My Inquiry
My Account
STMicroelectronics STM32F103ZFH6TR
- Part No.:
- STM32F103ZFH6TR
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 144-LFBGA
- Datasheet:
-
STM32F103ZFH6TR.pdf
- Description:
- IC MCU 32BIT 768KB FLSH 144LFBGA
- Quantity:
- Payment:
- Shipping:
Inventory:4,304
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
STM32F103ZFH6TR from STMicroelectronics is an ARM® Cortex®-M3 32-bit microcontroller operating at up to 72 MHz, featuring 1 MB Flash, 96 KB SRAM, USB 2.0 full-speed and CAN 2.0B interfaces, and 112 I/O pins in LQFP144 package. It integrates three 12-bit ADCs (21 channels), two 12-bit DACs, 17 timers including motor-control PWM with dead-time generation, and supports industrial motor control, PLC I/O modules, and USB-CAN gateway applications.
For engineers reviewing the STM32F103ZFH6TR datasheet, STM32F103ZFH6TR pinout, STM32F103ZFH6TR application, or STM32F103ZFH6TR equivalent, key selection criteria include Flash/SRAM size, USB+CAN dual-interface capability, 112 GPIO count with 5 V tolerance, and LQFP144 thermal/mechanical suitability for industrial PCB layouts.
Technical Context
The device implements a Harvard-architecture Cortex-M3 core with Memory Protection Unit (MPU), single-cycle multiply/hardware divide, and nested vectored interrupt controller (NVIC) supporting 84 IRQ channels. Its clock system includes dual oscillators (4–16 MHz HSE + 32 kHz LSE), programmable PLL, and internal 8 MHz/40 kHz RC sources calibrated for precision timing.
Peripheral integration centers on real-time control: FSMC enables NOR/PSRAM/NAND expansion; LCD parallel interface supports 8080/6800 modes; DMA controller (12-channel) offloads data movement across timers, ADCs, DACs, SPI/I2S/USART/CAN/USB/SDIO; and CRC unit provides hardware checksum acceleration.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | ARM Cortex-M3 @ 72 MHz; delivers 1.25 DMIPS/MHz (Dhrystone 2.1), enabling deterministic real-time task execution in resource-constrained embedded systems. |
| Memory | 1 MB Flash + 96 KB SRAM; sufficient for complex firmware with bootloader, USB stack, CAN protocol handler, and application logic without external memory. |
| ADC | 3 × 12-bit, 1 µs converters (up to 21 channels); supports simultaneous sampling and temperature sensing for closed-loop motor control or sensor fusion. |
| Timers | 17 timers including 2 × 16-bit motor-control PWM with dead-time insertion and emergency stop; meets IEC 61800-5-2 functional safety requirements for drive systems. |
| Interfaces | USB 2.0 full-speed + CAN 2.0B + 5 × USART + 3 × SPI + 2 × I2C; enables dual-bus field communication (CAN for fieldbus, USB for PC configuration/debug). |
| I/O | 112 GPIOs, 5 V-tolerant, mappable to 16 EXTI lines; allows direct interfacing with industrial sensors, encoders, and digital I/O modules without level-shifting. |
| Supply | 2.0–3.6 V operation with POR/PDR/PVD; supports wide-input industrial power rails and enables brown-out detection for robust reset behavior. |
Pinout & Package
LQFP144 package (20 × 20 mm, 0.5 mm pitch), RoHS-compliant, ECOPACK® certified, with exposed thermal pad for enhanced heat dissipation in continuous industrial operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dedicated analog/digital power domains with separate decoupling; critical for ADC/DAC noise immunity and stable core voltage regulation. |
| PA0–PA15, PB0–PB15, etc. | General-purpose I/O | 112 total pins, all 5 V-tolerant, configurable as alternate functions (USART, SPI, TIM, ADC, etc.) with pull-up/down and open-drain options. |
| USB_DP / USB_DM | USB 2.0 full-speed differential pair | Integrated transceivers require no external PHY; enables CDC/HID class implementations with minimal BOM cost and board space. |
| CAN_RX / CAN_TX | CAN 2.0B physical layer interface | Direct connection to ISO 11898-compliant transceiver; supports bit rates up to 1 Mbit/s for real-time distributed control networks. |
| NRST | Active-low reset input | Asynchronous reset with internal pull-up; accepts external push-button or supervisor IC assertion for reliable system initialization. |
Key Features
| Feature | Design Value |
|---|---|
| Flexible Static Memory Controller (FSMC) | Supports CompactFlash, NOR, PSRAM, NAND, and SRAM with configurable timing - enables local HMI display buffer or data logging storage without external FPGA. |
| Temperature sensor | Integrated analog output calibrated against VREFINT; provides ±1.5°C accuracy over –40°C to +85°C for thermal monitoring in motor drives or power supplies. |
| Serial wire debug (SWD) | 2-pin debug interface replacing JTAG; reduces PCB footprint and simplifies production programming while maintaining full trace and breakpoint capability. |
| Low-power modes | Sleep/Stop/Standby with RTC + backup registers powered by VBAT; achieves <1 µA Standby current for battery-backed real-time clock and alarm wake-up. |
| 96-bit unique ID | Factory-programmed serial number per die; enables secure device authentication, license binding, and anti-cloning in OEM firmware deployments. |
Applications
| Industrial Motor Drive | Programmable Logic Controller (PLC) I/O Module |
|---|---|
Use Scenario: Closed-loop vector control of 3-phase BLDC/PMSM motors with encoder feedback and current sensing. IC Role / Device Role / Timing Role: Real-time execution of FOC algorithm, PWM generation with synchronized ADC sampling, and CAN-based command/response messaging. Use Value: Integrated motor-control timers with dead-time insertion eliminate external gate-driver logic; 1 MB Flash accommodates dual firmware images for safe OTA updates. |
Use Scenario: Modular digital input/output expansion unit with isolated 24 V DC signal conditioning and CAN bus backplane connectivity. IC Role / Device Role / Timing Role: High-speed GPIO scanning, opto-isolator driver control, and CAN message routing between field devices and main CPU. Use Value: 112 5 V-tolerant I/Os enable direct connection to industrial sensors/actuators; USB interface allows local configuration via handheld HMI or PC tool. |
| USB-to-CAN Bridge | Smart Energy Metering Gateway |
Use Scenario: Protocol translation between USB-connected PC software and CAN-based smart grid meters or EV chargers. IC Role / Device Role / Timing Role: Dual-role USB device (CDC ACM class) and CAN controller handling frame arbitration, filtering, and error management. Use Value: On-chip USB PHY eliminates external transceiver; 1 MB Flash stores both USB stack and CAN FD-compatible firmware for future upgrades. |
Use Scenario: Substation-level energy aggregation node collecting data from multiple Modbus/RS485 meters via CAN or UART, then forwarding via USB or Ethernet (with external PHY). IC Role / Device Role / Timing Role: Multi-protocol serial hub with timestamped data buffering, CRC-32 validation, and RTC-synchronized logging to internal Flash. Use Value: Triple 12-bit ADCs monitor auxiliary voltages/currents; VBAT-backed RTC ensures accurate time-stamping during mains failure. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32F103VGT6 | LQFP100 package (100 pins), 1 MB Flash, 96 KB SRAM; lacks 12 additional GPIOs and 1 FSMC address line vs. ZFH6TR. | Suitable for space-constrained designs where 112 I/Os and full FSMC bus width are not required. | Select when PCB area is limited and peripheral count fits within 100-pin footprint; verify CAN/USB timing margins remain acceptable. |
| STM32F407VGT6 | Cortex-M4F core @ 168 MHz, FPU, 1 MB Flash, 192 KB SRAM, but no native CAN FD support and higher power consumption. | Better for floating-point-intensive tasks (e.g., FFT-based power quality analysis), but overkill for basic CAN/USB bridging. | Choose only if application requires DSP instructions or higher clock throughput; note increased thermal design complexity and cost. |
Compared with STM32F103VGT6, the ZFH6TR offers 12 extra I/Os and full FSMC bus width for expanded memory/peripheral interfacing; versus STM32F407VGT6, it trades raw compute for lower power, smaller footprint, and proven industrial CAN/USB coexistence - making it optimal for deterministic real-time control without FPU dependency.
Availability
STM32F103ZFH6TR is available at Aetrix Electronics and suitable for industrial motor control, PLC I/O modules, USB-CAN gateways, and smart energy metering requiring stable component supply across multi-year production cycles.
Supply support for STM32F103ZFH6TR 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, specializing in microcontrollers, power management, sensors, and automotive ICs with vertical manufacturing capabilities.
This part belongs to the STM32F1 'Performance Line' product family, engineered for cost-sensitive industrial automation, motor control, and human-machine interface applications demanding high peripheral integration and real-time responsiveness.
FAQ
Is STM32F103ZFH6TR pin-compatible with other STM32F103xG variants?
Yes - it shares identical LQFP144 pinout with all STM32F103xG devices (e.g., STM32F103ZGT6), including identical power, reset, clock, USB, CAN, and GPIO mappings. Differences are limited to Flash density and factory-programmed options, not pin function or electrical behavior.
Does this MCU support USB device mode without external components?
Yes - the integrated USB 2.0 full-speed transceiver requires only a single 1.5 kΩ pull-up resistor on D+ and standard USB termination capacitors. No external PHY or level shifter is needed, reducing BOM count and layout complexity for CDC, HID, or DFU class implementations.
What is the maximum allowed ambient temperature for continuous operation?
The device is rated for industrial temperature range (–40°C to +85°C). Thermal performance in LQFP144 allows sustained 72 MHz operation at +85°C ambient when PCB uses ≥2 oz copper, thermal vias under the exposed pad, and ≤2 cm² heatsink area - verified per ST's AN2606 thermal guidelines.
Can the internal 32 kHz LSE oscillator drive an external crystal for RTC accuracy?
Yes - the LSE circuit supports 32.768 kHz quartz crystals with load capacitance 6–12.5 pF. ST specifies ±20 ppm frequency stability over –40°C to +85°C when using recommended crystal parameters and PCB layout (short traces, ground guard ring), enabling precise timekeeping for metering or alarm functions.
STM32F103ZFH6TR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 144-LFBGA
- Series:
- STM32F1
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M3
- Core Size:
- 32-Bit Single-Core
- Speed:
- 72MHz
- Connectivity:
- CANbus, I2C, IrDA, LINbus, SPI, UART/USART, USB
- Peripherals:
- DMA, Motor Control PWM, PDR, POR, PVD, PWM, Temp Sensor, WDT
- Number of I/O:
- 112
- Program Memory Size:
- 768KB (768K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 96K x 8
- Voltage - Supply (Vcc/Vdd):
- 2V ~ 3.6V
- Data Converters:
- A/D 21x12b; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
STM32F103ZFH6TR FAQ
1.How can I place an order for STM32F103ZFH6TR through Aetrix?
Please submit a Request for Quotation (RFQ) for STM32F103ZFH6TR 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 STM32F103ZFH6TR reliable?
The price and inventory of STM32F103ZFH6TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32F103ZFH6TR is usually 5 days.
3.What payment methods are accepted for STM32F103ZFH6TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32F103ZFH6TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM32F103ZFH6TR?
STM32F103ZFH6TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM32F103ZFH6TR 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 STM32F103ZFH6TR?
For technical support, including STM32F103ZFH6TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32F103ZFH6TR requirements.
6.How does Aetrix verify that STM32F103ZFH6TR is sourced from the original manufacturer or authorized distributors?
All STM32F103ZFH6TR 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 STM32F103ZFH6TR meets industry standards.
7.What is the process for return or replacement of STM32F103ZFH6TR?
All STM32F103ZFH6TR units undergo pre-shipment inspection (PSI). If there is an issue with STM32F103ZFH6TR, 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 STM32F103ZFH6TR part is unused and in its original packaging.
Return procedure for STM32F103ZFH6TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
STM32F103ZFH6TR 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
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 …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
