STMicroelectronics STM32F101VFT6TR

Overview

STM32F101VFT6TR from STMicroelectronics is an ARM® Cortex®-M3 32-bit microcontroller in LQFP100 package, operating up to 36 MHz with 768 KB Flash and 80 KB SRAM. It integrates 1×12-bit ADC (16-channel, 1 µs), 2×12-bit DACs, 15 timers (including watchdogs and SysTick), and 10 communication interfaces (2×I²C, 3×SPI, 3×USART, USB, CAN). It serves as a main system controller in industrial HMI panels requiring real-time I/O handling, analog sensing, and multi-protocol connectivity.

For engineers reviewing the STM32F101VFT6TR datasheet, STM32F101VFT6TR pinout, STM32F101VFT6TR application, or STM32F101VFT6TR equivalent, key selection criteria include Flash/SRAM size, 100-pin LQFP footprint compatibility, 36 MHz CPU clock capability, dual-bank Flash for read-while-write firmware updates, and integrated temperature sensor + RTC with VBAT support.

Technical Context

The device implements a nested vectored interrupt controller (NVIC) supporting up to 112 GPIOs mapped across 16 external interrupt vectors, with nearly all pins 5 V-tolerant. Its flexible static memory controller (FSMC) supports CompactFlash, NOR, NAND, PSRAM, and SRAM with configurable timing and 4 chip-select outputs.

Clock architecture includes four independent sources: 4–16 MHz HSE crystal oscillator, 8 MHz factory-trimmed HSI RC, 40 kHz LSI RC with calibration, and 32.768 kHz LSE for RTC - all feeding a PLL capable of generating the 36 MHz system clock. Power management supports Sleep, Stop, and Standby modes with VBAT backup for RTC and registers.

Key Specifications

Pinout & Package

LQFP100 package (14 × 14 mm, 0.5 mm pitch), RoHS-compliant, ECOPACK® certified.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar microcontroller applications.

Compared with STM32F103VCT6, STM32F101VFT6TR offers larger Flash and dual-bank capability for robust firmware updates but omits USB OTG; versus STM32F072VBT6, it delivers significantly higher processing throughput, analog precision, and memory bandwidth - making it suitable for demanding industrial edge nodes where reliability and feature density outweigh cost sensitivity.

Availability

STM32F101VFT6TR is available at Aetrix Electronics and suitable for industrial HMI panels, PLC I/O modules, energy meter concentrators, and medical infusion pump controllers requiring stable component supply, long-term lifecycle assurance, and ECOPACK® compliance.

Supply support for STM32F101VFT6TR 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, Switzerland, designing and manufacturing microcontrollers, power management ICs, sensors, and automotive-grade components.

The STM32F101 access line targets cost-optimized industrial and consumer applications requiring high peripheral integration, Flash flexibility, and robust real-time performance - emphasizing reliability, low-power operation, and ease of migration within the STM32 ecosystem.

FAQ

What is the maximum operating frequency and associated power consumption of STM32F101VFT6TR?

STM32F101VFT6TR operates at up to 36 MHz. At 3.6 V and 36 MHz with all peripherals active and code running from Flash, typical current consumption is 36 mA. In Run mode with code from RAM and peripherals disabled, it drops to ~24 mA. These values are measured per datasheet Section 5.3.5 and validated across industrial temperature range (–40°C to +85°C).

Does STM32F101VFT6TR support hardware encryption or secure boot features?

No. STM32F101VFT6TR does not include hardware cryptographic accelerators (AES, SHA, PKA) or secure boot ROM. It lacks tamper detection, secure memory isolation, or embedded secure key storage. For applications requiring secure firmware validation or data confidentiality, ST's STM32L4 or STM32H7 series with TrustZone or proprietary secure elements should be considered instead.

Can the internal 8 MHz RC oscillator be used as the system clock source without external components?

Yes. The factory-trimmed 8 MHz HSI RC oscillator can serve as the system clock source directly - no external crystal or capacitors required. It achieves ±1% accuracy after trimming and supports automatic calibration against the 32.768 kHz LSE. This enables rapid prototyping and cost reduction in non-precision timing applications like basic motor control or sensor polling.

Is STM32F101VFT6TR pin-compatible with other STM32F10x devices in LQFP100 package?

Yes - within the STM32F101xG and STM32F103xG subfamilies sharing the same LQFP100 mechanical footprint (Table 1, DocID16553 Rev 5), pin functions are fully compatible. However, peripheral mapping differs: e.g., USB D+/D− are on PA11/PA12 in F101VFT6TR but PA11/PA12 also serve as CAN RX/TX in F103 variants. Functional compatibility requires verifying alternate function remapping in software.