STM32F101RDT6 - 32-Bit 36MHz Cortex-M3 MCU | STMicroelectronics
MPN: STM32F101RDT6 ✓ نشطSTM32F101RDT6 نظرة عامة
A microcontroller is a programmable semiconductor device that combines a processor core, memory, timers, serial interfaces, analog conversion functions, and GPIO in one integrated circuit. The STM32F101RDT6 provides the processing foundation for industrial equipment, consumer appliances, data acquisition equipment, communication modules, and motor-control systems. Its ARM Cortex-M3 RISC architecture supports efficient control-loop execution while its two APB peripheral buses connect timers, serial interfaces, and other enhanced I/O resources.
Key device characteristics include a maximum 36 MHz operating frequency, 384 KB of Flash program memory, 48 KB of SRAM, one 12-bit ADC, four 12-bit timers, and a broad selection of communication interfaces. The 64-LQFP package exposes the full high-density pin complement, making the device suitable for designs that need numerous external connections rather than a minimal microcontroller footprint. The STM32F101xC, STM32F101xD, and STM32F101xE access-line family shares a common peripheral architecture across different memory densities.
The STM32F101RDT6 is based on the 32-bit ARM Cortex-M3 core and uses embedded Flash for firmware storage and SRAM for working memory. Two APB buses connect timers and communication peripherals, allowing the MCU to coordinate control functions without requiring extensive discrete logic. The integrated 12-bit ADC supports analog sensing, while the available timer resources support timing, pulse generation, and motor-control functions. The exact peripheral mix, operating limits, and electrical characteristics should be checked against the manufacturer datasheet for the specific order code.
Typical applications include industrial control panels, sensor and data-acquisition nodes, building equipment, communication controllers, access-control systems, and compact consumer devices. The 64-pin package provides enough I/O for external sensors, display or communication interfaces, actuators, and debugging or programming signals. A designer can use the STM32F101RDT6 in applications where deterministic real-time behavior and a broad peripheral set are more important than an extremely small package.
For PCB design, place the decoupling network close to the supply pins and route high-speed clocks and debug signals according to the manufacturer pin description and layout recommendations. Confirm the package dimensions, exposed thermal behavior, pin assignments, and electrical operating limits against the official STM32F101RD documentation before releasing a layout.
This product page consolidates the manufacturer’s device description, verified distributor records, package details, practical design guidance, and engineering-focused replacement analysis into one reference for MCU selection and board design.
بدائل مباشرة لـ STM32F101RDT6 — نفس الحزمة، متوافق دبوس بدبوس. تُستثنى القطع ذات الحزم المختلفة التي تتطلب تعديل PCB.
STM32F101RET6
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منها📋 بديل مرجعي (غير موجود في الكتالوج)
STM32F101RCT6
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منها📋 بديل مرجعي (غير موجود في الكتالوج)
STM32F101RBT6
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منها📋 بديل مرجعي (غير موجود في الكتالوج)
STM32F101RDT6 الحدود القصوى والخصائص الكهربائية
| Core | ARM Cortex-M3 32-bit RISC |
| Maximum CPU Frequency | 36 MHz |
| Flash Memory | 384 KB |
| SRAM | 48 KB |
| Program Memory Type | Embedded Flash |
| ADC Resolution | 12-bit |
| Number of ADCs | 1 |
| Timer Count | 4 |
| العلبة | 64-LQFP, 10 x 10 mm |
| Architecture | 32-bit |
| APB Peripheral Buses | 2 |
| Product Family | STM32F1 access line |
| نوع التركيب | Surface mount |
| حالة RoHS | RoHS compliant |
| حالة دورة الحياة | Active |
| Documentation Type | STM32F101RD product page and manufacturer datasheet |
دليل تكوين أطراف STM32F101RDT6 64-lqfp, 10 x 10 mm
تكوين الأطراف لـ STM32F101RDT6 (حزمة 64-lqfp, 10 x 10 mm). تتضمن هذه الدائرة المتكاملة الرقمية GPIO وواجهات الاتصال (UART وSPI وI2C) وأطراف الطاقة. راجع ورقة بيانات الشركة المصنعة لوظائف الأطراف البديلة وخيارات التكوين. ضرورية لتصميم الأنظمة المدمجة وتخطيط PCB.
لا تتوفر بيانات مفصلة لمخطط التوصيلات لـ STM32F101RDT6.
راجع ورقة البيانات للحصول على تكوين الأطراف الكامل.
التطبيقات النموذجية
STM32F101RDT6 مناسب لـ 6 التطبيقs: Industrial Control Panels, Data Acquisition and Sensor Nodes, Communication Equipment, Motor Control and Automation, Building and Access Equipment, Embedded Control and HMI.
Industrial Control Panels
The STM32F101RDT6 fits industrial control panels that require a fast 36 MHz ARM Cortex-M3 core, substantial firmware space, and numerous external connections. Its 384 KB of embedded Flash supports application logic, communications, configuration handling, and update routines, while 48 KB of SRAM provides working memory for control state and data buffers. The 64-LQFP package exposes a broad I/O complement for sensors, relays, status indicators, and serial modules. Two APB peripheral buses organize timer and communication resources, which helps separate time-critical control activity from general peripheral traffic. The final design should confirm the required operating-temperature range and isolation barriers where the controller interfaces with mains or high-energy equipment.
موصى به
Data Acquisition and Sensor Nodes
The STM32F101RDT6 is suitable for sensor and data-acquisition nodes because its integrated 12-bit ADC can digitize analog measurements while the Cortex-M3 core performs filtering, calibration, and protocol processing. At up to 36 MHz, the MCU provides enough execution capacity for supervisory control alongside real-time sampling. The 384 KB of Flash can hold a bootloader, signal-processing routines, and communication stacks, while the 64-LQFP package simplifies connection to external sensors and precision analog components. Designers should budget converter acquisition time and analog settling time separately, and should verify that the selected MCU and ADC accuracy meet the measurement specification.
موصى به
Communication Equipment
STM32F101RDT6 can act as the host controller in communication equipment where protocol processing, serial interfaces, timing functions, and firmware capacity matter. The 36 MHz Cortex-M3 core is suitable for command handling and packet processing, while four timers support baud-rate timing, pulse generation, or periodic control functions. Its 384 KB of Flash and 48 KB of SRAM provide room for networking stacks and message buffers without moving the central control function to an external processor. The 64-LQFP package makes it practical to connect the MCU to RS-232, RS-485, CAN, or other interface hardware while preserving a straightforward surface-mount layout.
موصى به
Motor Control and Automation
The STM32F101RDT6 can support motor-control and automation subsystems that require deterministic timing, embedded control logic, and flexible I/O. The four timers provide resources for input capture, output compare, encoder-related timing, or periodic motor functions, while the 12-bit ADC can monitor current or position feedback. With 384 KB of Flash and 48 KB of SRAM, the device can combine motion algorithms with supervisory communications in one package. The 64-LQFP footprint provides sufficient pin access for gate-driver and sensor connections, although an industrial motor design must separately verify electrical robustness, isolation, braking behavior, and functional-safety requirements.
موصى به
Building and Access Equipment
The STM32F101RDT6 is appropriate for electronic locks, access controllers, building equipment interfaces, and occupancy-system nodes that combine local control with network communication. Its 36 MHz Cortex-M3 core can supervise sensors, keypad inputs, display signals, relay drivers, and communication protocols, while the 384 KB of Flash supports multiple configuration profiles and logging functions. The high-density 64-LQFP package avoids the pin limitations of smaller controllers and supports a direct connection to external security or communication devices. Designers should account for power-loss behavior, secure update procedures, and any regulatory requirements specific to electronic access or building systems.
موصى به
Embedded Control and HMI
STM32F101RDT6 can serve as the control MCU in compact human-machine interfaces, appliance controllers, and embedded automation products. Its 384 KB of Flash accommodates display routines, touch or keypad scanning, state machines, logging, and communications, while 48 KB of SRAM supports display buffers and protocol processing. The 64-LQFP package provides a practical number of pins for display interfaces, buttons, indicators, actuators, and debug access. Because the device belongs to the STM32F1 access line, it is especially relevant to designs prioritizing broad embedded functionality and mature ARM Cortex-M3 software support rather than the highest available clock rate.
موصى به
ملخص المنتجات الموصى بها
بيانات مرجعية هندسية لـ STM32F101RDT6 — المقارنة وإرشادات التصميم ومعلومات الامتثال.
دليل الاختيار
المقارنة مع البدائل
| المعامل | هذا المنتج | STM32F101RET6 | STM32F101RCT6 | STM32F101RBT6 |
|---|---|---|---|---|
| Package | 64-LQFP (10x10) | 64-LQFP (10x10) | 64-LQFP (10x10) | 64-LQFP (10x10) |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| CPU Core | ARM Cortex-M3, 32-bit | ARM Cortex-M3, 32-bit | ARM Cortex-M3, 32-bit | ARM Cortex-M3, 32-bit |
| Maximum Frequency | 36 MHz | 36 MHz | 36 MHz | 36 MHz |
| Flash Memory | 384 KB | 512 KB | 256 KB | 128 KB |
| ADC | One 12-bit ADC | One 12-bit ADC | One 12-bit ADC | One 12-bit ADC |
| Timer Count | 4 | 4 | 4 | 4 |
| APB Peripheral Buses | 2 | 2 | 2 | 2 |
أبرز الفروقات
- Balanced 384 KB Flash configuration for STM32F1 designs (مقابلSTM32F101RCT6)
- More firmware headroom than the 256 KB RC variant (مقابلSTM32F101RCT6)
- Lower Flash capacity than the 512 KB RE variant (مقابلSTM32F101RET6)
ملاحظات التصميم
Place the MCU supply bypass capacitors immediately adjacent to the associated supply and ground pins, and follow the manufacturer’s recommended capacitor values and layout. Keep the 3.3 V digital supply path compact, provide adequate local bulk energy for switching peripherals, and avoid routing return current through long or narrow ground paths. Check brownout behavior and startup sequencing in the final power tree before production release.
Route the oscillator and debug-related signals with short, continuous paths and keep switching-node copper away from sensitive analog inputs. The STM32F101RDT6 exposes many peripheral signals on a 64-LQFP footprint, so assign pin multiplexing early in schematic design. Confirm every alternate-function pin, reset connection, boot configuration, and programming interface against the manufacturer pin description before the PCB is released.
Do not substitute a family member solely because the package pin count matches. Check Flash size, SRAM size, timer resources, peripheral availability, temperature grade, clock limits, and software device configuration. The STM32F101RCT6 has less Flash than the STM32F101RDT6, while the STM32F101RET6 has more; either direction can change firmware fitting, startup configuration, or board-level qualification.
The 64-LQFP package provides a practical thermal path through its leads, but final junction temperature depends on ambient temperature, copper area, airflow, and the switching activity of attached peripherals. Estimate the MCU power dissipation using the selected clock, peripheral activity, and supply voltage, then verify the worst-case operating condition in the mechanical assembly. Do not assume that the package rating alone guarantees adequate cooling.
معلومات الامتثال
RoHS compliance is identified in the available product information. REACH, AEC-Q100 qualification, lead-free status, halogen-free status, and conflict-minerals status are not stated for this exact order code.