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STMicroelectronics STM32F303ZDT6
- Part No.:
- STM32F303ZDT6
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
STM32F303ZDT6.pdf
- Description:
- IC MCU 32BIT 384KB FLASH 144LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:320
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Product details
Overview
STM32F303ZDT6 from STMicroelectronics is a 32-bit ARM® Cortex®-M4 microcontroller with FPU, operating at up to 72 MHz, featuring 512 KB Flash, 80 KB SRAM (64 KB + 16 KB CCM), and integrated analog peripherals including four operational amplifiers, seven comparators, two 12-bit DACs, and four ADCs with 12/10/8/6-bit resolution. It supports CAN 2.0B, USB FS, FSMC, and capacitive touch sensing - deployed in motor control, digital power supplies, and industrial sensor hubs.
For engineers reviewing the STM32F303ZDT6 datasheet, STM32F303ZDT6 pinout, STM32F303ZDT6 application, or STM32F303ZDT6 equivalent, key selection criteria include its dual DAC channels with 2.4–3.6 V analog supply, rail-to-rail comparators, PGA-capable op-amps, and LQFP144 package with 115 fast I/Os - all critical for mixed-signal real-time control designs.
Technical Context
The STM32F303ZDT6 implements an ARM Cortex-M4 core with hardware FPU, single-cycle MAC, and DSP extensions, enabling deterministic execution of motor control algorithms and digital signal processing. Its memory subsystem includes 512 KB Flash with error correction, 64 KB main SRAM with parity, and 16 KB CCM SRAM for time-critical code/data.
Analog integration centers on a dedicated 2.0–3.6 V analog domain supporting simultaneous operation of four independent op-amps (configurable as PGAs), seven ultra-fast comparators (<100 ns propagation), and four ADCs with up to 40 channels and selectable resolution - all synchronized via shared trigger sources and interconnect matrix routing.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M4 with FPU, 72 MHz max, 90 DMIPS - enables real-time motor control and audio processing without external DSP. |
| Flash Memory | 512 KB with ECC - supports robust firmware storage and over-the-air updates with integrity checking. |
| SRAM | 80 KB total: 64 KB main (32 KB with HW parity) + 16 KB CCM - isolates time-critical variables and stack from main memory bus contention. |
| ADC | Four 12-bit ADCs, 0.2 µs conversion, 40-channel mux - allows concurrent sampling of multiple current/voltage sensors in PMSM drives. |
| DAC | Two 12-bit DACs, 2.4–3.6 V analog supply - generates precise reference waveforms for analog feedback loops or calibration signals. |
| Op-Amp | Four rail-to-rail op-amps, PGA mode supported - eliminates need for external gain stages in sensor signal conditioning paths. |
| Comparator | Seven ultra-fast comparators, <100 ns propagation - enables cycle-accurate overcurrent protection and zero-crossing detection. |
| Package | LQFP144 (20 × 20 mm, 0.5 mm pitch) - provides full peripheral access and thermal performance for industrial PCB layouts. |
Pinout & Package
LQFP144 package with 144 leads, 20 × 20 mm body, 0.5 mm lead pitch, and exposed thermal pad - optimized for industrial temperature range (–40°C to +85°C) and reflow-compatible assembly.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA | Core & analog power supply | Separate 2.0–3.6 V domains enable noise isolation between digital logic and precision analog circuits. |
| VSS, VSSA | Digital & analog ground | Independent ground planes reduce coupling between high-speed switching and sensitive analog inputs. |
| PA0–PA15, PB0–PB15, etc. | General-purpose I/O | 115 fast I/Os, many 5 V-tolerant - simplify level-shifting in mixed-voltage systems and legacy interface integration. |
| PA1, PA2, PA3, PA4 | DAC output / ADC input | Dedicated analog pins with low-noise routing - preserve SNR for DAC outputs and high-impedance ADC sampling. |
| PA5–PA7, PB0–PB1 | Op-amp non-inverting/inverting inputs & outputs | Direct connection to internal op-amp terminals - enables configurable gain without external components. |
| PA11, PA12 | USB D+/D– | Integrated USB 2.0 full-speed transceiver - eliminates external PHY and reduces BOM cost for device-side connectivity. |
| PD0, PD1 | CAN RX/TX | Dedicated CAN 2.0B interface with internal filtering - supports robust fieldbus communication in motor drives and PLC modules. |
Key Features
| Feature | Design Value |
|---|---|
| Flexible Static Memory Controller (FSMC) | Supports NOR/PSRAM/NAND and PC Card interfaces - enables direct attachment of external displays, FPGA configuration memory, or data loggers. |
| Capacitive Sensing Controller (TSC) | 24-channel touch sensing with hardware de-bounce and noise immunity - replaces mechanical buttons in HMI panels and industrial enclosures. |
| Advanced Timers (TIM1/TIM8/TIM20) | 6-channel PWM with deadtime insertion and emergency stop - meets IEC 60730 Class B requirements for motor safety shutdown. |
| Interconnect Matrix | Arbitrated AHB/APB bus matrix - prevents peripheral access contention during concurrent ADC sampling, DMA transfers, and USB traffic. |
| Programmable Voltage Detector (PVD) | Configurable threshold monitoring on VDD - triggers interrupt or reset before brown-out affects analog accuracy or Flash write integrity. |
Applications
| Motor Control System | Digital Power Supply |
|---|---|
Use Scenario: Field-oriented control (FOC) of three-phase PMSM motors in HVAC blowers and industrial pumps. IC Role / Device Role / Timing Role: Real-time execution of FOC algorithm, simultaneous ADC sampling of phase currents, and generation of six-channel complementary PWM with deadtime. Use Value: Integrated op-amps condition shunt amplifier outputs; comparators provide hardware overcurrent cutoff within 100 ns - eliminating external protection ICs and reducing system latency. | Use Scenario: Isolated DC-DC converter with adaptive voltage regulation and telemetry reporting. IC Role / Device Role / Timing Role: Closed-loop regulation using dual DAC outputs for reference voltage and current limits, plus four ADCs for multi-point sensing of input/output rails and temperatures. Use Value: CCM SRAM stores PID coefficients with zero wait-state access; USB interface enables firmware updates and real-time parameter tuning without JTAG probes. |
| Industrial Sensor Hub | Human-Machine Interface (HMI) |
Use Scenario: Multi-sensor node aggregating temperature, pressure, and vibration data for predictive maintenance gateways. IC Role / Device Role / Timing Role: Simultaneous acquisition from 16+ analog sensors via multiplexed ADCs, local FFT preprocessing, and CAN 2.0B transmission to central controller. Use Value: Four independent op-amps condition diverse sensor outputs (thermocouples, strain gauges, piezoelectric elements); CRC unit ensures data integrity across noisy factory floors. | Use Scenario: Touch-enabled control panel for medical devices and laboratory instruments. IC Role / Device Role / Timing Role: Capacitive touch sensing across 24 electrodes, real-time gesture recognition, and display interface via FSMC-connected LCD driver. Use Value: TSC hardware handles baseline drift compensation and proximity rejection; LQFP144 pin count supports dedicated GPIOs for LED indicators and buzzer control without multiplexing overhead. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar mixed-signal microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32F303VET6 | LQFP100 package, 100-pin count, same core/peripherals but fewer I/Os and no FSMC | Suitable for space-constrained designs where external memory expansion is unnecessary | Select when board area is limited and external SRAM/NOR flash is not required. |
| STM32F407VGT6 | Cortex-M4F at 168 MHz, 1 MB Flash, no integrated op-amps/comparators, different analog architecture | Better for compute-intensive tasks (e.g., floating-point FFT), but requires external analog front-end | Choose when higher CPU throughput is critical and analog integration can be added externally. |
Compared with STM32F303VET6, the ZDT6 offers 44 additional I/Os and FSMC for external memory - essential for display or FPGA interfacing; versus STM32F407VGT6, it trades raw speed for on-die analog precision - reducing component count and layout complexity in sensor/motor systems.
Availability
STM32F303ZDT6 is available at Aetrix Electronics and suitable for motor control systems, digital power supplies, industrial sensor hubs, and human-machine interfaces requiring stable component supply across extended product lifecycles.
Supply support for STM32F303ZDT6 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 since 1987.
The STM32F3 series targets cost-sensitive, analog-rich embedded applications - delivering integrated op-amps, comparators, and high-resolution ADCs/DACs to replace discrete signal chains in industrial and consumer control systems.
FAQ
What is the maximum operating frequency and core type of the STM32F303ZDT6?
The STM32F303ZDT6 features an ARM Cortex-M4 core with integrated FPU, running at up to 72 MHz. It delivers 90 DMIPS performance with single-cycle multiplication and hardware division, validated under 2.0–3.6 V supply conditions per ST's production datasheet DocID026415 Rev 5.
Does the STM32F303ZDT6 support USB device functionality?
Yes - it integrates a USB 2.0 full-speed (12 Mbit/s) interface with Link Power Management (LPM) support and dedicated D+/D– pins (PA11/PA12). No external PHY is required, and the peripheral supports CDC, HID, and MSC class drivers out of the box with STM32CubeMX middleware.
How many analog comparators and operational amplifiers are integrated?
The device includes seven ultra-fast rail-to-rail analog comparators and four fully configurable operational amplifiers - all accessible via dedicated pins and usable in programmable-gain amplifier (PGA) mode. Their analog supply range is 2.0–3.6 V (comparators) and 2.4–3.6 V (op-amps), as specified in Section 3.17 and 3.16 of the datasheet.
What package type and pin count does the STM32F303ZDT6 use?
The STM32F303ZDT6 uses an LQFP144 package: 144-pin, 20 × 20 mm body, 0.5 mm lead pitch, with exposed thermal pad. This package supports the full complement of 115 fast I/Os, FSMC signals, and all analog peripherals - confirmed in Section 7.2 of the official datasheet.
STM32F303ZDT6 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 144-LQFP
- Series:
- STM32F3
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M4
- Core Size:
- 32-Bit Single-Core
- Speed:
- 72MHz
- Connectivity:
- CANbus, I2C, IrDA, LINbus, SPI, UART/USART, USB
- Peripherals:
- DMA, I2S, POR, PWM, WDT
- Number of I/O:
- 115
- Program Memory Size:
- 384KB (384K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 80K x 8
- Voltage - Supply (Vcc/Vdd):
- 2V ~ 3.6V
- Data Converters:
- A/D 40x12b; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
STM32F303ZDT6 FAQ
1.How can I place an order for STM32F303ZDT6 through Aetrix?
Please submit a Request for Quotation (RFQ) for STM32F303ZDT6 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 STM32F303ZDT6 reliable?
The price and inventory of STM32F303ZDT6 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32F303ZDT6 is usually 5 days.
3.What payment methods are accepted for STM32F303ZDT6?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32F303ZDT6 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM32F303ZDT6?
STM32F303ZDT6 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM32F303ZDT6 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 STM32F303ZDT6?
For technical support, including STM32F303ZDT6 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32F303ZDT6 requirements.
6.How does Aetrix verify that STM32F303ZDT6 is sourced from the original manufacturer or authorized distributors?
All STM32F303ZDT6 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 STM32F303ZDT6 meets industry standards.
7.What is the process for return or replacement of STM32F303ZDT6?
All STM32F303ZDT6 units undergo pre-shipment inspection (PSI). If there is an issue with STM32F303ZDT6, 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 STM32F303ZDT6 part is unused and in its original packaging.
Return procedure for STM32F303ZDT6:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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