STM32F437IIT6 - 180MHz 2MB Flash ARM Cortex-M4 MCU | STMicroelectronics
Артикул: STM32F437IIT6 ✓ Активен| Кол-во | Цена за ед. | Итого |
|---|---|---|
| 1 | $18.5 | $18,50 |
| 10 | $16.65 | $166,50 |
| 100 | $14.8 | $1.480,00 |
| 500 | $13.32 | $6.660,00 |
| 1.000 | $11.84 | $11.840,00 |
STM32F437IIT6 Обзор
A microcontroller (MCU) is a self-contained computer on a single chip that combines a processor core, program memory (Flash), data memory (SRAM), and configurable peripherals such as timers, serial interfaces, and analog-to-digital converters. MCUs sit at the heart of embedded systems, forming the boundary between the physical world (sensors, actuators) and digital processing. The STM32F437IIT6 belongs to the STM32F4 high-performance family, which itself is part of the broader STM32 32-bit ARM Cortex-M portfolio, positioned above the mainstream STM32F1/F0 lines and below the graphics-capable STM32F7/H7 series.
Key features include 2 MB dual-bank Flash with read-while-write capability, 256 KB SRAM plus 4 KB backup SRAM, a Chrom-ART Accelerator for 2D graphics, a hardware JPEG codec, and a true random number generator (RNG). The device provides 140 general-purpose I/O pins, three 12-bit ADCs (24 channels, up to 2.4 MSPS), two 12-bit DACs, and a rich set of communication peripherals including Ethernet MAC, USB OTG HS/FS, CAN, and multiple USART/SPI/I2C interfaces.
The STM32F437IIT6 is built on ST's 90 nm embedded Flash process and operates from 1.7 V to 3.6 V, with a typical run-mode current of 38 mA at 180 MHz. Its ART Accelerator and adaptive real-time memory accelerator allow true zero-wait-state execution, while the FPU and DSP instruction set enable efficient motor control, audio processing, and sensor fusion algorithms without an external coprocessor.
Typical applications include industrial motor drives and PLCs, audio and voice processing equipment, medical instrumentation, and IoT gateways requiring Ethernet connectivity. The 176-pin LQFP package with 140 I/O makes it well suited to designs needing extensive peripheral fan-out.
When designing with this device, ensure the VCAP pins are decoupled with the specified 2.2 uF low-ESR capacitors and that the 1.2 V core regulator is not loaded externally. The dual-bank Flash supports in-application programming, which is valuable for field firmware updates.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, giving engineers a single reference for selection, second-sourcing, and layout decisions.
Аналоги без доработки для STM32F437IIT6 — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.
Варианты в этой серии
Модели той же серии, совместимые без доработки с STM32F437IIT6 (тот же форм-фактор и посадочное место) — отличается по Package, SRAM, Flash Memory, Mounting Type, ADC.
Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:
STM32F439IIT6
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
STM32F427IIT6
✅ Прямая замена✓ В наличии
$11.2 / шт.
Открыть даташит →STM32F429IIT6
✅ Прямая замена✓ В наличии
$8.3523 / шт.
Открыть даташит →STM32F437IIH6
✅ Прямая замена ⚠️ Характеристики не проверены✓ В наличии
$10.6 / шт.
Открыть даташит →STM32F437IIT7
✅ Прямая замена ⚠️ Характеристики не проверены📋 Справочный аналог (нет в каталоге)
STM32F437IIT6 Максимальные параметры и электрические характеристики
| Core | ARM Cortex-M4 32-bit RISC with FPU |
| Maximum CPU Frequency | 180 MHz |
| Flash Memory | 2 MB (2M x 8), dual-bank |
| SRAM | 256 KB + 4 KB backup SRAM |
| DMIPS | 225 DMIPS at 180 MHz |
| Supply Voltage Range | 1.7 V to 3.6 V |
| Рабочая температура | -40 C to +85 C |
| Корпус | LQFP-176 (24x24 mm) |
| Number of I/O Pins | 140 |
| ADC | 3x 12-bit, 24 channels, up to 2.4 MSPS |
| DAC | 2x 12-bit |
| Communication Interfaces | Ethernet MAC, USB OTG HS/FS, CAN, USART, SPI, I2C |
| Timers | Advanced-control, general-purpose and basic timers |
| Graphics Accelerator | Chrom-ART Accelerator (DMA2D) |
| Security Features | True random number generator (RNG), hardware crypto |
| Тип монтажа | Surface Mount |
| Статус RoHS | Compliant |
Конфигурация выводов STM32F437IIT6
| Контакт 1 | PE2 — GPIO port E bit 2 |
| Контакт 2 | PE3 — GPIO port E bit 3 |
| Контакт 3 | PE4 — GPIO port E bit 4 |
| Контакт 4 | PE5 — GPIO port E bit 5 |
| Контакт 5 | PE6 — GPIO port E bit 6 |
| Контакт 6 | VBAT — Backup domain supply voltage |
| Контакт 7 | PC13 — GPIO port C bit 13 |
| Контакт 8 | PC14-OSC32_IN — GPIO / 32.768 kHz oscillator input |
| Контакт 9 | PC15-OSC32_OUT — GPIO / 32.768 kHz oscillator output |
| Контакт 10 | PF0 — GPIO port F bit 0 |
| Контакт 11 | PF1 — GPIO port F bit 1 |
| Контакт 12 | PF2 — GPIO port F bit 2 |
| Контакт 13 | PF3 — GPIO port F bit 3 |
| Контакт 14 | PF4 — GPIO port F bit 4 |
| Контакт 15 | PF5 — GPIO port F bit 5 |
| Контакт 16 | VSS — Ground |
| Контакт 17 | VDD — Digital supply voltage |
| Контакт 18 | PF6 — GPIO port F bit 6 |
| Контакт 19 | PF7 — GPIO port F bit 7 |
| Контакт 20 | PF8 — GPIO port F bit 8 |
| Контакт 21 | PF9 — GPIO port F bit 9 |
| Контакт 22 | PF10 — GPIO port F bit 10 |
| Контакт 23 | PH0-OSC_IN — GPIO / HSE oscillator input |
| Контакт 24 | PH1-OSC_OUT — GPIO / HSE oscillator output |
| Контакт 25 | NRST — Reset input (active low) |
| Контакт 26 | PC0 — GPIO port C bit 0 |
| Контакт 27 | PC1 — GPIO port C bit 1 |
| Контакт 28 | PC2 — GPIO port C bit 2 |
| Контакт 29 | PC3 — GPIO port C bit 3 |
| Контакт 30 | VDD — Digital supply voltage |
| Контакт 31 | VSSA — Analog ground |
| Контакт 32 | VREF+ — ADC/DAC reference voltage |
| Контакт 33 | VDDA — Analog supply voltage |
| Контакт 34 | PA0-WKUP — GPIO / wakeup pin |
| Контакт 35 | PA1 — GPIO port A bit 1 |
| Контакт 36 | PA2 — GPIO port A bit 2 |
| Контакт 37 | PA3 — GPIO port A bit 3 |
| Контакт 38 | VSS — Ground |
| Контакт 39 | VDD — Digital supply voltage |
| Контакт 40 | PA4 — GPIO port A bit 4 |
| Контакт 41 | PA5 — GPIO port A bit 5 |
| Контакт 42 | PA6 — GPIO port A bit 6 |
| Контакт 43 | PA7 — GPIO port A bit 7 |
| Контакт 44 | PC4 — GPIO port C bit 4 |
| Контакт 45 | PC5 — GPIO port C bit 5 |
| Контакт 46 | PB0 — GPIO port B bit 0 |
| Контакт 47 | PB1 — GPIO port B bit 1 |
| Контакт 48 | PB2 — GPIO port B bit 2 |
| Контакт 49 | PF11 — GPIO port F bit 11 |
| Контакт 50 | PF12 — GPIO port F bit 12 |
| Контакт 51 | VSS — Ground |
| Контакт 52 | VDD — Digital supply voltage |
| Контакт 53 | PF13 — GPIO port F bit 13 |
| Контакт 54 | PF14 — GPIO port F bit 14 |
| Контакт 55 | PF15 — GPIO port F bit 15 |
| Контакт 56 | PG0 — GPIO port G bit 0 |
| Контакт 57 | PG1 — GPIO port G bit 1 |
| Контакт 58 | PE7 — GPIO port E bit 7 |
| Контакт 59 | PE8 — GPIO port E bit 8 |
| Контакт 60 | PE9 — GPIO port E bit 9 |
| Контакт 61 | VSS — Ground |
| Контакт 62 | VDD — Digital supply voltage |
| Контакт 63 | PE10 — GPIO port E bit 10 |
| Контакт 64 | PE11 — GPIO port E bit 11 |
| Контакт 65 | PE12 — GPIO port E bit 12 |
| Контакт 66 | PE13 — GPIO port E bit 13 |
| Контакт 67 | PE14 — GPIO port E bit 14 |
| Контакт 68 | PE15 — GPIO port E bit 15 |
| Контакт 69 | PB10 — GPIO port B bit 10 |
| Контакт 70 | PB11 — GPIO port B bit 11 |
| Контакт 71 | VCAP_1 — Core regulator decoupling capacitor |
| Контакт 72 | VDD — Digital supply voltage |
| Контакт 73 | PB12 — GPIO port B bit 12 |
| Контакт 74 | PB13 — GPIO port B bit 13 |
| Контакт 75 | PB14 — GPIO port B bit 14 |
| Контакт 76 | PB15 — GPIO port B bit 15 |
| Контакт 77 | PD8 — GPIO port D bit 8 |
| Контакт 78 | PD9 — GPIO port D bit 9 |
| Контакт 79 | PD10 — GPIO port D bit 10 |
| Контакт 80 | PD11 — GPIO port D bit 11 |
| Контакт 81 | PD12 — GPIO port D bit 12 |
| Контакт 82 | PD13 — GPIO port D bit 13 |
| Контакт 83 | PD14 — GPIO port D bit 14 |
| Контакт 84 | PD15 — GPIO port D bit 15 |
| Контакт 85 | PG2 — GPIO port G bit 2 |
| Контакт 86 | PG3 — GPIO port G bit 3 |
| Контакт 87 | PG4 — GPIO port G bit 4 |
| Контакт 88 | PG5 — GPIO port G bit 5 |
| Контакт 89 | PG6 — GPIO port G bit 6 |
| Контакт 90 | PG7 — GPIO port G bit 7 |
| Контакт 91 | PG8 — GPIO port G bit 8 |
| Контакт 92 | VSS — Ground |
| Контакт 93 | VDD — Digital supply voltage |
| Контакт 94 | PC6 — GPIO port C bit 6 |
| Контакт 95 | PC7 — GPIO port C bit 7 |
| Контакт 96 | PC8 — GPIO port C bit 8 |
| Контакт 97 | PC9 — GPIO port C bit 9 |
| Контакт 98 | PA8 — GPIO port A bit 8 |
| Контакт 99 | PA9 — GPIO port A bit 9 |
| Контакт 100 | PA10 — GPIO port A bit 10 |
| Контакт 101 | PA11 — GPIO port A bit 11 |
| Контакт 102 | PA12 — GPIO port A bit 12 |
| Контакт 103 | PA13 — GPIO port A bit 13 |
| Контакт 104 | VCAP_2 — Core regulator decoupling capacitor |
| Контакт 105 | VSS — Ground |
| Контакт 106 | VDD — Digital supply voltage |
| Контакт 107 | PA14 — GPIO port A bit 14 |
| Контакт 108 | PA15 — GPIO port A bit 15 |
| Контакт 109 | PC10 — GPIO port C bit 10 |
| Контакт 110 | PC11 — GPIO port C bit 11 |
| Контакт 111 | PC12 — GPIO port C bit 12 |
| Контакт 112 | PD0 — GPIO port D bit 0 |
| Контакт 113 | PD1 — GPIO port D bit 1 |
| Контакт 114 | PD2 — GPIO port D bit 2 |
| Контакт 115 | PD3 — GPIO port D bit 3 |
| Контакт 116 | PD4 — GPIO port D bit 4 |
| Контакт 117 | PD5 — GPIO port D bit 5 |
| Контакт 118 | VSS — Ground |
| Контакт 119 | VDD — Digital supply voltage |
| Контакт 120 | PD6 — GPIO port D bit 6 |
| Контакт 121 | PD7 — GPIO port D bit 7 |
| Контакт 122 | PG9 — GPIO port G bit 9 |
| Контакт 123 | PG10 — GPIO port G bit 10 |
| Контакт 124 | PG11 — GPIO port G bit 11 |
| Контакт 125 | PG12 — GPIO port G bit 12 |
| Контакт 126 | PG13 — GPIO port G bit 13 |
| Контакт 127 | PG14 — GPIO port G bit 14 |
| Контакт 128 | VSS — Ground |
| Контакт 129 | VDD — Digital supply voltage |
| Контакт 130 | PG15 — GPIO port G bit 15 |
| Контакт 131 | PB3 — GPIO port B bit 3 |
| Контакт 132 | PB4 — GPIO port B bit 4 |
| Контакт 133 | PB5 — GPIO port B bit 5 |
| Контакт 134 | PB6 — GPIO port B bit 6 |
| Контакт 135 | PB7 — GPIO port B bit 7 |
| Контакт 136 | BOOT0 — Boot mode selection input |
| Контакт 137 | PB8 — GPIO port B bit 8 |
| Контакт 138 | PB9 — GPIO port B bit 9 |
| Контакт 139 | PE0 — GPIO port E bit 0 |
| Контакт 140 | PE1 — GPIO port E bit 1 |
| Контакт 141 | VSS — Ground |
| Контакт 142 | VDD — Digital supply voltage |
| Контакт 143 | PF11 — GPIO port F bit 11 (alternate function) |
| Контакт 144 | PF12 — GPIO port F bit 12 (alternate function) |
| Контакт 145 | PF13 — GPIO port F bit 13 (alternate function) |
| Контакт 146 | PF14 — GPIO port F bit 14 (alternate function) |
| Контакт 147 | PF15 — GPIO port F bit 15 (alternate function) |
| Контакт 148 | PG0 — GPIO port G bit 0 (alternate function) |
| Контакт 149 | PG1 — GPIO port G bit 1 (alternate function) |
| Контакт 150 | VSS — Ground |
| Контакт 151 | VDD — Digital supply voltage |
| Контакт 152 | PG2 — GPIO port G bit 2 (alternate function) |
| Контакт 153 | PG3 — GPIO port G bit 3 (alternate function) |
| Контакт 154 | PG4 — GPIO port G bit 4 (alternate function) |
| Контакт 155 | PG5 — GPIO port G bit 5 (alternate function) |
| Контакт 156 | PG6 — GPIO port G bit 6 (alternate function) |
| Контакт 157 | PG7 — GPIO port G bit 7 (alternate function) |
| Контакт 158 | PG8 — GPIO port G bit 8 (alternate function) |
| Контакт 159 | VSS — Ground |
| Контакт 160 | VDD — Digital supply voltage |
| Контакт 161 | PC6 — GPIO port C bit 6 (alternate function) |
| Контакт 162 | PC7 — GPIO port C bit 7 (alternate function) |
| Контакт 163 | PC8 — GPIO port C bit 8 (alternate function) |
| Контакт 164 | PC9 — GPIO port C bit 9 (alternate function) |
| Контакт 165 | PA8 — GPIO port A bit 8 (alternate function) |
| Контакт 166 | PA9 — GPIO port A bit 9 (alternate function) |
| Контакт 167 | PA10 — GPIO port A bit 10 (alternate function) |
| Контакт 168 | PA11 — GPIO port A bit 11 (alternate function) |
| Контакт 169 | PA12 — GPIO port A bit 12 (alternate function) |
| Контакт 170 | PA13 — GPIO port A bit 13 (alternate function) |
| Контакт 171 | VSS — Ground |
| Контакт 172 | VDD — Digital supply voltage |
| Контакт 173 | PA14 — GPIO port A bit 14 (alternate function) |
| Контакт 174 | PA15 — GPIO port A bit 15 (alternate function) |
| Контакт 175 | PC10 — GPIO port C bit 10 (alternate function) |
| Контакт 176 | PC11 — GPIO port C bit 11 (alternate function) |
Типичное применение
STM32F437IIT6 подходит для 6 применениеs: Industrial Motor Control and Drives, Audio and Voice Processing Equipment, Medical Instrumentation and Patient Monitoring, IoT Gateways and Industrial Networking, Graphical User Interface and HMI Panels, Test and Measurement Instrumentation.
Industrial Motor Control and Drives
The STM32F437IIT6 fits industrial motor control because its 180 MHz Cortex-M4 with FPU and DSP instructions executes field-oriented control (FOC) loops in well under 10 us, while three 12-bit ADCs sampling at up to 2.4 MSPS capture three-phase current feedback simultaneously. Advanced-control timers generate complementary PWM with programmable dead-time for inverter bridges, and the CAN interface links drives to industrial networks. In a typical three-phase inverter, the MCU runs the Clarke/Park transforms and PI current regulators in hardware-accelerated floating point, leaving headroom for position estimation and safety monitoring. The trade-off versus a dedicated motor-control MCU is higher power consumption, but the 2 MB Flash accommodates complex control algorithms and communication stacks without external memory.
Рекомендуется
Audio and Voice Processing Equipment
The STM32F437IIT6 suits audio processing because its Cortex-M4 FPU and DSP instruction set handle FIR/IIR filtering, FFT, and sample-rate conversion in real time, while the two 12-bit DACs and I2S peripherals interface directly to audio codecs. The 2 MB Flash stores filter coefficients and audio buffers, and the 256 KB SRAM supports double-buffered DMA transfers that keep the CPU free for algorithm execution. In a voice-processing front end, the MCU performs beamforming and noise suppression across multiple microphone channels before streaming over USB or Ethernet. The trade-off is that the on-chip DACs are 12-bit, so high-fidelity designs pair the MCU with an external 24-bit codec such as the SGTL5000 for the analog conversion stage.
Рекомендуется
Medical Instrumentation and Patient Monitoring
The STM32F437IIT6 is used in medical instrumentation because its three 12-bit ADCs with 24 channels digitize ECG, SpO2, and pressure signals, while the FPU executes digital filtering and QRS detection algorithms at 180 MHz. The true random number generator and hardware crypto support secure patient-data transmission, and the dual-bank Flash enables fail-safe firmware updates in certified devices. In a bedside monitor, the MCU acquires multiple physiological channels through DMA, applies bandpass filtering, and drives a display or Ethernet backhaul. The trade-off versus a lower-power Cortex-M0+ is higher current draw, so battery-powered monitors should duty-cycle the core or select an ultra-low-power STM32L variant instead.
Рекомендуется
IoT Gateways and Industrial Networking
The STM32F437IIT6 serves IoT gateways because it integrates an IEEE 1588-capable Ethernet MAC, USB OTG HS/FS, and multiple CAN and USART interfaces, allowing a single chip to bridge fieldbus, USB, and IP networks. The 2 MB Flash hosts TCP/IP stacks, TLS, and application logic, while the 256 KB SRAM buffers packets across interfaces. In a gateway design, the MCU runs an RTOS with lwIP, terminates Modbus or CANopen on the field side, and forwards data over Ethernet to a cloud broker. The trade-off is that the integrated MAC requires an external PHY and magnetics, adding BOM cost compared with modules that integrate the full physical layer.
Рекомендуется
Graphical User Interface and HMI Panels
The STM32F437IIT6 supports graphical user interfaces through its Chrom-ART Accelerator (DMA2D), which offloads pixel-format conversion, blending, and rectangle filling from the CPU, and its hardware JPEG codec, which decodes images without software overhead. The 2 MB Flash stores GUI assets and fonts, and the 140 I/O pins drive external display controllers or memory-mapped LCD interfaces. In an HMI panel, the MCU composites layered graphics into a frame buffer while the CPU services touch input and control logic. The trade-off versus the STM32F429 is the absence of an on-chip TFT-LCD controller, so designs needing a direct RGB display interface should select the STM32F429IIT6 instead.
Рекомендуется
Test and Measurement Instrumentation
The STM32F437IIT6 is used in test and measurement equipment because its 12-bit ADCs at 2.4 MSPS and dual 12-bit DACs enable signal generation and acquisition, while the FPU performs FFT and RMS calculations in real time. The 180 MHz core and 2 MB Flash support waveform storage and measurement algorithms, and the USB OTG HS interface streams data to a host PC at high speed. In a portable instrument, the MCU acquires a signal, computes spectral content, and renders results to a display or USB link. The trade-off is that 12-bit ADC resolution limits dynamic range, so precision instruments should pair the MCU with an external 16- or 24-bit ADC.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для STM32F437IIT6 — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | STM32F439IIT6 | STM32F427IIT6 | STM32F429IIT6 |
|---|---|---|---|---|
| Package | LQFP-176 (24x24) | LQFP-176 (24x24) - same | LQFP-176 (24x24) - same | LQFP-176 (24x24) - same |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Core / Frequency | ARM Cortex-M4, 180 MHz | ARM Cortex-M4, 180 MHz | ARM Cortex-M4, 180 MHz | ARM Cortex-M4, 180 MHz |
| Flash Memory | 2 MB dual-bank | 2 MB dual-bank | 2 MB dual-bank | 2 MB dual-bank |
| SRAM | 256 KB + 4 KB backup | 256 KB + 4 KB backup | 256 KB + 4 KB backup | 256 KB + 4 KB backup |
| Graphics Accelerator | Chrom-ART (DMA2D) + JPEG codec | Chrom-ART (DMA2D) + JPEG codec | None | Chrom-ART (DMA2D), no JPEG codec |
| LCD-TFT Controller | No | Yes | No | Yes |
| Crypto / RNG | RNG only | Crypto/hash processor + RNG | None | RNG only |
| Supply Voltage | 1.7 V to 3.6 V | 1.7 V to 3.6 V | 1.7 V to 3.6 V | 1.7 V to 3.6 V |
| GPIO Count | 140 | 140 | 140 | 140 |
Ключевые отличия
- Integrated Chrom-ART graphics accelerator and JPEG codec (против STM32F427IIT6)
- True random number generator for security functions (против STM32F427IIT6)
- Lower cost than the crypto-equipped STM32F439IIT6 (против STM32F439IIT6)
Заметки по проектированию
The STM32F437IIT6 requires 2.2 uF low-ESR ceramic capacitors on each VCAP pin (VCAP_1 and VCAP_2) to stabilize the internal 1.2 V core regulator. Place these capacitors within 5 mm of the pins and connect them to the nearest ground plane with short, wide traces. Do not connect any external load to the VCAP pins. Estimated: at 180 MHz run mode the core draws approximately 38 mA typical, so the regulator's decoupling must handle fast transient current steps during wake-from-sleep events.
Use a solid ground plane under the LQFP-176 package and provide at least one 100 nF decoupling capacitor per VDD pin pair, plus a bulk 10 uF capacitor near the package corner. Route the high-speed USB OTG HS differential pair as 90 ohm impedance-controlled traces and keep them away from the ADC reference pins. The 24x24 mm body requires careful thermal relief on the ground pads to avoid tombstoning during reflow.
Do not leave the BOOT0 pin floating; tie it to ground through a 10 kOhm resistor for normal Flash boot. The NRST pin has an internal pull-up but adding an external 100 nF capacitor improves noise immunity. When using the ADC, keep VREF+ decoupled with a 1 uF plus 10 nF capacitor and avoid routing digital signals beneath the analog supply pins. Estimated: ADC accuracy degrades by roughly 1 LSB for every 10 mV of noise on VREF+.
Информация о соответствии
RoHS and REACH compliance per STMicroelectronics product page. Not AEC-Q100 qualified; automotive designs should select an STM32F4 automotive-grade variant.
