STM32F437IIT6 - 180MHz 2MB Flash ARM Cortex-M4 MCU | STMicroelectronics
MPN: STM32F437IIT6 ✓ AktifSTM32F437IIT6 Ringkasan
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.
Alternatif penggantian untuk STM32F437IIT6 — paket yang sama, pin-pada-pin kompatibel. Bagian paket yang berbeda memerlukan kerja ulang PCB diabaikan.
Variasi di dalam seri ini
Model-series yang sama yang kompatibel dengan penggantian STM32F437IIT6 (sama faktor bentuk dan footprint) — berbeda di dalam Package, Flash Memory, Mounting Type, SRAM, ADC.
STM32F439IIT6
✅ Drop-In📋 Alternatif referensi (tidak dalam katalog)
STM32F427IIT6
✅ Drop-InKontak untuk harga
Lihat Datasheet →STM32F429IIT6
✅ Drop-In✗ Habis Stok
$8.3523 / Satuan
Lihat Datasheet →STM32F437IIH6
✅ Drop-In ⚠️ Spesifikasi Tidak DisahkanKontak untuk harga
Lihat Datasheet →STM32F437IIT7
✅ Drop-In ⚠️ Spesifikasi Tidak Disahkan📋 Alternatif referensi (tidak dalam katalog)
STM32F437IIT6 Rating Maksimal & Karakteristik Listrik
| 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 |
| Suhu Kerja | -40 C to +85 C |
| Paket | 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 |
| Tipe Mounting | Surface Mount |
| Status RoHS | Compliant |
Konfigurasi Pin STM32F437IIT6
| Pin produk 1 | PE2 — GPIO port E bit 2 |
| Pin produk 2 | PE3 — GPIO port E bit 3 |
| Pin produk 3 | PE4 — GPIO port E bit 4 |
| Pin produk 4 | PE5 — GPIO port E bit 5 |
| Pin produk 5 | PE6 — GPIO port E bit 6 |
| Pin produk 6 | VBAT — Backup domain supply voltage |
| Pin produk 7 | PC13 — GPIO port C bit 13 |
| Pin produk 8 | PC14-OSC32_IN — GPIO / 32.768 kHz oscillator input |
| Pin produk 9 | PC15-OSC32_OUT — GPIO / 32.768 kHz oscillator output |
| Pin produk 10 | PF0 — GPIO port F bit 0 |
| Pin produk 11 | PF1 — GPIO port F bit 1 |
| Pin produk 12 | PF2 — GPIO port F bit 2 |
| Pin produk 13 | PF3 — GPIO port F bit 3 |
| Pin produk 14 | PF4 — GPIO port F bit 4 |
| Pin produk 15 | PF5 — GPIO port F bit 5 |
| Pin produk 16 | VSS — Ground |
| Pin produk 17 | VDD — Digital supply voltage |
| Pin produk 18 | PF6 — GPIO port F bit 6 |
| Pin produk 19 | PF7 — GPIO port F bit 7 |
| Pin produk 20 | PF8 — GPIO port F bit 8 |
| Pin produk 21 | PF9 — GPIO port F bit 9 |
| Pin produk 22 | PF10 — GPIO port F bit 10 |
| Pin produk 23 | PH0-OSC_IN — GPIO / HSE oscillator input |
| Pin produk 24 | PH1-OSC_OUT — GPIO / HSE oscillator output |
| Pin produk 25 | NRST — Reset input (active low) |
| Pin produk 26 | PC0 — GPIO port C bit 0 |
| Pin produk 27 | PC1 — GPIO port C bit 1 |
| Pin produk 28 | PC2 — GPIO port C bit 2 |
| Pin produk 29 | PC3 — GPIO port C bit 3 |
| Pin produk 30 | VDD — Digital supply voltage |
| Pin produk 31 | VSSA — Analog ground |
| Pin produk 32 | VREF+ — ADC/DAC reference voltage |
| Pin produk 33 | VDDA — Analog supply voltage |
| Pin produk 34 | PA0-WKUP — GPIO / wakeup pin |
| Pin produk 35 | PA1 — GPIO port A bit 1 |
| Pin produk 36 | PA2 — GPIO port A bit 2 |
| Pin produk 37 | PA3 — GPIO port A bit 3 |
| Pin produk 38 | VSS — Ground |
| Pin produk 39 | VDD — Digital supply voltage |
| Pin produk 40 | PA4 — GPIO port A bit 4 |
| Pin produk 41 | PA5 — GPIO port A bit 5 |
| Pin produk 42 | PA6 — GPIO port A bit 6 |
| Pin produk 43 | PA7 — GPIO port A bit 7 |
| Pin produk 44 | PC4 — GPIO port C bit 4 |
| Pin produk 45 | PC5 — GPIO port C bit 5 |
| Pin produk 46 | PB0 — GPIO port B bit 0 |
| Pin produk 47 | PB1 — GPIO port B bit 1 |
| Pin produk 48 | PB2 — GPIO port B bit 2 |
| Pin produk 49 | PF11 — GPIO port F bit 11 |
| Pin produk 50 | PF12 — GPIO port F bit 12 |
| Pin produk 51 | VSS — Ground |
| Pin produk 52 | VDD — Digital supply voltage |
| Pin produk 53 | PF13 — GPIO port F bit 13 |
| Pin produk 54 | PF14 — GPIO port F bit 14 |
| Pin produk 55 | PF15 — GPIO port F bit 15 |
| Pin produk 56 | PG0 — GPIO port G bit 0 |
| Pin produk 57 | PG1 — GPIO port G bit 1 |
| Pin produk 58 | PE7 — GPIO port E bit 7 |
| Pin produk 59 | PE8 — GPIO port E bit 8 |
| Pin produk 60 | PE9 — GPIO port E bit 9 |
| Pin produk 61 | VSS — Ground |
| Pin produk 62 | VDD — Digital supply voltage |
| Pin produk 63 | PE10 — GPIO port E bit 10 |
| Pin produk 64 | PE11 — GPIO port E bit 11 |
| Pin produk 65 | PE12 — GPIO port E bit 12 |
| Pin produk 66 | PE13 — GPIO port E bit 13 |
| Pin produk 67 | PE14 — GPIO port E bit 14 |
| Pin produk 68 | PE15 — GPIO port E bit 15 |
| Pin produk 69 | PB10 — GPIO port B bit 10 |
| Pin produk 70 | PB11 — GPIO port B bit 11 |
| Pin produk 71 | VCAP_1 — Core regulator decoupling capacitor |
| Pin produk 72 | VDD — Digital supply voltage |
| Pin produk 73 | PB12 — GPIO port B bit 12 |
| Pin produk 74 | PB13 — GPIO port B bit 13 |
| Pin produk 75 | PB14 — GPIO port B bit 14 |
| Pin produk 76 | PB15 — GPIO port B bit 15 |
| Pin produk 77 | PD8 — GPIO port D bit 8 |
| Pin produk 78 | PD9 — GPIO port D bit 9 |
| Pin produk 79 | PD10 — GPIO port D bit 10 |
| Pin produk 80 | PD11 — GPIO port D bit 11 |
| Pin produk 81 | PD12 — GPIO port D bit 12 |
| Pin produk 82 | PD13 — GPIO port D bit 13 |
| Pin produk 83 | PD14 — GPIO port D bit 14 |
| Pin produk 84 | PD15 — GPIO port D bit 15 |
| Pin produk 85 | PG2 — GPIO port G bit 2 |
| Pin produk 86 | PG3 — GPIO port G bit 3 |
| Pin produk 87 | PG4 — GPIO port G bit 4 |
| Pin produk 88 | PG5 — GPIO port G bit 5 |
| Pin produk 89 | PG6 — GPIO port G bit 6 |
| Pin produk 90 | PG7 — GPIO port G bit 7 |
| Pin produk 91 | PG8 — GPIO port G bit 8 |
| Pin produk 92 | VSS — Ground |
| Pin produk 93 | VDD — Digital supply voltage |
| Pin produk 94 | PC6 — GPIO port C bit 6 |
| Pin produk 95 | PC7 — GPIO port C bit 7 |
| Pin produk 96 | PC8 — GPIO port C bit 8 |
| Pin produk 97 | PC9 — GPIO port C bit 9 |
| Pin produk 98 | PA8 — GPIO port A bit 8 |
| Pin produk 99 | PA9 — GPIO port A bit 9 |
| Pin produk 100 | PA10 — GPIO port A bit 10 |
| Pin produk 101 | PA11 — GPIO port A bit 11 |
| Pin produk 102 | PA12 — GPIO port A bit 12 |
| Pin produk 103 | PA13 — GPIO port A bit 13 |
| Pin produk 104 | VCAP_2 — Core regulator decoupling capacitor |
| Pin produk 105 | VSS — Ground |
| Pin produk 106 | VDD — Digital supply voltage |
| Pin produk 107 | PA14 — GPIO port A bit 14 |
| Pin produk 108 | PA15 — GPIO port A bit 15 |
| Pin produk 109 | PC10 — GPIO port C bit 10 |
| Pin produk 110 | PC11 — GPIO port C bit 11 |
| Pin produk 111 | PC12 — GPIO port C bit 12 |
| Pin produk 112 | PD0 — GPIO port D bit 0 |
| Pin produk 113 | PD1 — GPIO port D bit 1 |
| Pin produk 114 | PD2 — GPIO port D bit 2 |
| Pin produk 115 | PD3 — GPIO port D bit 3 |
| Pin produk 116 | PD4 — GPIO port D bit 4 |
| Pin produk 117 | PD5 — GPIO port D bit 5 |
| Pin produk 118 | VSS — Ground |
| Pin produk 119 | VDD — Digital supply voltage |
| Pin produk 120 | PD6 — GPIO port D bit 6 |
| Pin produk 121 | PD7 — GPIO port D bit 7 |
| Pin produk 122 | PG9 — GPIO port G bit 9 |
| Pin produk 123 | PG10 — GPIO port G bit 10 |
| Pin produk 124 | PG11 — GPIO port G bit 11 |
| Pin produk 125 | PG12 — GPIO port G bit 12 |
| Pin produk 126 | PG13 — GPIO port G bit 13 |
| Pin produk 127 | PG14 — GPIO port G bit 14 |
| Pin produk 128 | VSS — Ground |
| Pin produk 129 | VDD — Digital supply voltage |
| Pin produk 130 | PG15 — GPIO port G bit 15 |
| Pin produk 131 | PB3 — GPIO port B bit 3 |
| Pin produk 132 | PB4 — GPIO port B bit 4 |
| Pin produk 133 | PB5 — GPIO port B bit 5 |
| Pin produk 134 | PB6 — GPIO port B bit 6 |
| Pin produk 135 | PB7 — GPIO port B bit 7 |
| Pin produk 136 | BOOT0 — Boot mode selection input |
| Pin produk 137 | PB8 — GPIO port B bit 8 |
| Pin produk 138 | PB9 — GPIO port B bit 9 |
| Pin produk 139 | PE0 — GPIO port E bit 0 |
| Pin produk 140 | PE1 — GPIO port E bit 1 |
| Pin produk 141 | VSS — Ground |
| Pin produk 142 | VDD — Digital supply voltage |
| Pin produk 143 | PF11 — GPIO port F bit 11 (alternate function) |
| Pin produk 144 | PF12 — GPIO port F bit 12 (alternate function) |
| Pin produk 145 | PF13 — GPIO port F bit 13 (alternate function) |
| Pin produk 146 | PF14 — GPIO port F bit 14 (alternate function) |
| Pin produk 147 | PF15 — GPIO port F bit 15 (alternate function) |
| Pin produk 148 | PG0 — GPIO port G bit 0 (alternate function) |
| Pin produk 149 | PG1 — GPIO port G bit 1 (alternate function) |
| Pin produk 150 | VSS — Ground |
| Pin produk 151 | VDD — Digital supply voltage |
| Pin produk 152 | PG2 — GPIO port G bit 2 (alternate function) |
| Pin produk 153 | PG3 — GPIO port G bit 3 (alternate function) |
| Pin produk 154 | PG4 — GPIO port G bit 4 (alternate function) |
| Pin produk 155 | PG5 — GPIO port G bit 5 (alternate function) |
| Pin produk 156 | PG6 — GPIO port G bit 6 (alternate function) |
| Pin produk 157 | PG7 — GPIO port G bit 7 (alternate function) |
| Pin produk 158 | PG8 — GPIO port G bit 8 (alternate function) |
| Pin produk 159 | VSS — Ground |
| Pin produk 160 | VDD — Digital supply voltage |
| Pin produk 161 | PC6 — GPIO port C bit 6 (alternate function) |
| Pin produk 162 | PC7 — GPIO port C bit 7 (alternate function) |
| Pin produk 163 | PC8 — GPIO port C bit 8 (alternate function) |
| Pin produk 164 | PC9 — GPIO port C bit 9 (alternate function) |
| Pin produk 165 | PA8 — GPIO port A bit 8 (alternate function) |
| Pin produk 166 | PA9 — GPIO port A bit 9 (alternate function) |
| Pin produk 167 | PA10 — GPIO port A bit 10 (alternate function) |
| Pin produk 168 | PA11 — GPIO port A bit 11 (alternate function) |
| Pin produk 169 | PA12 — GPIO port A bit 12 (alternate function) |
| Pin produk 170 | PA13 — GPIO port A bit 13 (alternate function) |
| Pin produk 171 | VSS — Ground |
| Pin produk 172 | VDD — Digital supply voltage |
| Pin produk 173 | PA14 — GPIO port A bit 14 (alternate function) |
| Pin produk 174 | PA15 — GPIO port A bit 15 (alternate function) |
| Pin produk 175 | PC10 — GPIO port C bit 10 (alternate function) |
| Pin produk 176 | PC11 — GPIO port C bit 11 (alternate function) |
Aplikasi Umum
STM32F437IIT6 cocok untuk 6 aplikasis: 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.
Direkomendasikan
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.
Direkomendasikan
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.
Direkomendasikan
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.
Direkomendasikan
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.
Direkomendasikan
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.
Direkomendasikan
Ringkasan Produk Direkomendasikan
Data referensi engineering untuk STM32F437IIT6 — pembandingan, panduan desain, dan informasi konformitas.
Panduan Pemilihan
Pembandingan dengan Alternatif
| Parameter Umum | Produk Ini | 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 |
Diferensiator Kunci
- Integrated Chrom-ART graphics accelerator and JPEG codec (vsSTM32F427IIT6)
- True random number generator for security functions (vsSTM32F427IIT6)
- Lower cost than the crypto-equipped STM32F439IIT6 (vsSTM32F439IIT6)
Catatan Desain
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+.
Informasi Konformitas
RoHS and REACH compliance per STMicroelectronics product page. Not AEC-Q100 qualified; automotive designs should select an STM32F4 automotive-grade variant.
