
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
GD32F103ZET7
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
AT32F403ARGT7
✅ Drop-In✓ Em estoque
$0.9 / unidade
Ver ficha técnica →STM32F103ZCT7
✅ Drop-In✓ Em estoque
$7.65 / unidade
Ver ficha técnica →STM32F103ZET7 Classificações máximas e características elétricas
| Product Type | 32-bit ARM Cortex-M3 microcontroller |
| Maximum Operating Frequency | 72 MHz |
| Architecture | 32-bit RISC |
| Embedded Flash Memory | 512 KB |
| Operating Voltage | 2.5 V/3.3 V |
| Timer Count | 11 timers |
| ADC Count | 3 ADCs |
| Communication Interface Count | 13 communication interfaces |
| USB Interface | USB |
| CAN Interface | CAN |
| Encapsulamento | 144-LQFP |
| Package Body Size | 20 mm x 20 mm |
| Tipo de montagem | Surface Mount |
| Core | ARM Cortex-M3 |
| MCU Family | STM32F1 high-density performance line |
| Flash Organization | 512K x 8 |
Guia de Configuração de Pinos do STM32F103ZET7 20 mm x 20 mm
Configuração de pinos para STM32F103ZET7 (pacote 20 mm x 20 mm). Este CI digital inclui GPIO, interfaces de comunicação (UART, SPI, I2C) e pinos de alimentação. Consulte o datasheet do fabricante para funções alternativas dos pinos e opções de configuração. Essencial para projeto de sistemas embarcados e layout de PCB.
Nenhum dado detalhado de pinagem disponível para STM32F103ZET7.
Consulte a ficha técnica para a configuração completa dos pinos.
Aplicações típicas
STM32F103ZET7 é adequado para 6 aplicaçãos: Industrial Automation Controller, USB Connected Test and Measurement Instrument, CAN-Based Motor Control, IoT Gateway and Sensor Hub, Metering and Data Acquisition System, Embedded Automation and Robotics.
Industrial Automation Controller
The STM32F103ZET7 fits industrial automation controllers that require deterministic embedded control alongside several communication paths. Its 72 MHz ARM Cortex-M3 core provides processing headroom, while 11 timers support timing and output-generation tasks. The verified 512 KB Flash capacity is useful for storing application firmware, configuration data, and communication logic. USB, CAN, and the stated 13 communication interfaces enable connection to sensors, operator interfaces, service tools, and networked automation equipment. A practical design should verify the exact peripheral pin assignments, isolated communication requirements, watchdog strategy, and industrial temperature requirements from the manufacturer documentation.
Recomendado
USB Connected Test and Measurement Instrument
The STM32F103ZET7 is suitable for USB-connected test and measurement equipment because the verified feature set includes USB and three ADCs. At 72 MHz, the Cortex-M3 core can coordinate acquisition control, digital filtering, calibration tables, and a USB communication stack, while 512 KB Flash provides room for embedded application code. The design should allocate separate analog and digital grounding, follow the ADC input and reference requirements in the datasheet, and isolate USB routing from sensitive measurement paths. The supplied information does not specify USB speed, ADC resolution, or converter performance, so those details require official verification.
Recomendado
CAN-Based Motor Control
The STM32F103ZET7 can serve in CAN-connected motor-control systems because the verified specifications identify CAN, 11 timers, and three ADCs. The timers can support PWM and timing functions, while the ADCs can measure analog feedback such as current or position-related signals. CAN enables supervisory commands, diagnostics, and coordination between a motor controller and higher-level equipment. The design must still validate complementary PWM behavior, pin mapping, protection shutdown paths, sensor signal conditioning, and motor-driver electrical limits. Do not infer ADC resolution or CAN electrical characteristics from the distributor summary.
Recomendado
IoT Gateway and Sensor Hub
The STM32F103ZET7 fits IoT gateway and sensor-hub designs that need local control, multiple serial interfaces, and USB or CAN connectivity. Its 72 MHz Cortex-M3 core can handle protocol processing and local decision-making, while the verified 512 KB Flash supports a larger firmware image than many smaller MCUs. The 13 communication interfaces and three ADCs can support sensor aggregation, digital interfaces, diagnostics, and gateway control tasks. Designers should verify the exact serial-interface mix, RAM capacity, pin multiplexing, low-power modes, and peripheral electrical limits from the manufacturer documentation before selecting the device.
Recomendado
Metering and Data Acquisition System
The STM32F103ZET7 is appropriate for metering and data-acquisition systems requiring repeated analog measurements, timing, communications, and local storage. Three ADCs provide the starting point for multiple analog channels, while 11 timers support sampling intervals and control waveforms. The 512 KB Flash capacity allows embedded firmware, lookup tables, calibration information, and protocol code to reside on-chip. The 144-LQFP package exposes a large number of signals for sensors, displays, communication transceivers, and status indicators. Verify ADC input impedance, reference accuracy, sampling requirements, calibration strategy, and electrical protection before implementation.
Recomendado
Embedded Automation and Robotics
The STM32F103ZET7 is a suitable controller for embedded automation and robotics where a board must combine deterministic timing, sensor acquisition, communications, and actuator control. Its 72 MHz ARM Cortex-M3 core provides processing capacity for control loops, state machines, and communication services, while 11 timers provide multiple timing resources. USB and CAN can support configuration, diagnostics, and coordination with external equipment. The design must validate pin multiplexing, motor-driver timing, emergency-stop behavior, watchdog operation, and environmental requirements. The retrieved data identifies suitable application domains but does not include safety certification or automotive qualification evidence.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para STM32F103ZET7 — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | STM32F103ZET6TR | GD32F103ZET6 | GD32F103ZET7 | AT32F403A | STM32F103ZCT7 |
|---|---|---|---|---|---|---|
| Package | 144-LQFP, 20 mm x 20 mm | 144-LQFP, 20 mm x 20 mm | 144-LQFP | 144-LQFP | 144-LQFP | 144-LQFP |
| Brand | STMicroelectronics | STMicroelectronics | GigaDevice | GigaDevice | Microchip Technology | STMicroelectronics |
Principais diferenciais
- 72 MHz Cortex-M3 performance (vs GD32F103ZET6)
- 512 KB Flash configuration (vs STM32F103ZCT7)
- Integrated communication set (vs AT32F403A)
Notas de projeto
The verified data identifies 2.5 V/3.3 V operation, but it does not provide the exact core-voltage and peripheral-supply limits. Confirm the STM32F103ZET7 operating-condition table before selecting regulators, decoupling, and power rails. Keep analog, digital, and reset-related return-current paths controlled, and verify the required bypass capacitors and maximum supply ramp conditions in the manufacturer documentation. Estimated calculations are intentionally avoided because the retrieved data does not provide all current or thermal limits.
Reserve the exact 144-LQFP 20 mm x 20 mm footprint only after checking the official package drawing and pin numbering. Place programming, reset, clock, and debug access without long unprotected traces, and route high-speed or communication signals away from noisy switching nodes. Because the supplied data does not include a complete pinout, do not release a PCB footprint or assign peripherals solely from distributor summaries; cross-check every signal against the exact datasheet revision.
Do not assume that a similarly named STM32 or GD32 device is a drop-in replacement without checking package pinout, alternate-function mapping, timer behavior, ADC implementation, communication peripherals, memory map, and firmware startup. The retrieved replacement sources identify GD32F103 and AT32F403A as alternatives, but the supplied results do not provide enough verified detail for a universal 144-LQFP substitution. Validate boot, interrupt vectors, timing, communications, and production firmware before release.
Use the manufacturer’s electrical and thermal limits to evaluate the LQFP package and board copper area. The retrieved data does not provide junction temperature, package thermal resistance, or maximum supply current, so no numerical thermal claim can be verified here. In a real design, estimate local dissipation from the actual clock rate, peripheral activity, IO loading, and supply voltage, then verify the junction temperature against the official limits. Keep unused inputs and unused power pins configured and terminated according to the datasheet.
Informações de conformidade
The retrieved distributor and datasheet listings identify the STM32F103ZET7 technical configuration but do not provide verified RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals statements. Confirm current compliance documents with STMicroelectronics.
