STM32F103RGT6JTR - 72MHz Cortex-M3 1MB MCU | STMicroelectronics
Référence : STM32F103RGT6JTR ✓ ActifSTM32F103RGT6JTR Présentation
A microcontroller is a programmable semiconductor that integrates a processor core, memory, communication peripherals, timers, and input/output functions on one device. The STM32F103 family uses the ARM Cortex-M3 architecture within the wider hierarchy of 32-bit MCU, embedded controller, and embedded semiconductor. This combination makes the STM32F103RGT6JTR suitable for industrial controls, communication equipment, motor-control modules, and data-acquisition systems where local real-time control is required.
The principal device characteristics include an ARM Cortex-M3 core, a maximum operating frequency of 72 MHz, 32-bit processing, and 1 MB of Flash. The LQFP-64 package provides 64 externally accessible leads for power, clock, communications, timers, and general-purpose I/O. Tape-and-reel ordering indicated by the JTR suffix supports automated production and high-volume electronic manufacturing.
The STM32F103xG architecture is designed for control-oriented embedded applications. Its high-performance Cortex-M3 core executes instructions efficiently while integrated peripherals reduce the need for external interface devices. The 1 MB Flash capacity accommodates application code, configuration data, and protocol libraries, while the 72 MHz operating frequency supports responsive task scheduling and real-time control loops.
Typical applications include industrial automation controllers, CAN or RS-485 communication gateways, motor and motion-control boards, instrument panels, programmable logic controllers, and embedded data-acquisition units. The 64-pin package is particularly useful when a design requires more I/O than a smaller microcontroller package offers while retaining a widely used LQFP assembly footprint.
When laying out a design, preserve the pin assignments and decoupling requirements shown in the manufacturer datasheet, and validate all peripheral instances against the selected package variant. If firmware timing depends on the 72 MHz maximum clock, recheck clock-tree, Flash-wait-state, peripheral, and timing behavior after any alternative-device substitution rather than assuming binary or timing compatibility.
This product page combines the manufacturer’s family specifications with practical sourcing, comparison, and design guidance. It focuses on the exact STM32F103RGT6JTR orderable device while distinguishing documented same-package alternatives and highlighting the firmware and timing checks required when changing MCU suppliers.
Alternatives de remplacement direct pour STM32F103RGT6JTR — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec STM32F103RGT6JTR (même facteur de forme et même empreinte) — différant par Package, Series, Flash Memory, Communication Interfaces, SRAM.
STM32F103RGT6TR
✅ Remplacement direct ⚠️ Spécifications non vérifiéesContactez-nous pour le prix
Voir la fiche technique →STM32F103RGT7
✅ Remplacement directContactez-nous pour le prix
Voir la fiche technique →STM32F103RFT6TR
✅ Remplacement direct ⚠️ Spécifications non vérifiéesContactez-nous pour le prix
Voir la fiche technique →STM32F103RBT6TR
✅ Remplacement direct ⚠️ Spécifications non vérifiéesContactez-nous pour le prix
Voir la fiche technique →GD32F103RGT6
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
STM32F103RGT6JTR Valeurs maximales et caractéristiques électriques
| Product Type | 32-bit ARM Cortex-M3 microcontroller |
| Series | STM32F103xG XL-density performance line |
| Processor Core | ARM Cortex-M3 |
| Maximum CPU Frequency | 72 MHz |
| Word Size | 32 bit |
| Flash Memory | 1 MB |
| Flash Organization | 1M x 8 bit |
| Boîtier | 64-pin LQFP |
| Package Dimensions | 10 mm x 10 mm |
| Type de montage | Surface mount |
| Order Code Suffix | JTR |
Guide de configuration des broches du STM32F103RGT6JTR 10 mm x 10 mm
Configuration des broches du STM32F103RGT6JTR (boîtier 10 mm x 10 mm). Ce circuit intégré numérique comprend des GPIO, des interfaces de communication (UART, SPI, I2C) et des broches d'alimentation. Consultez la fiche technique du fabricant pour les fonctions alternatives des broches et les options de configuration. Indispensable pour la conception de systèmes embarqués et la conception de circuits imprimés.
Aucune donnée de brochage détaillée disponible pour STM32F103RGT6JTR.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
STM32F103RGT6JTR convient pour 6 applications: Industrial Automation Controller, CAN Communication Gateway, Motor Control and Motion System, Data Acquisition and Instrumentation, Programmable Logic Controller, Embedded Communications Module.
Industrial Automation Controller
The STM32F103RGT6JTR fits industrial automation controllers that combine deterministic control logic with several communication tasks. Its ARM Cortex-M3 core operates at up to 72 MHz, while 1 MB of Flash provides room for control software, protocol handlers, and configuration data. The 64-pin LQFP package offers more external connections than smaller controllers for digital I/O, communications, timers, and status indication. The device is used between field sensors and actuators, where local processing reduces latency and system complexity. Designers should allocate pins according to the exact package pinout and confirm peripheral multiplexing, electrical levels, and timing against the application requirements.
Recommandé
CAN Communication Gateway
The STM32F103RGT6JTR is well suited to protocol gateways that must move control data between embedded systems and higher-level equipment. Its 72 MHz Cortex-M3 core supports responsive protocol processing and concurrent communication tasks, and 1 MB of Flash can hold gateway firmware plus interface definitions. The 64-pin LQFP-64 package provides a practical balance between board area and available connections. In this design, the MCU acts as the central protocol controller, parsing incoming frames, maintaining local state, and forwarding validated data. Firmware must be tested at the intended bus rates and with the final transceiver, termination, isolation, and fault-recovery arrangement.
Recommandé
Motor Control and Motion System
The STM32F103RGT6JTR can serve as the controller in compact brushless DC, stepper, or general-purpose motion-control systems. A 72 MHz ARM Cortex-M3 core supports responsive control-loop execution, and 1 MB of Flash accommodates motion algorithms, parameter storage, and diagnostic routines. The 64-pin LQFP package provides access to multiple timer channels, communications, control inputs, and gate-driver interfaces. The MCU generates timing references, evaluates position or speed feedback, applies limits, and coordinates the power stage. Engineers must verify timer channel availability, pin assignments, ADC behavior, and electrical compatibility with the selected motor driver; firmware should include safe startup and disabled-output states.
Recommandé
Data Acquisition and Instrumentation
The STM32F103RGT6JTR is appropriate for embedded measurement instruments that digitize analog inputs, process results, and present data over a communications link. Its 72 MHz Cortex-M3 core handles sampling coordination, filtering, calibration, and protocol formatting, while 1 MB of Flash supports application code and lookup data. The 64-pin LQFP-64 package offers a practical number of connections for sensors, switches, displays, and external converters. Place the MCU close to the measurement circuitry and use clean grounding and reference routing to control analog-noise coupling. Confirm ADC characteristics and peripheral assignments in the manufacturer datasheet, and validate calibration behavior across the complete temperature and input range.
Recommandé
Programmable Logic Controller
The STM32F103RGT6JTR provides the processing capacity and memory needed for compact PLC and embedded logic-control modules. Its 72 MHz Cortex-M3 core executes deterministic scan tasks, while 1 MB of Flash can hold application logic, communication stacks, and runtime services. The 64-pin LQFP package supports field I/O, bus interfaces, status outputs, and service connections without forcing a very small package. In a PLC, the MCU executes ladder or task-based logic, monitors inputs, controls outputs, and reports operating conditions. Designers should determine whether the required architecture and I/O quantity fit the exact variant, then test startup, watchdog, fault-output, and field-bus recovery behavior in the final enclosure and power system.
Recommandé
Embedded Communications Module
The STM32F103RGT6JTR can form the control core of an embedded communications module that manages serial protocols, local configuration, and network-facing status. The Cortex-M3 core operates up to 72 MHz, providing sufficient instruction throughput for protocol handling and background maintenance, while 1 MB of Flash supports larger firmware images than low-density devices. Its 64-pin LQFP package allows integration of multiple interface options and local I/O on a compact module. The MCU may bridge a local bus, perform protocol conversion, or supervise a network interface. System validation should cover clock tolerance, bus loading, isolation boundaries, ESD protection, firmware update procedures, and recovery after communications faults or power loss.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour STM32F103RGT6JTR — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | STM32F103RGT6TR | STM32F103RGT7 | STM32F103RFT6TR | STM32F103RBT6TR | GD32F103RGT6 |
|---|---|---|---|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | GigaDevice |
| Package | 64-pin LQFP | 64-pin LQFP - same package | 64-pin LQFP - same package | 64-pin LQFP - same package | 64-pin LQFP - same package | 64-pin LQFP - same package |
| Processor Core | ARM Cortex-M3 | ARM Cortex-M3 | ARM Cortex-M3 | ARM Cortex-M3 | ARM Cortex-M3 | ARM Cortex-M3 |
| Maximum CPU Frequency | 72 MHz | 72 MHz | 72 MHz | 72 MHz | 72 MHz | 108 MHz |
| Word Size | 32 bit | 32 bit | 32 bit | 32 bit | 32 bit | 32 bit |
| Software Compatibility | STM32F103 software ecosystem | Same STM32F103 family | Same STM32F103 family | Same STM32F103 family | Same STM32F103 family | Documented software-compatible candidate; validation required |
Principaux différenciateurs
- Same-brand family continuity with a documented 1 MB configuration (vs STM32F103RFT6TR)
- Substantially more program memory than the lower-density B variant (vs STM32F103RBT6TR)
- Established 72 MHz timing baseline versus a 108 MHz cross-brand candidate (vs GD32F103RGT6)
- Closest same-brand ordering candidate (vs STM32F103RGT6TR)
Notes de conception
Assign the PCB footprint from the STM32F103RG mechanical drawing and place the 64-pin LQFP component according to the manufacturer land-pattern guidance. Confirm the JTR ordering variant against the pin-description table before releasing artwork. Keep traces for clock input, reset, boot mode, and debug signals short, and route decoupling capacitors directly to the appropriate supply and ground pins rather than through shared traces.
Use the STM32F103RG datasheet to select the operating-voltage range, regulator tolerance, and external components for every supply domain. Place bulk and local decoupling according to the reference circuit and keep switching-regulator layouts away from sensitive analog inputs. Verify brownout, startup, and clock behavior across the full power range. The MCU’s 72 MHz operating speed does not remove the need for a stable supply and correctly sized local decoupling.
Do not treat GD32F103RGT6 as a no-change substitution merely because the package and core architecture match. Its documented maximum frequency is 108 MHz rather than 72 MHz, so revisit Flash wait states, clock initialization, peripheral timing, startup behavior, and toolchain configuration. Recompile the firmware with the selected vendor support package and perform timing, communications, reset, and brownout tests before production release.
Protect clock, reset, and high-speed communication routes from noisy switching nodes and maintain continuous return paths beneath signals. Use appropriate series damping where edge-rate problems appear, and keep oscillator or clock-source components close to their assigned pins. Validate signal integrity with an oscilloscope or logic analyzer at the intended operating frequency, including production test points for debugging clock quality and reset behavior.
Informations de conformité
The manufacturer materials available for this device establish the device identity and family specifications but do not explicitly state the requested compliance fields.
