STM32F303ZET6 - 512KB Flash ARM Cortex-M4F MCU | STMicroelectronics
N.º da peça: STM32F303ZET6 ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $12.5 | $12,50 |
| 10 | $11.2 | $112,00 |
| 100 | $9.8 | $980,00 |
| 500 | $8.5 | $4.250,00 |
| 1.000 | $7.9 | $7.900,00 |
STM32F303ZET6 Visão geral
What is an ARM Cortex-M4F microcontroller? It is a 32-bit processor core designed for embedded control applications, featuring a floating-point unit (FPU) for efficient handling of mathematical operations, DSP instructions for digital signal processing, and a memory protection unit (MPU) for enhanced system reliability. The Cortex-M4F is part of the ARM Cortex-M family, which includes the M0, M0+, M3, M4, and M7 cores, each optimized for different performance and power trade-offs. In the system hierarchy, the microcontroller sits between the application software and the physical hardware, executing instructions and managing peripherals such as timers, ADCs, and communication interfaces.
Key features of the STM32F303ZET6 include a 72 MHz maximum clock speed, 512 KB flash, 64 KB SRAM, and a rich set of peripherals: 4x 12-bit ADCs with up to 5 MSPS, 2x 12-bit DACs, 7x comparators, 4x operational amplifiers, 3x 16-bit advanced-control timers, 2x 32-bit timers, and multiple communication interfaces (SPI, I2C, USART, CAN, USB). The device also features a true random number generator (RNG), a CRC calculation unit, and a 12-channel DMA controller. The FPU accelerates single-precision floating-point arithmetic, which is critical for control loops and sensor fusion algorithms.
Technically, the STM32F303ZET6 is built on a 90nm process technology, offering a balance of performance and power efficiency. It operates from a 2.0V to 3.6V supply and features multiple low-power modes (Sleep, Stop, Standby) to minimize energy consumption in battery-powered designs. The device includes a comprehensive clock system with an internal 8 MHz RC oscillator, an internal 32 kHz RC oscillator, and support for external crystals up to 32 MHz. The ADC can operate in dual or triple interleaved mode to achieve higher sampling rates, and the comparators and op-amps enable analog signal conditioning without external components.
Typical applications include motor control (field-oriented control of brushless DC motors), industrial automation (PLC, sensors, actuators), medical devices (patient monitoring, infusion pumps), and consumer electronics (audio processing, smart home controllers). The combination of analog peripherals and DSP capabilities makes it ideal for applications requiring both signal conditioning and real-time control.
When designing with this device, ensure adequate decoupling of the power supply pins (VDD, VDDA) with 100nF and 4.7uF capacitors placed close to the pins. The VDDA pin must be connected to a clean analog supply to achieve the specified ADC accuracy. Also, configure the boot pins correctly to select the desired boot source (flash, system memory, or SRAM) during development.
Alternativas drop-in para STM32F303ZET6 — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com STM32F303ZET6 (mesmo formato e footprint) — diferindo em ADC, Communication Interfaces, Comparators, Core, DAC.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
STM32F303ZET7
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
STM32F303ZDT6
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
STM32F303ZCT6
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
STM32F303ZET6TR
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
STM32F303ZET6
✅ Drop-In✓ Em estoque
$7.9 / unidade
Ver ficha técnica →STM32F303ZET6 Classificações máximas e características elétricas
| Core | ARM Cortex-M4F with FPU |
| Maximum Clock Speed | 72 MHz |
| Flash Memory | 512 KB |
| SRAM | 64 KB |
| Encapsulamento | LQFP144 (20x20 mm, 0.5 mm pitch) |
| Tensão de alimentação | 2.0 V to 3.6 V |
| Temperatura de operação | -40C to +85C |
| Number of I/O Pins | 112 |
| ADC | 4x 12-bit, up to 5 MSPS |
| DAC | 2x 12-bit |
| Comparators | 7 |
| Operational Amplifiers | 4 |
| Timers | 3x 16-bit advanced-control, 2x 32-bit, 4x 16-bit general-purpose |
| Communication Interfaces | SPI (3), I2C (2), USART (5), CAN (1), USB 2.0 FS |
| DMA | 12 channels |
| RNG | Yes |
| CRC | Yes |
| RoHS | Compliant |
Configuração de pinos do STM32F303ZET6
| Pino 1 | PE2 — GPIO or alternate function |
| Pino 2 | PE3 — GPIO or alternate function |
| Pino 3 | PE4 — GPIO or alternate function |
| Pino 4 | PE5 — GPIO or alternate function |
| Pino 5 | PE6 — GPIO or alternate function |
| Pino 6 | VBAT — Battery backup supply |
| Pino 7 | PC13 — GPIO or RTC output |
| Pino 8 | PC14 — GPIO or OSC32_IN |
| Pino 9 | PC15 — GPIO or OSC32_OUT |
| Pino 10 | PF0 — GPIO or OSC_IN |
| Pino 11 | PF1 — GPIO or OSC_OUT |
| Pino 12 | NRST — Reset (active low) |
| Pino 13 | PC0 — GPIO or ADC input |
| Pino 14 | PC1 — GPIO or ADC input |
| Pino 15 | PC2 — GPIO or ADC input |
| Pino 16 | PC3 — GPIO or ADC input |
| Pino 17 | VDD — Digital power supply |
| Pino 18 | VSS — Digital ground |
| Pino 19 | PC4 — GPIO or ADC input |
| Pino 20 | PC5 — GPIO or ADC input |
| Pino 21 | PB2 — GPIO or BOOT1 |
| Pino 22 | PE7 — GPIO or alternate function |
| Pino 23 | PE8 — GPIO or alternate function |
| Pino 24 | PE9 — GPIO or alternate function |
| Pino 25 | PE10 — GPIO or alternate function |
| Pino 26 | PE11 — GPIO or alternate function |
| Pino 27 | PE12 — GPIO or alternate function |
| Pino 28 | PE13 — GPIO or alternate function |
| Pino 29 | PE14 — GPIO or alternate function |
| Pino 30 | PE15 — GPIO or alternate function |
| Pino 31 | PB10 — GPIO or I2C2_SCL |
| Pino 32 | PB11 — GPIO or I2C2_SDA |
| Pino 33 | VCAP1 — Internal regulator capacitor |
| Pino 34 | VDD — Digital power supply |
| Pino 35 | VSS — Digital ground |
| Pino 36 | PB12 — GPIO or SPI2_NSS |
| Pino 37 | PB13 — GPIO or SPI2_SCK |
| Pino 38 | PB14 — GPIO or SPI2_MISO |
| Pino 39 | PB15 — GPIO or SPI2_MOSI |
| Pino 40 | PD8 — GPIO or USART3_TX |
| Pino 41 | PD9 — GPIO or USART3_RX |
| Pino 42 | PD10 — GPIO or USART3_CK |
| Pino 43 | PD11 — GPIO or USART3_CTS |
| Pino 44 | PD12 — GPIO or USART3_RTS |
| Pino 45 | PD13 — GPIO or alternate function |
| Pino 46 | PD14 — GPIO or alternate function |
| Pino 47 | PD15 — GPIO or alternate function |
| Pino 48 | PF2 — GPIO or alternate function |
| Pino 49 | PF3 — GPIO or alternate function |
| Pino 50 | PF4 — GPIO or alternate function |
| Pino 51 | PF5 — GPIO or alternate function |
| Pino 52 | PF6 — GPIO or alternate function |
| Pino 53 | PF7 — GPIO or alternate function |
| Pino 54 | PF8 — GPIO or alternate function |
| Pino 55 | PF9 — GPIO or alternate function |
| Pino 56 | PF10 — GPIO or alternate function |
| Pino 57 | VDD — Digital power supply |
| Pino 58 | VSS — Digital ground |
| Pino 59 | PF11 — GPIO or alternate function |
| Pino 60 | PF12 — GPIO or alternate function |
| Pino 61 | PF13 — GPIO or alternate function |
| Pino 62 | PF14 — GPIO or alternate function |
| Pino 63 | PF15 — GPIO or alternate function |
| Pino 64 | PG0 — GPIO or alternate function |
| Pino 65 | PG1 — GPIO or alternate function |
| Pino 66 | PE0 — GPIO or alternate function |
| Pino 67 | PE1 — GPIO or alternate function |
| Pino 68 | PB0 — GPIO or ADC input |
| Pino 69 | PB1 — GPIO or ADC input |
| Pino 70 | PB3 — GPIO or JTDO |
| Pino 71 | PB4 — GPIO or NJTRST |
| Pino 72 | PB5 — GPIO or I2C1_SMBA |
| Pino 73 | PB6 — GPIO or I2C1_SCL |
| Pino 74 | PB7 — GPIO or I2C1_SDA |
| Pino 75 | BOOT0 — Boot mode selection |
| Pino 76 | PB8 — GPIO or CAN_RX |
| Pino 77 | PB9 — GPIO or CAN_TX |
| Pino 78 | PE3 — GPIO or alternate function |
| Pino 79 | PE4 — GPIO or alternate function |
| Pino 80 | PE5 — GPIO or alternate function |
| Pino 81 | PE6 — GPIO or alternate function |
| Pino 82 | VDD — Digital power supply |
| Pino 83 | VSS — Digital ground |
| Pino 84 | PC6 — GPIO or alternate function |
| Pino 85 | PC7 — GPIO or alternate function |
| Pino 86 | PC8 — GPIO or alternate function |
| Pino 87 | PC9 — GPIO or alternate function |
| Pino 88 | PA0 — GPIO or ADC input |
| Pino 89 | PA1 — GPIO or ADC input |
| Pino 90 | PA2 — GPIO or USART2_TX |
| Pino 91 | PA3 — GPIO or USART2_RX |
| Pino 92 | PA4 — GPIO or DAC_OUT1 |
| Pino 93 | PA5 — GPIO or DAC_OUT2 |
| Pino 94 | PA6 — GPIO or SPI1_MISO |
| Pino 95 | PA7 — GPIO or SPI1_MOSI |
| Pino 96 | PC4 — GPIO or ADC input |
| Pino 97 | PC5 — GPIO or ADC input |
| Pino 98 | PB0 — GPIO or ADC input |
| Pino 99 | PB1 — GPIO or ADC input |
| Pino 100 | PB2 — GPIO or BOOT1 |
| Pino 101 | PE7 — GPIO or alternate function |
| Pino 102 | PE8 — GPIO or alternate function |
| Pino 103 | PE9 — GPIO or alternate function |
| Pino 104 | PE10 — GPIO or alternate function |
| Pino 105 | PE11 — GPIO or alternate function |
| Pino 106 | PE12 — GPIO or alternate function |
| Pino 107 | PE13 — GPIO or alternate function |
| Pino 108 | PE14 — GPIO or alternate function |
| Pino 109 | PE15 — GPIO or alternate function |
| Pino 110 | PB10 — GPIO or I2C2_SCL |
| Pino 111 | PB11 — GPIO or I2C2_SDA |
| Pino 112 | VCAP1 — Internal regulator capacitor |
| Pino 113 | VDD — Digital power supply |
| Pino 114 | VSS — Digital ground |
| Pino 115 | PB12 — GPIO or SPI2_NSS |
| Pino 116 | PB13 — GPIO or SPI2_SCK |
| Pino 117 | PB14 — GPIO or SPI2_MISO |
| Pino 118 | PB15 — GPIO or SPI2_MOSI |
| Pino 119 | PD8 — GPIO or USART3_TX |
| Pino 120 | PD9 — GPIO or USART3_RX |
| Pino 121 | PD10 — GPIO or USART3_CK |
| Pino 122 | PD11 — GPIO or USART3_CTS |
| Pino 123 | PD12 — GPIO or USART3_RTS |
| Pino 124 | PD13 — GPIO or alternate function |
| Pino 125 | PD14 — GPIO or alternate function |
| Pino 126 | PD15 — GPIO or alternate function |
| Pino 127 | PF2 — GPIO or alternate function |
| Pino 128 | PF3 — GPIO or alternate function |
| Pino 129 | PF4 — GPIO or alternate function |
| Pino 130 | PF5 — GPIO or alternate function |
| Pino 131 | PF6 — GPIO or alternate function |
| Pino 132 | PF7 — GPIO or alternate function |
| Pino 133 | PF8 — GPIO or alternate function |
| Pino 134 | PF9 — GPIO or alternate function |
| Pino 135 | PF10 — GPIO or alternate function |
| Pino 136 | VDD — Digital power supply |
| Pino 137 | VSS — Digital ground |
| Pino 138 | PF11 — GPIO or alternate function |
| Pino 139 | PF12 — GPIO or alternate function |
| Pino 140 | PF13 — GPIO or alternate function |
| Pino 141 | PF14 — GPIO or alternate function |
| Pino 142 | PF15 — GPIO or alternate function |
| Pino 143 | PG0 — GPIO or alternate function |
| Pino 144 | PG1 — GPIO or alternate function |
Aplicações típicas
STM32F303ZET6 é adequado para 6 aplicaçãos: Motor Control, Industrial Automation, Medical Devices, Audio Processing, Consumer Electronics, Test and Measurement.
Motor Control
The STM32F303ZET6 is ideal for field-oriented control (FOC) of brushless DC (BLDC) and permanent magnet synchronous motors (PMSM). Its advanced-control timers generate complementary PWM signals with dead-time insertion, while the 4x 12-bit ADCs (up to 5 MSPS) sample phase currents simultaneously. The Cortex-M4F FPU accelerates the Clarke/Park transforms and PI controllers, enabling high-bandwidth control loops. In a typical application, the MCU reads current sensors via the ADCs, computes the rotor position using Hall sensors or encoders, and outputs PWM to a 3-phase inverter. The on-chip comparators can be used for overcurrent protection, and the op-amps can condition current shunt signals without external amplifiers. Compared to using an external DSP, this integration reduces BOM cost and board space. Design considerations include proper grounding of the analog and power sections, and using the DMA to transfer ADC results to memory to reduce CPU load.
Recomendado
Industrial Automation
In industrial automation, the STM32F303ZET6 serves as a PLC or sensor controller. Its 5 USARTs, 3 SPIs, and 2 I2Cs allow connection to various fieldbuses (Modbus, CANopen) and sensors. The 12-bit DACs can generate analog setpoints, and the op-amps can interface with 4-20mA current loops. The device's robust operating temperature range (-40C to +85C) and high EMC robustness make it suitable for factory floors. In a typical PLC I/O module, the MCU reads digital inputs, processes logic, and drives outputs via relays or transistors. The DMA controller offloads data transfer, and the RNG can be used for secure communication. Design considerations include isolating the MCU from high-voltage sections using optocouplers, and providing a stable power supply with proper decoupling.
Recomendado
Medical Devices
The STM32F303ZET6 is used in medical devices such as patient monitors, infusion pumps, and diagnostic equipment. Its high-resolution ADCs and op-amps enable precise biosignal acquisition (ECG, EEG, SpO2). The FPU processes filtering algorithms (e.g., digital filters) in real-time. The device's low-power modes extend battery life in portable monitors. In a pulse oximeter, the MCU drives LEDs, reads photodiode signals via the ADC, and computes oxygen saturation using DSP. The comparators can detect abnormal signal levels. Design considerations include ensuring electrical safety (isolation), using medical-grade power supplies, and implementing fail-safe mechanisms. The device's rich peripheral set reduces external component count, improving reliability.
Recomendado
Audio Processing
The STM32F303ZET6 can handle audio processing tasks such as active noise cancellation, audio effects, and voice recognition. Its Cortex-M4F FPU and DSP instructions accelerate FFT and filtering. The 2x 12-bit DACs can output analog audio, and the I2S interface (via SPI) connects to external audio codecs. In a hearing aid, the MCU samples microphone input via the ADC, applies noise reduction algorithms, and outputs to a speaker via the DAC. The low-power modes are crucial for battery life. Design considerations include using a low-noise analog supply for the ADC/DAC, and careful PCB layout to minimize digital noise coupling into the analog path.
Recomendado
Consumer Electronics
In consumer electronics, the STM32F303ZET6 is used in smart home controllers, gaming peripherals, and wearable devices. Its USB 2.0 FS interface enables direct connection to PCs or smartphones. The device's rich analog peripherals allow touch sensing (via ADC) and environmental monitoring. In a smart thermostat, the MCU reads temperature sensors, controls a relay for HVAC, and communicates via Wi-Fi (through an external module). The low-power modes enable battery operation. Design considerations include optimizing power consumption, using a real-time clock (RTC) for scheduling, and ensuring ESD protection on user-facing interfaces.
Recomendado
Test and Measurement
The STM32F303ZET6 is suitable for portable test equipment like multimeters, data loggers, and oscilloscopes. Its high-speed ADCs (5 MSPS) capture fast signals, and the DMA transfers data to memory without CPU intervention. The op-amps condition input signals, and the comparators can trigger measurements. In a data logger, the MCU samples multiple analog channels, stores data to an SD card (via SPI), and displays results on an LCD. The USB interface allows data transfer to a PC. Design considerations include using a precision voltage reference for the ADC, and implementing proper anti-aliasing filters.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para STM32F303ZET6 — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | STM32F303ZET7 | STM32F303ZDT6 | STM32F303ZCT6 |
|---|---|---|---|---|
| Package | LQFP144 | LQFP144 | LQFP144 | LQFP144 |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Core | ARM Cortex-M4F | ARM Cortex-M4F | ARM Cortex-M4F | ARM Cortex-M4F |
| Maximum Clock Speed | 72 MHz | 72 MHz | 72 MHz | 72 MHz |
| Flash Memory | 512 KB | 512 KB | 384 KB | 256 KB |
| SRAM | 64 KB | 64 KB | 48 KB | 40 KB |
| Operating Temperature | -40C to +85C | -40C to +105C | -40C to +85C | -40C to +85C |
| Number of I/O Pins | 112 | 112 | 112 | 112 |
| ADC | 4x 12-bit, 5 MSPS | 4x 12-bit, 5 MSPS | 4x 12-bit, 5 MSPS | 4x 12-bit, 5 MSPS |
| DAC | 2x 12-bit | 2x 12-bit | 2x 12-bit | 2x 12-bit |
Principais diferenciais
- Integrated analog peripherals (op-amps, comparators, DACs) (vs STM32F103ZET6)
- Higher ADC sampling rate (5 MSPS) (vs STM32F103ZET6)
- Floating-point unit (FPU) (vs STM32F103ZET6)
Notas de projeto
The STM32F303ZET6 requires a 2.0V to 3.6V supply. Decouple each VDD pin with a 100nF ceramic capacitor and a 4.7uF bulk capacitor placed close to the pins. The VDDA pin must be connected to a clean analog supply, typically through a ferrite bead and a 1uF capacitor, to achieve the specified ADC accuracy. The VCAP1 pin requires a 2.2uF capacitor to stabilize the internal voltage regulator.
For the LQFP144 package, ensure proper solder paste stencil design for the 0.5mm pitch leads. Use a 4-layer PCB with dedicated ground and power planes to minimize noise. Place the crystal oscillator (if used) close to the OSC_IN/OSC_OUT pins and keep the trace lengths short. For ADC inputs, route analog traces away from digital switching signals to reduce crosstalk.
A common mistake is forgetting to connect the BOOT0 pin correctly. For normal operation, BOOT0 should be tied low (through a resistor) to boot from flash. Also, ensure the NRST pin has a 100nF capacitor to ground for reliable reset. When using the USB peripheral, the USB_DM and USB_DP pins require 22-ohm series resistors and proper impedance matching.
Informações de conformidade
RoHS and REACH compliant per STMicroelectronics. Not AEC-Q100 qualified; for automotive, consider STM32F303ZET7 or other automotive-grade variants.
