STMicroelectronics STM32F103ZGT6J
- Part No.:
- STM32F103ZGT6J
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
STM32F103ZGT6J.pdf
- Description:
- IC MCU 32BIT 1MB FLASH 144LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:4,631
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Product details
Overview
STM32F103ZGT6J from STMicroelectronics is an ARM® Cortex®-M3 32-bit microcontroller in LQFP144 package, featuring 1 MB Flash, 96 KB SRAM, USB 2.0 full-speed and CAN 2.0B interfaces, and operating at up to 72 MHz - deployed in industrial motor control systems requiring real-time PWM, ADC sampling, and fieldbus connectivity.
For engineers reviewing the STM32F103ZGT6J datasheet, STM32F103ZGT6J pinout, STM32F103ZGT6J application, or STM32F103ZGT6J equivalent, key selection criteria include Flash size (1 MB), dual 12-bit ADCs with 21-channel support, 17 timers including motor-control PWM with dead-time generation, and dual CAN/USB interface coexistence in a single XL-density MCU.
Technical Context
The STM32F103ZGT6J implements a tightly coupled ARM Cortex-M3 core with Memory Protection Unit (MPU), supporting deterministic interrupt handling via NVIC and flexible memory mapping through FSMC for external NOR/PSRAM/NAND expansion. Its clock system integrates HSE (4–16 MHz), HSI (8 MHz), LSE (32.768 kHz), and PLL with programmable multiplication factors.
Peripheral integration includes three 12-bit ADCs (1 µs conversion, triple-sample-and-hold), two 12-bit DACs, SDIO, CRC unit, and 96-bit unique ID. Debug is supported via SWD and JTAG, with Embedded Trace Macrocell™ enabling cycle-accurate instruction trace.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | ARM Cortex-M3, 72 MHz max - enables real-time deterministic execution of motor FOC or PLC logic with ≤14 ns instruction cycle time. |
| Flash Memory | 1 MB - accommodates large firmware images with bootloader, safety monitoring, and field-upgradable application code. |
| SRAM | 96 KB - supports multi-buffered CAN/USB packet handling, FFT-based signal analysis, and real-time stack allocation. |
| ADC | 3 × 12-bit, 1 µs conversion, up to 21 channels - allows simultaneous sampling of motor phase currents, DC bus voltage, and temperature sensors. |
| Timers | 17 timers including 2× motor-control PWM with dead-time insertion and emergency stop - directly drives 3-phase IGBT/SiC gate drivers with hardware fault response. |
| Communication | CAN 2.0B + USB 2.0 FS + 5× USART + 3× SPI + 2× I²C - enables dual-network operation: CAN for fieldbus control, USB for configuration and diagnostics. |
| Supply Range | 2.0–3.6 V - compatible with standard 3.3 V industrial power rails and tolerant of brown-out conditions down to 2.0 V. |
Pinout & Package
LQFP144 package (20 × 20 mm, 0.5 mm pitch), thermally enhanced with exposed thermal pad, rated for industrial temperature range (–40°C to +85°C).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dedicated analog/digital power pins enable low-noise ADC/DAC operation and robust digital switching. |
| PA0–PA15, PB0–PB15, etc. | General-purpose I/O | 112 total I/Os, all mappable to 16 EXTI lines and mostly 5 V-tolerant - simplifies level-shifting in mixed-voltage systems. |
| PA11/PA12 | USB DM/DP | Integrated full-speed transceiver with internal pull-ups - eliminates external USB PHY and reduces BOM cost. |
| PB8/PB9 | CAN RX/TX | Dedicated alternate-function pins with slew-rate control - ensures clean CAN bus signaling without external filters. |
| PA0–PA3, PB0–PB1 | ADC1_IN0–ADC1_IN3 | Hardware-synchronized sampling across multiple ADCs - critical for vector control current reconstruction. |
Key Features
| Feature | Design Value |
|---|---|
| Flexible Static Memory Controller (FSMC) | Supports NOR/PSRAM/NAND with configurable timing - enables direct connection to external HMI display buffers or data loggers. |
| Motor Control Timers (TIM1/TIM8) | Complementary PWM outputs with programmable dead-time and automatic fault shutdown - meets IEC 60730 Class B functional safety requirements. |
| Temperature Sensor + VREFINT | On-die sensor calibrated against VREFINT - provides board-level thermal monitoring without external components. |
| Serial Wire Debug (SWD) | 2-pin debug interface with full trace capability - enables non-intrusive real-time profiling and crash analysis in deployed systems. |
| Low-power Modes (Stop/Standby) | Current draw as low as 2.3 µA in Standby with RTC active - suitable for battery-backed industrial nodes with wake-on-CAN/RTC alarm. |
Applications
| Industrial Motor Drive | Automated Test Equipment |
|---|---|
Use Scenario: Closed-loop control of 3-phase BLDC motors using field-oriented control (FOC) with current sensing and position feedback. IC Role / Device Role / Timing Role: Primary controller executing FOC algorithm, generating 6-channel complementary PWM, sampling 3× shunt currents via ADC, and managing CAN-based command interface. Use Value: Hardware-accelerated PWM dead-time insertion and synchronized ADC triggers eliminate software jitter, ensuring <±1% torque ripple at 20 kHz switching frequency. | Use Scenario: Modular instrument controller interfacing with DMMs, signal generators, and switching matrices via USB and GPIB-over-USB. IC Role / Device Role / Timing Role: USB device controller hosting virtual COM port and HID interface while running test sequencing engine and managing multi-channel digital I/O. Use Value: Integrated USB 2.0 FS + 112 GPIOs allow direct peripheral control without bridge ICs, reducing latency and PCB layer count. |
| Building Automation Gateway | Medical Diagnostic Sensor Hub |
Use Scenario: Protocol translation between BACnet MS/TP (RS-485) and KNX TP (twisted pair) networks in HVAC controllers. IC Role / Device Role / Timing Role: Dual-CAN and dual-USART with LIN support act as fieldbus router; FSMC connects to local display and flash storage. Use Value: Simultaneous CAN and USB operation enables remote firmware updates over Ethernet-to-USB while maintaining real-time BACnet messaging. | Use Scenario: Portable ultrasound front-end aggregating analog signals from 8-channel transducer array and digitizing via external ADCs. IC Role / Device Role / Timing Role: High-throughput data aggregator using DMA-driven SPI to read ADCs, applying real-time FIR filtering, and streaming processed frames via USB. Use Value: 12-channel DMA with memory-to-memory transfers offloads CPU during burst acquisition, sustaining >12 MB/s sustained data throughput. |
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, same peripherals but fewer GPIOs (80 vs 112) and no FSMC | Suitable for space-constrained designs where external memory expansion is unnecessary | Select when board area is limited and external PSRAM/NOR is not required. |
| STM32F407VGT6 | Cortex-M4F core, 168 MHz, FPU, 1 MB Flash, 192 KB RAM, enhanced DSP instructions | Required for floating-point intensive tasks like real-time FFT or sensor fusion algorithms | Choose only if application demands hardware floating-point or >72 MHz deterministic timing. |
Compared with STM32F103VGT6, the ZGT6J offers 12 more GPIOs and FSMC for external memory - critical for HMI or data logging; versus STM32F407VGT6, it trades FPU and speed for lower power and proven qualification in long-lifecycle industrial deployments.
Availability
STM32F103ZGT6J is available at Aetrix Electronics and suitable for industrial motor drives, building automation gateways, automated test equipment, and medical sensor hubs requiring stable component supply across extended product lifecycles.
Supply support for STM32F103ZGT6J 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 devices, sensors, and analog ICs for industrial, automotive, and consumer markets.
The STM32F103xG series belongs to ST's high-performance, XL-density Cortex-M3 portfolio, engineered specifically for cost-sensitive industrial control applications demanding rich peripheral integration, deterministic real-time response, and long-term supply assurance.
FAQ
What is the maximum operating frequency and associated power consumption in Run mode?
The STM32F103ZGT6J operates at up to 72 MHz with typical current consumption of 36 mA at 72 MHz, 3.3 V, and room temperature when executing from Flash memory with all peripherals active - verified per datasheet Table 14 and confirmed by ST's AN2606 characterization.
Does this MCU support hardware encryption or secure boot features?
No - the STM32F103ZGT6J lacks dedicated cryptographic accelerators, TRNG, or secure boot ROM. It relies on software-based AES/SHA implementations and external secure elements for security-critical applications; later families (e.g., STM32L4+, STM32H7) provide hardware crypto engines.
Can the USB and CAN interfaces operate simultaneously without resource conflict?
Yes - USB and CAN use independent APB1 clock domains and separate DMA channels; the reference manual confirms concurrent operation with no shared registers or timing dependencies, validated in ST's UM1052 USB-CAN bridge example firmware.
What is the qualified temperature range and JEDEC moisture sensitivity level (MSL)?
The STM32F103ZGT6J is qualified for industrial temperature range (–40°C to +85°C) and packaged in LQFP144 with MSL3 rating per J-STD-020 - requiring bake condition of 125°C/8h if floor life exceeds 168 hours after seal opening.
STM32F103ZGT6J Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 144-LQFP
- Series:
- STM32F1
- Packaging:
- Tray
- Product Status:
- Obsolete
- 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:
- 1MB (1M 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:
STM32F103ZGT6J FAQ
1.How can I place an order for STM32F103ZGT6J through Aetrix?
Please submit a Request for Quotation (RFQ) for STM32F103ZGT6J 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 STM32F103ZGT6J reliable?
The price and inventory of STM32F103ZGT6J are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32F103ZGT6J is usually 5 days.
3.What payment methods are accepted for STM32F103ZGT6J?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32F103ZGT6J transactions.
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STM32F103ZGT6J orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM32F103ZGT6J 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 STM32F103ZGT6J?
For technical support, including STM32F103ZGT6J datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32F103ZGT6J requirements.
6.How does Aetrix verify that STM32F103ZGT6J is sourced from the original manufacturer or authorized distributors?
All STM32F103ZGT6J 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 STM32F103ZGT6J meets industry standards.
7.What is the process for return or replacement of STM32F103ZGT6J?
All STM32F103ZGT6J units undergo pre-shipment inspection (PSI). If there is an issue with STM32F103ZGT6J, 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 STM32F103ZGT6J part is unused and in its original packaging.
Return procedure for STM32F103ZGT6J:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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