STM32F103R8H7 - 72MHz Cortex-M3 64KB MCU | STMicroelectronics
MPN: STM32F103R8H7 ✓ AktifSTM32F103R8H7 Ringkasan
A microcontroller is a programmable semiconductor that integrates a processor core, memory, peripherals, and I/O into one device. The STM32F103R8H7 is specifically an embedded microcontroller, a member of the Arm Cortex-M microcontroller family within the broader semiconductor and embedded-control hierarchy. Its combination of moderate Flash capacity, numerous I/O, and integrated analog and communications peripherals makes it suitable for compact control systems that require more processing capability than a basic 8-bit controller.
Key features include an Arm Cortex-M3 core operating at 72 MHz, 64 KB of Flash memory, 51 I/O pins, and two 12-bit ADC channels according to the available product records. The peripheral set includes three general-purpose 16-bit timers plus one PWM timer, I²C, USART, Serial Wire Debug, JTAG, a CRC calculation unit, and a 96-bit unique ID. These integrated resources reduce the number of external components needed for embedded sensing, communications, and timing functions.
The STM32F103 architecture uses a single-cycle 32-bit Arm Cortex-M3 RISC core. Its integrated flash stores the application firmware, while the peripheral arrangement supports simultaneous control, communication, and analog measurement tasks. Sleep, Stop, and Standby operating modes are identified in the available datasheet records, allowing firmware to balance responsiveness against power consumption in embedded designs.
Typical applications include industrial control modules, motor-control and instrumentation equipment, communication-enabled embedded products, and compact automation controllers. The 51 available I/O support digital peripherals and external interfaces, while the 12-bit ADC supports analog measurement. For designs needing direct motor regulation, the timer and PWM resources provide suitable foundations for deterministic actuator control when configured with the appropriate firmware.
The primary design consideration is package-specific PCB implementation. Because this orderable MPN uses a 64-TFBGA 5x5 mm package rather than the more common STM32F103R8T6 LQFP variant, PCB land patterns, assembly processes, and thermal design must match the TFBGA footprint exactly. Firmware compatibility does not by itself establish hardware interchangeability, so pin assignment and peripheral configuration should be reviewed against the selected package.
This page consolidates the supplied manufacturer and distributor records, identifies the package-specific sourcing constraints, and separates directly relevant electrical facts from data still requiring confirmation. It also provides engineering-focused application guidance and an explicit explanation of why verified drop-in alternatives are limited for this uncommon TFBGA ordering code.
Alternatif penggantian untuk STM32F103R8H7 — paket yang sama, pin-pada-pin kompatibel. Bagian paket yang berbeda memerlukan kerja ulang PCB diabaikan.
STM32F103R8H6
✅ Drop-In ⚠️ Spesifikasi Tidak DisahkanKontak untuk harga
Lihat Datasheet →STM32F103R8H7 Rating Maksimal & Karakteristik Listrik
| Product Type | 32-bit ARM microcontroller |
| Processor Core | Arm Cortex-M3 |
| Frekuensi Bawah Maximum | 72 MHz |
| Program Memory Size | 64 KB Flash (64K x 8) |
| Number of I/O Pins | 51 pins |
| ADC Resolution | 12-bit |
| ADC Configuration | 2 x 12-bit ADC |
| General-Purpose Timers | 3 x 16-bit general-purpose timers |
| PWM Timer | 1 x PWM timer |
| Serial Interfaces | I²C and USART |
| Debug Interfaces | Serial Wire Debug and JTAG |
| Unique Device ID | 96-bit unique ID |
| CRC Engine | CRC calculation unit |
| Low-Power Modes | Sleep, Stop, and Standby |
| Paket | 64-TFBGA (5x5 mm) |
| Tipe Mounting | Surface Mount |
| Rentang Suhu Kerja | -40°C to 105°C (TA) |
| Status Lingkungan Hidup | Active |
STM32F103R8H7 64-tfbga (5x5 mm) Diamant Konfigurasi Panduan
Konfigurasi pin untuk STM32F103R8H7 (64-tfbga (5x5 mm) pakai pakai). IC digital ini termasuk GPIO, antarmuka komunikasi (UART, SPI, I2C), dan pin kuasa. Lihat datasheet produsen untuk fungsi pin alternatif dan opsi konfigurasi. Penting untuk desain sistem pengemasan dan PCB.
Tidak ada data diatribut pin yang tersedia untuk STM32F103R8H7.
Lihat ke: datasheet produk untuk konfigurasi pin penuh.
Aplikasi Umum
STM32F103R8H7 cocok untuk 6 aplikasis: Industrial Automation Controller, Motor Control and PWM, Communication Gateway Module, Precision Data Acquisition, Consumer Accessory Controller, Diagnostic and Measurement Instrument.
Industrial Automation Controller
The STM32F103R8H7 fits compact industrial automation modules because its 72 MHz Arm Cortex-M3 core provides deterministic control throughput, while 51 I/O and 16-bit timers support sensors, status indicators, relays, and actuator inputs. Two 12-bit ADC channels enable direct analog supervision of process variables. The device can be placed between field interfaces and a higher-level controller using USART or I²C. Its 64-TFBGA 5x5 mm footprint reduces board area, but the design must provide fine-pitch assembly, verified power and ground distribution, and industrial temperature margin across the full -40°C to 105°C specified range.
Direkomendasikan
Motor Control and PWM
The STM32F103R8H7 is suitable for compact motor-control and actuator modules because its timer resources include three general-purpose 16-bit timers plus one PWM timer. These blocks support periodic timing, capture functions, and adjustable PWM output for motor drives, valves, or heaters. The 72 MHz Cortex-M3 core can combine control calculations with USART-based command reception and I²C sensor access. Engineering validation should cover timer-clock derivation, dead time, current feedback, and overcurrent protection. The small 64-TFBGA package helps reduce controller size, although exposed-pad heat spreading and copper layout become important when power semiconductors dissipate heat nearby.
Direkomendasikan
Communication Gateway Module
The STM32F103R8H7 can serve as the protocol-processing core of a small communication gateway because it combines a 72 MHz Arm Cortex-M3 core with USART, I²C, and JTAG or Serial Wire Debug connectivity. A typical design can host a serial radio or local network interface, interpret incoming commands, and forward status through another peripheral. The 51 GPIO pins provide device selection, interrupt, and control-line resources. Firmware must fit within the confirmed 64 KB Flash capacity, while stack sizing and memory use require confirmation from the full STM32F103R8 datasheet. The 64-TFBGA footprint is advantageous for compact gateways but requires assembly and inspection processes capable of handling its pitch.
Direkomendasikan
Precision Data Acquisition
The STM32F103R8H7 is useful in compact data-acquisition equipment where two 12-bit ADC channels, 51 I/O, and a 72 MHz Cortex-M3 core provide a practical balance of measurement and control capability. The ADCs can acquire temperature, pressure, potentiometer, or industrial process signals, while timers can establish sampling intervals and USART can transfer records to a host. Source impedance, acquisition time, reference stability, and analog grounding require review against the complete ADC specification. The 64-TFBGA 5x5 mm package reduces board area, but analog and digital return paths should be separated carefully to prevent switching and ADC sampling noise from degrading measurements.
Direkomendasikan
Consumer Accessory Controller
The STM32F103R8H7 can support compact consumer accessories that require coordinated button, indicator, sensor, and serial-control functions. Its 51 I/O leaves room for multiple digital inputs and outputs, while the timer set supports display refresh, key scanning, and PWM-based indicator control. USART or I²C can connect a sensor or accessory controller, and the 64 KB Flash limit should be checked against application code and boot requirements. The 64-TFBGA package minimizes product size but can raise assembly and rework costs. Before production, verify that the fine-pitch BGA layout has appropriate thermal-via and solder-mask provisions under the selected assembly process.
Direkomendasikan
Diagnostic and Measurement Instrument
The STM32F103R8H7 is applicable to compact diagnostic instruments that combine signal acquisition, control, and communications. Two 12-bit ADC channels can process sensor inputs, the 72 MHz core can execute filtering and calibration routines, and USART provides a simple interface to a display, computer, or service connector. Timer resources can establish measurement windows or generate test stimuli. The 64-TFBGA 5x5 mm package supports compact handheld and panel-mounted designs, although analog reference quality and power-supply layout will strongly influence measurement repeatability. Firmware and RAM budgeting should be completed from the full datasheet because only the confirmed 64 KB Flash capacity is available in the supplied records.
Direkomendasikan
Ringkasan Produk Direkomendasikan
Data referensi engineering untuk STM32F103R8H7 — pembandingan, panduan desain, dan informasi konformitas.
Panduan Pemilihan
Pembandingan dengan Alternatif
| Parameter Umum | Produk Ini | STM32F103R8H6 |
|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics |
| Package | 64-TFBGA (5x5 mm) | 64-TFBGA (5x5 mm) |
| Processor Core | Arm Cortex-M3 | Arm Cortex-M3 |
| Maximum Clock Frequency | 72 MHz | 72 MHz |
| Program Memory Size | 64 KB Flash (64K x 8) | 64 KB Flash (64K x 8) |
| Number of I/O Pins | 51 pins | 51 pins |
| ADC | 2 x 12-bit ADC | 2 x 12-bit ADC |
| Operating Temperature Range | -40°C to 105°C (TA) | -40°C to 85°C (TA) |
| Timers | 3 x 16-bit general-purpose timers plus 1 PWM timer | 3 x 16-bit general-purpose timers plus 1 PWM timer |
| Serial Interfaces | I²C and USART | I²C and USART |
Diferensiator Kunci
- Expanded ambient-temperature capability (vsSTM32F103R8H6)
- Compact 64-TFBGA implementation (vsSTM32F103R8T6)
- Control and communications integration (vsSTM32F103R8H6)
Catatan Desain
Treat the STM32F103R8H7 as a 64-TFBGA device and design specifically for that land pattern, not for the STM32F103R8T6 LQFP footprint. Confirm ball assignments, exposed-pad requirements, via-in-pad policy, solder-mask clearances, and the board assembler’s fine-pitch capability before release. The 5x5 mm package reduces board area, but its assembly process and inspection requirements can outweigh that saving in low-volume production.
Plan the power tree only after obtaining the exact STM32F103R8 supply-voltage and current-consumption limits from the complete manufacturer datasheet. Provide local bulk and high-frequency bypass capacitance according to those limits, and route power and ground connections to minimize loop area. Account for I/O current, ADC reference loading, peripheral activity, and startup demand rather than sizing the regulator from the nominal core frequency alone.
Keep analog inputs and the ADC reference away from switching nodes, high-current motor paths, and crystal-clock routing. Provide a quiet ground reference for analog measurements and follow the family datasheet’s recommended external component placement. If using a 64-TFBGA exposed pad, implement the recommended thermal-via pattern and preserve enough copper area for heat spreading without compromising assembly yield.
Do not substitute STM32F103R8T6 for the H7 on an existing PCB; the package and land pattern differ. Likewise, the H6 has a lower 85°C maximum ambient temperature than the H7’s 105°C rating. Before any substitution, verify the exact orderable suffix, BGA ball map, exposed-pad connection, clock setup, firmware image, and application temperature margin.
Informasi Konformitas
No RoHS, REACH, lead-free, halogen-free, conflict-minerals, or AEC-Q100 qualification evidence was included in the supplied verified data. AEC-Q100 is recorded as not_applicable because the available product information identifies an industrial-temperature STM32F103 device rather than an automotive-qualified ordering variant.
