STM32F103ZET7 - 72MHz Cortex-M3 512KB MCU | STMicroelectronics
料号： STM32F103ZET7 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 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 概述
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.
直接替换替代料： STM32F103ZET7 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： STM32F103ZET7 （相同外形与封装尺寸） ——差异在于 Package, Mounting Type, Communication Interfaces, Core, Flash Organization.
快速对比工具——选择替代料号进行并排对比：
STM32F103ZET6TR
✅ 直接替换📋 参考替代料（不在目录中）
GD32F103ZET6
✅ 直接替换📋 参考替代料（不在目录中）
GD32F103ZET7
✅ 直接替换📋 参考替代料（不在目录中）
AT32F403ARGT7
✅ 直接替换✓ 有现货
$0.9 / 个
查看数据手册 →STM32F103ZCT7
✅ 直接替换✓ 有现货
$7.65 / 个
查看数据手册 →STM32F103ZET7 最大额定值与电气特性
| 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 |
| 封装 | 144-LQFP |
| Package Body Size | 20 mm x 20 mm |
| 安装类型 | Surface Mount |
| Core | ARM Cortex-M3 |
| MCU Family | STM32F1 high-density performance line |
| Flash Organization | 512K x 8 |
STM32F103ZET7 20 mm x 20 mm 引脚配置指南
STM32F103ZET7（20 mm x 20 mm 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： STM32F103ZET7.
请参阅 数据手册 以查看完整引脚配置。
典型应用
STM32F103ZET7 适用于 6 应用s: 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.
推荐
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.
推荐
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.
推荐
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.
推荐
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.
推荐
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.
推荐
推荐产品汇总
工程参考数据： STM32F103ZET7 ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | 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 |
关键差异点
- 72 MHz Cortex-M3 performance （对比 GD32F103ZET6)
- 512 KB Flash configuration （对比 STM32F103ZCT7)
- Integrated communication set （对比 AT32F403A)
设计说明
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.
合规信息
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.
