STMicroelectronics STM32F103ZGT6TR
- Part No.:
- STM32F103ZGT6TR
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
STM32F103ZGT6TR.pdf
- Description:
- IC MCU 32BIT 1MB FLASH 144LQFP
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
STM32F103ZGT6TR from STMicroelectronics is a high-density ARM® Cortex®-M3 microcontroller featuring 1 MB Flash, 96 KB SRAM, USB 2.0 full-speed interface, CAN 2.0B controller, and triple 12-bit ADCs (21 channels). It operates at up to 72 MHz with 1.25 DMIPS/MHz performance and supports industrial motor control, PLC I/O modules, and USB-connected embedded gateways.
For engineers reviewing the STM32F103ZGT6TR datasheet, STM32F103ZGT6TR pinout, STM32F103ZGT6TR application, or STM32F103ZGT6TR equivalent, key selection criteria include Flash/SRAM capacity, USB+CAN dual-interface capability, 112 I/O count with 5 V tolerance, and LQFP144 package compatibility for high-pin-count industrial designs.
Technical Context
The STM32F103ZGT6TR implements an ARM Cortex-M3 core with Memory Protection Unit (MPU), supporting deterministic real-time execution and memory isolation. Its clock system integrates multiple oscillators - 4–16 MHz HSE, 8 MHz factory-trimmed HSI, and 32 kHz LSE - feeding a programmable PLL to generate the 72 MHz system clock.
Peripheral integration includes a flexible static memory controller (FSMC) supporting NOR/PSRAM/NAND, LCD parallel interface (8080/6800 modes), and 17 timers - ten 16-bit general-purpose, two motor-control PWM with dead-time generation, and SysTick - enabling complex timing, motion control, and human-machine interface functions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | ARM Cortex-M3 @ 72 MHz; delivers 1.25 DMIPS/MHz for deterministic real-time control in resource-constrained systems. |
| Flash / SRAM | 1 MB Flash + 96 KB SRAM; enables large firmware images, bootloader + application separation, and real-time data buffering. |
| ADC | 3 × 12-bit, 1 µs converters (21 channels); supports simultaneous sampling across three independent analog domains for motor phase current sensing. |
| Communication | USB 2.0 FS + CAN 2.0B + 5×USART + 3×SPI + 2×I²C; provides native PC connectivity, robust fieldbus communication, and sensor/peripheral bridging. |
| I/O Count | 112 GPIO pins, 5 V-tolerant on all inputs; simplifies level-shifting in mixed-voltage industrial backplanes and legacy peripheral interfacing. |
| Timers | 17 timers including 2× motor-control PWM with dead-time insertion and emergency stop; directly supports 3-phase BLDC/PMSM drive without external logic. |
| Package | LQFP144 (20 × 20 mm); standard surface-mount footprint with thermal pad option, compatible with automated optical inspection and reflow processes. |
Pinout & Package
LQFP144 package: 144-pin low-profile quad flat package, 20 × 20 mm body, 0.5 mm pitch, exposed thermal pad (EPAD) option available per variant; RoHS-compliant, ECOPACK® certified.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD / VSS | Power supply / Ground | Dual 2.0–3.6 V supply domains with dedicated analog/digital ground planes; decoupling required per STM32 layout guidelines. |
| PA0–PA15, PB0–PB15, etc. | General-purpose I/O | 112 total GPIOs; each configurable as push-pull/open-drain, pull-up/pull-down, alternate function (AFIO), or analog input. |
| PA11/PA12 | USB D+/D− | Dedicated full-speed USB transceiver pins; require 1.5 kΩ pull-up on D+ for device enumeration; no external PHY needed. |
| PB8/PB9 | CAN RX/TX | Direct connection to external CAN transceiver; integrated CAN controller supports 1 Mbit/s baud rate and mailbox-based message handling. |
| PC13–PC15 | RTC oscillator | Connects to 32.768 kHz crystal; enables battery-backed real-time clock and low-power wake-up from Stop/Standby modes. |
| NRST | Reset input | Active-low reset with internal pull-up; accepts external reset signal or watchdog timeout; supports SWD/JTAG debug reset assertion. |
Key Features
| Feature | Design Value |
|---|---|
| Flexible Static Memory Controller (FSMC) | Supports NOR/PSRAM/NAND/CompactFlash with programmable timing; enables direct attachment of external displays, FPGA co-processors, or legacy memory-mapped peripherals. |
| Motor Control Timers | Two 16-bit advanced-control timers with complementary outputs, programmable dead-time, and emergency brake input; eliminates need for external gate-driver protection logic. |
| Temperature Sensor | Integrated calibrated sensor (±1.5°C accuracy) connected to ADC1_IN16; enables on-chip thermal monitoring without external components. |
| DMA Controller | 12-channel controller with peripheral-to-memory, memory-to-peripheral, and peripheral-to-peripheral transfers; offloads CPU during ADC sampling, USB packet handling, and SPI data streaming. |
| Debug Interface | Serial Wire Debug (SWD) + JTAG; enables non-intrusive real-time tracing via ETM, flash programming, and breakpoint debugging with minimal pin overhead (2 pins for SWD). |
Applications
| Industrial PLC I/O Module | USB-Capable Embedded Gateway |
|---|---|
|
Use Scenario: Modular I/O expansion unit with analog input, digital I/O, and CAN fieldbus connectivity in factory automation cabinets. IC Role / Device Role / Timing Role: Central MCU managing 21-channel analog acquisition, 112 GPIO state control, and synchronized CAN message scheduling. Use Value: Single-chip integration of ADC, CAN, and high-count I/O eliminates external bus controllers and reduces BOM cost by 30% vs. multi-chip solutions. |
Use Scenario: Edge node aggregating sensor data from RS-485 Modbus devices and forwarding to host PC via USB CDC virtual COM port. IC Role / Device Role / Timing Role: Protocol translator executing Modbus RTU slave stack and USB CDC ACM class firmware with zero-latency interrupt response. Use Value: Native USB + CAN dual-interface support enables plug-and-play deployment without external USB bridge ICs or level shifters. |
| Motor Drive Control Board | Human-Machine Interface (HMI) Panel |
|
Use Scenario: 3-phase inverter board for HVAC compressors requiring precise PWM generation, current sensing, and fault protection. IC Role / Device Role / Timing Role: Real-time motion controller generating six complementary PWM outputs with hardware dead-time insertion and emergency stop triggering. Use Value: Integrated motor timers and triple ADC enable cycle-by-cycle current regulation at 20 kHz switching frequency without CPU intervention. |
Use Scenario: Touch-enabled display panel with graphics rendering, button scanning, and local data logging using external NAND Flash. IC Role / Device Role / Timing Role: Display controller interfacing 8080-mode LCD, managing touch ADC, and operating FSMC for NAND Flash storage access. Use Value: LCD parallel interface + FSMC + 96 KB SRAM allows double-buffered frame rendering and seamless UI updates without external video RAM. |
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 core/peripherals but reduced I/O count (80 pins) and no FSMC/LCD interface. | Suitable for space-constrained designs where external memory or display interface is unnecessary. | Select when PCB area is limited and full 112 I/O or FSMC functionality is unused. |
| STM32F407VGT6 | Cortex-M4 core, 168 MHz, FPU, 1 MB Flash, enhanced peripherals (Ethernet MAC, additional ADC/DAC), LQFP100. | Required for floating-point math (e.g., FFT-based power quality analysis) or Ethernet connectivity. | Choose only if M4-specific features (FPU, DSP instructions, Ethernet) are mandatory; higher cost and power consumption. |
Compared with STM32F103VGT6, the ZGT6 offers 32 more I/Os and FSMC/LCD support for expanded peripheral interfacing; versus STM32F407VGT6, it trades FPU and Ethernet for lower cost, proven maturity, and identical pin-compatible software migration path within the F1 series.
Availability
STM32F103ZGT6TR is available at Aetrix Electronics and suitable for industrial PLCs, motor control drives, USB-connected gateways, and HMI panels requiring stable component supply across long production lifecycles.
Supply support for STM32F103ZGT6TR 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.
The STM32F103xG series belongs to ST's mainstream performance-line MCUs, designed specifically for cost-sensitive industrial control, motor drive, and connectivity applications demanding high peripheral integration and long-term availability.
FAQ
What is the maximum operating temperature range for STM32F103ZGT6TR?
The STM32F103ZGT6TR is rated for industrial temperature range: –40 °C to +85 °C ambient. This is confirmed in Section 5.3.1 of the official datasheet (DocID16554 Rev 4), with thermal derating applied above 70 °C for sustained 72 MHz operation under full peripheral load.
Does STM32F103ZGT6TR support USB device mode without external components?
Yes - it integrates a full-speed USB 2.0 transceiver with internal pull-up resistor control on PA12. Only a single 1.5 kΩ pull-up on PA12 (D+) is required for enumeration; no external PHY, level shifter, or USB connector ESD protection is mandatory for basic CDC/HID operation.
How many independent CAN interfaces does this MCU provide?
The STM32F103ZGT6TR includes one CAN 2.0B-compliant controller with two dedicated I/O pins (PB8/PB9) and three mailboxes (two transmit, one receive). It does not support dual CAN controllers; multi-bus systems require external CAN bridge ICs or time-multiplexed arbitration.
Is the LQFP144 package of STM32F103ZGT6TR lead-free and RoHS compliant?
Yes - the STM32F103ZGT6TR uses an ECOPACK®-certified LQFP144 package with lead-free (Pb-free) terminations and halogen-free molding compound, fully compliant with EU RoHS Directive 2011/65/EU and REACH SVHC requirements as documented in ST's packaging specification UM1075.
STM32F103ZGT6TR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 144-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:
- 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:
STM32F103ZGT6TR FAQ
1.How can I place an order for STM32F103ZGT6TR through Aetrix?
Please submit a Request for Quotation (RFQ) for STM32F103ZGT6TR 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 STM32F103ZGT6TR reliable?
The price and inventory of STM32F103ZGT6TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32F103ZGT6TR is usually 5 days.
3.What payment methods are accepted for STM32F103ZGT6TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32F103ZGT6TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM32F103ZGT6TR?
STM32F103ZGT6TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM32F103ZGT6TR 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 STM32F103ZGT6TR?
For technical support, including STM32F103ZGT6TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32F103ZGT6TR requirements.
6.How does Aetrix verify that STM32F103ZGT6TR is sourced from the original manufacturer or authorized distributors?
All STM32F103ZGT6TR 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 STM32F103ZGT6TR meets industry standards.
7.What is the process for return or replacement of STM32F103ZGT6TR?
All STM32F103ZGT6TR units undergo pre-shipment inspection (PSI). If there is an issue with STM32F103ZGT6TR, 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 STM32F103ZGT6TR part is unused and in its original packaging.
Return procedure for STM32F103ZGT6TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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