STM32F103ZCT7 - 72MHz 256KB Cortex-M3 MCU | STMicroelectronics
料号： STM32F103ZCT7 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $12.95 | $12.95 |
| 10 | $11.8 | $118.00 |
| 100 | $10.45 | $1,045.00 |
| 500 | $8.9 | $4,450.00 |
| 1,000 | $7.65 | $7,650.00 |
STM32F103ZCT7 概述
What is an ARM Cortex-M3 microcontroller? An MCU combines a processor core, memory, and peripherals on one integrated circuit. The Cortex-M3 core provides a 32-bit instruction set and RISC-oriented embedded architecture, while the STM32F103 family integrates communication, timing, analog, and digital-control resources for applications spanning industrial equipment, communications, and mixed-signal control.
The STM32F103ZCT7 combines 72 MHz operation, 256 KB Flash, and a high pin count in one device. Verified distributor material also identifies the part as a 144-pin MCU and highlights USB, CAN, timer, ADC, and communication-interface resources. These peripherals make it suitable for systems combining control logic with protocol handling and analog measurement.
The STM32F103ZCT7 belongs to the STM32F103 high-density performance line. Its architecture supports connected embedded designs that need more GPIO and peripheral capacity than smaller STM32 packages. The 144-pin LQFP format provides extensive external connectivity, while the Cortex-M3 platform supports established embedded software tooling and real-time control workloads.
Typical applications include industrial controllers, USB-connected peripherals, CAN-based equipment, data-acquisition systems, timer-driven control platforms, and embedded communications equipment. In these systems, the microcontroller can coordinate sensors, actuators, protocol transceivers, and human-interface or debug connections through its broad pin and peripheral set.
A key design consideration is supply and decoupling planning. The verified data identifies 2.5 V and 3.3 V device variants, but detailed voltage ranges, pin-level electrical limits, clock configuration, memory map, and exact peripheral ratings were not supplied here and should be confirmed in the manufacturer datasheet before layout or firmware release. Firmware migration also requires validation of startup files, peripheral behavior, timing, and toolchain support.
This page combines verified distributor specifications, practical application context, package constraints, and sourcing guidance for engineers evaluating the STM32F103ZCT7. It is designed to make technical comparisons faster while clearly separating confirmed data from parameters that require datasheet verification.
直接替换替代料： STM32F103ZCT7 ——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： STM32F103ZCT7 （相同外形与封装尺寸） ——差异在于 Flash Organization, Mounting Type, Package.
快速对比工具——选择替代料号进行并排对比：
GD32F103ZCT6
✅ 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）
GD32F103RCT6
✅ 直接替换📋 参考替代料（不在目录中）
STM32F103ZBT7
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
STM32F103ZDT7
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
STM32F103ZCT7 最大额定值与电气特性
| Product Type | 32-bit ARM Cortex-M3 microcontroller |
| 最大时钟频率 | 72 MHz |
| Flash Memory | 256 KB |
| Flash Organization | 256K x 8 bits |
| Processor Architecture | ARM Cortex-M3 |
| Instruction Width | 32-bit |
| 封装 | 144-pin LQFP |
| Supply Voltage Variant | 2.5 V / 3.3 V |
| Communication Interfaces | 13 communication interfaces |
| Timers | 11 timers |
| ADC Resources | 3 ADCs |
| USB Support | USB |
| CAN Support | CAN |
| Application Focus | Mixed-signal and timer-driven control |
| 安装类型 | Surface-mount LQFP |
STM32F103ZCT7 144-pin lqfp 引脚配置指南
STM32F103ZCT7（144-pin lqfp 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： STM32F103ZCT7.
请参阅 数据手册 以查看完整引脚配置。
典型应用
STM32F103ZCT7 适用于 6 应用s: Industrial Control Systems, CAN-Connected Equipment, USB-Connected Embedded Products, Data-Acquisition and Monitoring, Timer-Driven Motor and Actuator Control, Human Interface and Embedded Networking Gateway.
Industrial Control Systems
STM32F103ZCT7 fits industrial controllers that combine real-time control with multiple external signals. Its verified 72 MHz Cortex-M3 core provides computational headroom for control logic, while the 144-pin LQFP package exposes a large number of connections for digital inputs, outputs, actuators, and status indicators. The family’s 11 timers and 3 ADCs are useful for periodic sequencing, sensing, and mixed-signal monitoring. A practical design would use dedicated CAN or network transceivers where required, isolated interfaces where required by the installation, and careful grounding between high-current actuator paths and low-level measurement circuits.
推荐
CAN-Connected Equipment
The STM32F103ZCT7 is suitable for CAN-connected embedded equipment because the verified STM32F103 family listing identifies CAN support and a broad set of communication interfaces. The MCU can manage a communications protocol while timers handle periodic scheduling and ADCs provide local analog monitoring. In a practical node, the STM32F103ZCT7 would connect through a suitable CAN transceiver rather than directly to a bus. Board design must account for transceiver supply, termination, isolation requirements, common-mode voltage, ESD protection, and firmware timing. Because the supplied data does not specify CAN mode, baud-rate range, or transceiver pin mapping, those values must be taken from the official datasheet and selected transceiver documentation.
推荐
USB-Connected Embedded Products
STM32F103ZCT7 can support USB-connected embedded products because USB is explicitly identified in the verified family description. The 72 MHz Cortex-M3 core is appropriate for combining protocol handling with application logic, while the 144-pin package leaves ample I/O for user controls, indicators, sensors, and external actuators. The USB implementation should be designed with the correct connector, protection, routing, and power-supply strategy for the target product. USB speed, device or host role, endpoint count, and exact alternate-function pins are not included in the supplied data and must be verified from the manufacturer datasheet before schematic capture.
推荐
Data-Acquisition and Monitoring
The verified STM32F103 family resources of 3 ADCs and 11 timers make STM32F103ZCT7 a reasonable platform for data-acquisition and monitoring equipment. The high pin count can reduce multiplexing pressure when several sensors, amplifiers, and digital interfaces must coexist. ADCs can be paired with external signal conditioning while timers provide periodic sampling, filtering windows, or trigger coordination. The supplied information does not specify ADC resolution, input count, sample rate, reference voltage, or analog input impedance, so those details must be confirmed before selecting sensor amplifiers or defining measurement accuracy. Layout should separate analog and digital return paths and provide local decoupling near the MCU supply pins.
推荐
Timer-Driven Motor and Actuator Control
STM32F103ZCT7 fits timer-driven control platforms where the MCU must coordinate multiple timing events and external actuators. The verified 72 MHz operating point provides processing capacity for scheduling and supervisory logic, while 11 timers support the family’s broad timing resource set. A practical motor-control system would also require power transistors, gate drivers, current sensing, protection, and a defined safety strategy. The supplied data does not identify timer channel counts, PWM frequency limits, encoder interfaces, or motor-control peripherals, so engineers must verify those details in the manufacturer datasheet. Use independent hardware shutdown paths where a software fault could otherwise leave an actuator energized.
推荐
Human Interface and Embedded Networking Gateway
The STM32F103ZCT7 is suitable for embedded gateways that connect local controls to USB, CAN, or other communication interfaces. Its 144-pin LQFP package provides a high pin count for status LEDs, buttons, displays, configuration interfaces, and external protocol converters. The Cortex-M3 core and verified family peripherals allow application firmware, protocol handling, and supervisory control to share one device. A production design should include watchdog behavior, boot protection, firmware update strategy, connector protection, and defined recovery behavior after communication faults. The verified data does not include security peripherals or exact memory protections, so those requirements must be reviewed before exposing the device to untrusted networks.
推荐
推荐产品汇总
工程参考数据： STM32F103ZCT7 ——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 | GD32F103ZCT6 | GD32F103ZET6 | GD32F103RCT6 | STM32F103ZBT7 |
|---|---|---|---|---|---|
| Brand | STMicroelectronics | GigaDevice | GigaDevice | GigaDevice | STMicroelectronics |
| Package | 144-pin LQFP | 144-pin LQFP | 144-pin LQFP | 144-pin LQFP | 144-pin LQFP |
| Processor Core | ARM Cortex-M3 | Cortex-M3 family migration candidate | Cortex-M3 family migration candidate | Cortex-M3 family migration candidate | STM32F103 family |
关键差异点
- Established STMicroelectronics STM32F103 platform with a verified 72 MHz Cortex-M3 configuration （对比 GD32F103ZCT6)
- High-density 144-pin LQFP interface capacity （对比 STM32F103ZBT7)
- Verified integrated connectivity for embedded control （对比 GD32F103RCT6)
设计说明
Use the verified 2.5 V and 3.3 V device-variant information as the starting point, then confirm the exact operating and absolute-maximum voltage ranges in the manufacturer datasheet. Place the required supply and bypass capacitors close to the corresponding power pins, with separate return paths for digital and analog loads. High-current actuators should not share narrow supply traces with sensitive measurement circuitry; use local regulation or filtering where the load can create large transients.
The 144-pin LQFP footprint gives the design many signals, but pin assignment must be checked against the official STM32F103ZCT7 pinout rather than inferred from package size. Reserve oscillator, reset, programming, power, ground, and debug connections according to the manufacturer recommendations. Confirm the mechanical drawing, pin pitch, body dimensions, and land pattern before fabrication, and maintain clearance between high-current switching paths and analog ADC inputs.
Do not treat a similar STM32F103 or GD32F103 order code as a drop-in substitute solely because the names are similar. Verify Flash size, SRAM, voltage range, temperature grade, pin multiplexing, USB and CAN behavior, timers, ADCs, clock limits, and firmware startup requirements. The supplied migration material reports GD32F103 compatibility potential and a 108 MHz versus 72 MHz difference, so timing and peripheral behavior should be revalidated before production release.
The verified data identifies USB, CAN, 11 timers, 3 ADCs, and 13 communication interfaces, but it does not provide complete operating details for each peripheral. Confirm alternate-function mapping, interrupt priorities, DMA behavior, timer channel assignments, and communication electrical requirements in the official documentation. Add a recovery path for firmware faults and use a hardware shutdown mechanism for actuators so a software failure cannot create an unsafe energized state.
合规信息
The supplied verified data does not state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. Obtain current compliance documentation from STMicroelectronics or an authorized distributor for the exact orderable MPN.
