My Inquiry
My Account
STMicroelectronics STM32F102C8T6TR
- Part No.:
- STM32F102C8T6TR
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
STM32F102C8T6TR.pdf
- Description:
- IC MCU 32BIT 64KB FLASH 48LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,200
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
STM32F102C8T6TR from STMicroelectronics is a 32-bit Arm® Cortex®-M3 microcontroller in LQFP48 package, featuring 64 KB Flash, 10 KB SRAM, USB 2.0 Full-Speed interface, 12-bit ADC with 16 channels, and operation up to 48 MHz - deployed in industrial USB peripherals, sensor hubs, and embedded control systems requiring integrated USB connectivity and low-power operation.
For engineers reviewing the STM32F102C8T6TR datasheet, STM32F102C8T6TR pinout, STM32F102C8T6TR application, or STM32F102C8T6TR equivalent, key selection criteria include USB FS PHY integration, 5 V-tolerant I/O count (37 pins), 1.2 µs ADC conversion time, and support for SWD/JTAG debug in compact 7 × 7 mm footprint.
Technical Context
The device implements a tightly coupled Cortex-M3 core with single-cycle multiply and hardware divide, executing from Flash at 48 MHz with zero-wait-state access. Its clock system integrates dual oscillators (8 MHz HSI + 32.768 kHz LSE), programmable PLL, and PVD for supply monitoring - enabling deterministic real-time response in USB-synchronized firmware.
Peripheral architecture includes 7-channel DMA servicing USB, ADC, USARTs, SPIs, and I²Cs; nested vectored interrupt controller (NVIC) supporting 64 interrupts; and full USB 2.0 FS device stack with internal transceiver - eliminating external PHY requirements for cost-sensitive endpoint designs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M3 @ 48 MHz - delivers 60 DMIPS real-world throughput for USB protocol handling and sensor fusion |
| Memory | 64 KB Flash / 10 KB SRAM - sufficient for USB HID/CDC class firmware plus application logic without external memory |
| USB Interface | Integrated USB 2.0 Full-Speed device PHY - enables plug-and-play connectivity without external transceiver or level-shifting components |
| ADC | 12-bit, 1.2 µs conversion, 16-channel - supports simultaneous sampling of analog sensors (e.g., temperature, voltage, current) in USB data acquisition nodes |
| I/O Pins | 37/48 pins 5 V-tolerant - simplifies interfacing with legacy 5 V logic and industrial sensors without level translators |
| Power Range | 2.0–3.6 V supply - compatible with single-cell Li-ion, USB bus power (via LDO), and industrial 3.3 V rails |
| Low-Power Modes | Sleep/Stop/Standby with RTC backup - achieves <1 µA Standby current with VBAT, enabling battery-backed USB wake-up capability |
Pinout & Package
LQFP48 (7 × 7 mm, 0.5 mm pitch) package with exposed thermal pad - optimized for compact PCB layouts and thermal dissipation in space-constrained USB endpoints.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dual 3.3 V supply domains (VDD/VDDA) with separate analog ground - ensures clean ADC reference and noise immunity |
| PA11/PA12 | USB D+/D− | Dedicated full-speed USB transceiver pins with internal pull-ups - requires no external resistors for basic USB device enumeration |
| NRST | Active-low reset | Asynchronous reset input with Schmitt trigger - supports reliable power-on and brown-out recovery |
| BOOT0 | Boot mode select | Configures boot source (system memory vs. main Flash) - critical for DFU-based firmware updates over USB |
| PA0–PA15, PB0–PB15, PC13–PC15 | General-purpose I/O | 37 pins 5 V-tolerant with EXTI capability - enables direct connection to industrial sensors, encoders, and digital actuators |
Key Features
| Feature | Design Value |
|---|---|
| USB 2.0 FS Device Stack | On-die transceiver + descriptor engine - reduces BOM cost by eliminating external PHY and simplifies USB compliance testing |
| Temperature Sensor | Calibrated on-chip sensor with ±1.5°C accuracy - enables ambient temperature monitoring without external IC or calibration overhead |
| CRC Calculation Unit | Hardware-accelerated CRC-32 generator - offloads checksum computation from CPU during USB packet framing or firmware update verification |
| 96-bit Unique ID | Factory-programmed serial number - supports secure device authentication and license binding in USB-connected edge devices |
| SWD Debug Interface | 2-pin Serial Wire Debug (SWDIO/SWCLK) - enables in-circuit programming and real-time debugging with minimal PCB footprint |
Applications
| Industrial USB Sensor Node | USB Human Interface Device (HID) |
|---|---|
Use Scenario: Compact environmental monitor collecting temperature, humidity, and voltage data via analog/digital sensors, transmitting reports over USB to host PC or gateway. IC Role / Device Role / Timing Role: Central MCU managing sensor polling, ADC conversions, USB CDC ACM communication, and low-power sleep between samples. Use Value: Integrated USB FS eliminates external PHY; 37× 5 V-tolerant I/O directly interfaces with industrial sensors; 1.2 µs ADC enables 833 kSPS sampling for transient event capture. | Use Scenario: Programmable keyboard or custom control panel with mechanical switches, RGB LEDs, and rotary encoders connected to PC via USB. IC Role / Device Role / Timing Role: HID-class USB device controller handling key matrix scanning, LED PWM generation, encoder quadrature decoding, and report packet assembly. Use Value: 48 MHz Cortex-M3 executes HID report generation in <10 µs; SWD debug enables field firmware updates; 64 KB Flash stores multiple keymap profiles. |
| USB Firmware Upgrade Module | Embedded USB-to-Serial Bridge |
Use Scenario: Field-deployable module that accepts new firmware over USB and reprograms external SPI Flash or microcontroller via UART/JTAG. IC Role / Device Role / Timing Role: USB DFU (Device Firmware Upgrade) bootloader coordinating host commands, Flash erase/write, and secure signature verification. Use Value: BOOT0-controlled dual-boot capability isolates bootloader from app code; 96-bit UID prevents unauthorized firmware injection; CRC unit validates firmware integrity pre-write. | Use Scenario: Isolated serial bridge converting USB to TTL-level UART for debugging embedded systems, PLCs, or motor drives. IC Role / Device Role / Timing Role: USB CDC ACM device translating USB packets to UART frames with configurable baud rates and flow control. Use Value: Hardware USART with fractional baud rate generator supports 300–3 Mbps; VDDA decoupling ensures stable 12-bit ADC reference for optional voltage monitoring on VBUS line. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32F072CBT6 | ARM Cortex-M0+, 48 MHz, 128 KB Flash, 16 KB SRAM, same LQFP48 package | Lacks USB FS PHY - requires external transceiver or uses USB-less CDC via virtual COM port emulation | Select when lower cost and simpler toolchain outweigh need for native USB FS hardware |
| STM32F103C8T6 | Same Cortex-M3 core, 64 KB Flash, but adds CAN 2.0B controller and 2× more timers | Higher peripheral count increases firmware complexity and power consumption - unnecessary for pure USB endpoint use cases | Select only if CAN bus integration or additional timer resources are required in the same footprint |
Compared with STM32F072CBT6, STM32F102C8T6TR provides native USB FS hardware reducing component count and certification effort; versus STM32F103C8T6, it offers identical USB performance with lower static power and smaller Flash/SRAM - ideal for cost- and size-sensitive USB-only endpoints.
Availability
STM32F102C8T6TR is available at Aetrix Electronics and suitable for industrial USB sensor nodes, embedded HID devices, and firmware upgrade modules requiring stable component supply, long-term lifecycle assurance, and RoHS-compliant packaging.
Supply support for STM32F102C8T6TR includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
STMicroelectronics is a global semiconductor leader headquartered in Geneva, specializing in microcontrollers, power management, and automotive ICs - with over 40 years of innovation in embedded systems.
The STM32F102x8 series targets USB-accessible embedded control applications, emphasizing integration of USB FS, low-power operation, and industrial-grade I/O robustness in compact packages.
FAQ
Does STM32F102C8T6TR support USB host functionality?
No. The device implements only USB 2.0 Full-Speed device-mode hardware with integrated transceiver and descriptor engine. It lacks OTG capabilities, host controller logic, or VBUS sensing circuitry required for USB host or OTG operation - strictly functions as a USB peripheral.
What is the maximum operating temperature range for STM32F102C8T6TR?
The STM32F102C8T6TR is rated for industrial temperature range: –40 °C to +85 °C ambient. This is confirmed in Section 5.3.1 of DS5933 Rev 7, where electrical characteristics and timing parameters are guaranteed across this range under specified supply and load conditions.
Can PA11 and PA12 be used as general-purpose I/O when USB is disabled?
Yes. PA11 (USB DM) and PA12 (USB DP) function as standard GPIOs when USB clock is disabled and USB peripheral is not enabled. However, internal pull-up resistors remain active unless explicitly disabled in software - requiring careful configuration to avoid unintended signal contention.
Is the internal 8 MHz RC oscillator factory-trimmed for accuracy?
Yes. The internal high-speed RC oscillator (HSI) is factory-trimmed to ±1% accuracy at 25 °C and 3.3 V, as specified in Table 23 of DS5933 Rev 7. This enables reliable USB clocking via PLL (with ±0.25% tolerance after multiplication) without requiring an external crystal in non-precision timing applications.
STM32F102C8T6TR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 48-LQFP
- Series:
- STM32F1
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M3
- Core Size:
- 32-Bit Single-Core
- Speed:
- 48MHz
- Connectivity:
- I2C, IrDA, LINbus, SPI, UART/USART, USB
- Peripherals:
- DMA, PDR, POR, PVD, PWM, Temp Sensor, WDT
- Number of I/O:
- 37
- Program Memory Size:
- 64KB (64K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 10K x 8
- Voltage - Supply (Vcc/Vdd):
- 2V ~ 3.6V
- Data Converters:
- A/D 10x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
STM32F102C8T6TR FAQ
1.How can I place an order for STM32F102C8T6TR through Aetrix?
Please submit a Request for Quotation (RFQ) for STM32F102C8T6TR on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for STM32F102C8T6TR reliable?
The price and inventory of STM32F102C8T6TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32F102C8T6TR is usually 5 days.
3.What payment methods are accepted for STM32F102C8T6TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32F102C8T6TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM32F102C8T6TR?
STM32F102C8T6TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM32F102C8T6TR order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for STM32F102C8T6TR?
For technical support, including STM32F102C8T6TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32F102C8T6TR requirements.
6.How does Aetrix verify that STM32F102C8T6TR is sourced from the original manufacturer or authorized distributors?
All STM32F102C8T6TR products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that STM32F102C8T6TR meets industry standards.
7.What is the process for return or replacement of STM32F102C8T6TR?
All STM32F102C8T6TR units undergo pre-shipment inspection (PSI). If there is an issue with STM32F102C8T6TR, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The STM32F102C8T6TR part is unused and in its original packaging.
Return procedure for STM32F102C8T6TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
STM32F102C8T6TR Tags
-
ATTINY4-TSHR
Microchip Technology
-
ATTINY10-TSHR
Microchip Technology
-
ATTINY10-TS8R
Microchip Technology
-
ATTINY202-SSNR
Microchip Technology
-
ATTINY202-SSFR
Microchip Technology
-
ATTINY402-SSNR
Microchip Technology
-
PIC16F15213T-I/MF
Microchip Technology
-
PIC16F15213-E/MF
Microchip Technology
-
PIC10F200T-I/OT
Microchip Technology
-
ATTINY412-SSNR
Microchip Technology
-
PIC10F202T-I/OT
Microchip Technology
-
ATTINY404-SSNR
Microchip Technology
Tech Hub
Comparator circuit design covering voltage thresholds, input limits, open-collector outputs, LM393 wiring, op-amp differences, hysteresis, timing, window detection and practical fault diagnosis.
Schmitt triggers use separate rising and falling thresholds to stabilize slow or noisy signals. This guide covers hysteresis, 74HC14 and 74HCT14 selection, comparator calculations, RC oscillators and p…
Counterfeit components can hide behind convincing markings and passing basic function tests. This engineering reference covers source traceability, external inspection, X-ray, XRF, electrical testing, …
A practical engineering and sourcing framework covering lifecycle verification, lifetime-buy calculations, replacement qualification, supplier checks and counterfeit-risk controls.
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
