STMicroelectronics STM32F103VEH6TR

Overview

STM32F103VEH6TR from STMicroelectronics is a high-density performance-line Arm® Cortex®-M3 microcontroller featuring 512 KB Flash, 64 KB SRAM, USB 2.0 full-speed interface, CAN 2.0B controller, and three 12-bit ADCs with 21 channels - deployed in industrial motor control systems requiring real-time PWM generation, analog sensing, and fieldbus connectivity.

For engineers reviewing the STM32F103VEH6TR datasheet, STM32F103VEH6TR pinout, STM32F103VEH6TR application, or STM32F103VEH6TR equivalent, key selection criteria include Flash/SRAM capacity, 72 MHz CPU clock stability, CAN+USB dual-protocol support, 112 I/O count with 5 V tolerance, and LFBGA100 package thermal performance for compact embedded designs.

Technical Context

The device integrates an Arm Cortex-M3 core running at up to 72 MHz with single-cycle multiplication and hardware division, coupled with nested vectored interrupt controller (NVIC) supporting 84 interrupt channels. Its memory subsystem includes 512 KB on-chip Flash with error correction, 64 KB SRAM, and a flexible static memory controller (FSMC) supporting NOR/PSRAM/NAND and LCD parallel interfaces.

Peripherals are tightly synchronized via AHB/APB buses: two 12-bit DACs feed analog outputs; three 12-bit ADCs sample at 1 µs conversion time with triple-sample-and-hold; four 16-bit general-purpose timers and two motor-control timers provide dead-time configurable PWM; and communication stacks include 5 USARTs, 3 SPIs (two with I2S), 2 I2C, CAN, USB, and SDIO - all accessible through remappable GPIOs.

Key Specifications

Pinout & Package

LFBGA100 package: 10 × 10 mm body, 0.8 mm ball pitch, 100 solder balls arranged in 11 × 11 grid (corner balls omitted), JEDEC MO-276AB compliant, with thermal pad exposed on underside for enhanced PCB heat dissipation.

Key Features

Applications

Equivalent & Alternatives

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

Compared with STM32F103ZET6, the VE variant offers identical functionality in a smaller LFBGA100 package ideal for space-constrained motor drives; versus STM32F407VGT6, it trades raw compute for proven CAN/USB coexistence, lower power, and mature toolchain support in cost-sensitive industrial deployments.

Availability

STM32F103VEH6TR is available at Aetrix Electronics and suitable for industrial motor control, programmable logic controllers, medical infusion pumps, and energy metering gateways requiring stable component supply across extended product lifecycles.

Supply support for STM32F103VEH6TR 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 silicon for industrial, automotive, and consumer markets.

The STM32F103 series belongs to ST's high-density performance-line Cortex-M3 portfolio, engineered specifically for real-time embedded applications demanding rich analog integration, fieldbus connectivity, and deterministic control loop execution in harsh environments.

FAQ

What is the maximum operating temperature range for STM32F103VEH6TR?

The STM32F103VEH6TR is rated for industrial temperature range: −40°C to +85°C ambient. This is validated per ST's datasheet DS5792 Rev 13 Section 5.3.1, with thermal derating applied above 70°C ambient when power dissipation exceeds 320 mW in LFBGA100 package.

Does STM32F103VEH6TR support USB device mode without external components?

Yes - it integrates a full-speed USB 2.0 transceiver with internal pull-up resistors and differential signaling circuitry. Only a single 1.5 kΩ pull-up resistor on D+ line and standard USB connector are required; no external PHY or level shifter is needed for basic HID or CDC device implementations.

How many independent CAN nodes can be implemented using STM32F103VEH6TR?

The device contains one CAN 2.0B controller with two dedicated transmit mailboxes and three FIFO receive filters. It supports a single physical CAN node; multi-node operation requires external CAN transceivers per bus segment, but software can manage multiple logical endpoints via identifier filtering and mailbox prioritization.

Is the internal 8 MHz RC oscillator factory-trimmed for accuracy?

Yes - the internal 8 MHz RC oscillator is factory-trimmed to ±1% accuracy at 25°C and 3.3 V, as specified in DS5792 Section 5.3.7. For applications requiring tighter timing (e.g., USB frame sync), ST recommends using the 4–16 MHz external crystal oscillator or calibrating the RC against the 32 kHz LSE.