STM32F439IGT6 - 180MHz ARM MCU 1MB Flash LQFP-176 | STMicroelectronics
Артикул: STM32F439IGT6 ✓ Активен| Кол-во | Цена за ед. | Итого |
|---|---|---|
| 1 | $12.75 | $12,75 |
| 10 | $11.84 | $118,40 |
| 100 | $10.45 | $1.045,00 |
| 500 | $9.2 | $4.600,00 |
| 1.000 | $8.4 | $8.400,00 |
STM32F439IGT6 Обзор
An ARM Cortex-M4 microcontroller is a 32-bit RISC processor core designed by ARM for embedded applications, featuring built-in single-precision floating-point unit (FPU), DSP extensions, and optional memory protection unit (MPU). The Cortex-M4 belongs to the Cortex-M family (M0/M0+/M3/M4/M7) and traces its lineage to the ARMv7-M architecture, sitting in the hierarchy MCU -> 32-bit MCU -> Cortex-M -> Cortex-M4. It targets deterministic real-time control with low interrupt latency and is the workhorse of STMicroelectronics' STM32F4 series of mainstream microcontrollers.
Key features of the STM32F439IGT6 include 1 MB Flash, 256 KB SRAM, 4 KB backup SRAM, up to 17 timers, three 12-bit ADCs with 2.4 MSPS, two 12-bit DACs, an SDIO interface, FSMC/SRAM/NOR/NAND memory controller, and an integrated crypto/hash (SHA-256, AES-256) accelerator. The TFT LCD controller supports up to XGA resolution, and the Chrom-ART engine accelerates 2D graphics operations in hardware, offloading CPU cycles. The device operates from 1.8-3.6 V with an internal LDO and supports four low-power modes (Sleep, Stop, Standby, VBAT) for battery-powered designs.
Architecturally, the STM32F439IGT6 uses a Harvard-bus Cortex-M4 with single-cycle MAC, hardware divide, and tightly-coupled memory for deterministic interrupt response. The 7-layer AHB/APB bus matrix with multiple DMA controllers (two DMA1+DMA2 general-purpose plus dedicated MDMA) enables concurrent peripheral-to-memory transfers without CPU intervention. Crypto operations are offloaded to a dedicated engine supporting AES-256, TDES, SHA-1/MD5/SHA-256, and a true random number generator (TRNG) suitable for TLS/IPsec key material.
Typical applications for the STM32F439IGT6 include industrial HMI panels with TFT displays, motor control drives, medical instrumentation requiring high-speed ADC acquisition, barcode scanners with camera input, smart-home gateways with Ethernet/USB-OTG, and point-of-sale (POS) terminals. The integrated TFT controller plus crypto accelerator make it a one-chip solution for graphical network units.
When designing with this part, plan the 176-pin LQFP layout on a 4-layer or higher PCB with short, impedance-controlled traces for the external memory bus. The 24x24 mm body requires clearance for the 0.5 mm pitch pads; reflow profile must follow JEDEC J-STD-020 MSL-3 handling. Ensure VBAT is correctly backed up for RTC retention and that VDDA/VREF+ are filtered to keep ADC performance at high levels.
This page consolidates distributor pricing, drop-in same-package cross-references, and practical layout/thermal guidance not always presented together in the manufacturer datasheet.
Аналоги без доработки для STM32F439IGT6 — 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 STM32F439IGT6 (тот же форм-фактор и посадочное место) — отличается по Package, SRAM, Timers, ADC, Communication Interfaces.
Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:
STM32F437IIT6
✅ Прямая замена✓ В наличии
$11.84 / шт.
Открыть даташит →STM32F429VGT6TR
✅ Прямая замена✓ В наличии
$10.85 / шт.
Открыть даташит →STM32F427VGT6
✅ Прямая замена✓ В наличии
$8.95 / шт.
Открыть даташит →STM32F429VET6
✅ Прямая замена✓ В наличии
$9.21 / шт.
Открыть даташит →STM32F427IIT6
✅ Прямая замена✓ В наличии
$11.2 / шт.
Открыть даташит →STM32F439IGT6 Максимальные параметры и электрические характеристики
| Core Architecture | ARM Cortex-M4 with FPU and DSP instructions |
| Максимальная тактовая частота | 180 MHz |
| DMIPS | 225 DMIPS / 1.25 DMIPS/MHz |
| Program Memory (Flash) | 1 MB (1M x 8) |
| SRAM | 256 KB |
| Backup SRAM | 4 KB |
| Operating Voltage (VDD) | 1.8 V to 3.6 V |
| Рабочая температура | -40 C to +85 C |
| Корпус | 176-LQFP (24 x 24 mm) |
| ADC | 3 x 12-bit, up to 2.4 MSPS |
| DAC | 2 x 12-bit |
| Timers | Up to 17 (general-purpose, advanced-control, basic, low-power, SysTick, watchdog) |
| Communication Interfaces | USB 2.0 OTG FS+HS, CAN 2.0B (bxCAN x2), USART/UART x6, SPI x3, I2C x3, Ethernet MAC 10/100, SDIO x2 |
| Graphics Peripherals | TFT LCD controller (up to XGA), Chrom-ART Accelerator, 8-14-bit camera I/F |
| External Memory Controller | FSMC for SRAM/PSDRAM/NOR/NAND/Compact Flash |
| Crypto / Hash Accelerator | AES-256, TDES, SHA-1/MD5/SHA-256, TRNG |
| Число выводов | 176 |
| Pitch | 0.5 mm |
| Тип монтажа | Surface Mount |
| Статус RoHS | Compliant |
Конфигурация выводов STM32F439IGT6
| Контакт 1 | PE02 — GPIO PE2, alt-function TRACECLK |
| Контакт 2 | PE03 — GPIO PE3, alt-function TRACED0 |
| Контакт 3 | PE04 — GPIO PE4, alt-function TRACED1 |
| Контакт 4 | PE05 — GPIO PE5, alt-function TRACED2 |
| Контакт 5 | PE06 — GPIO PE6, alt-function TRACED3 |
| Контакт 6 | VBAT — RTC backup supply |
| Контакт 7 | PC13 — GPIO PC13, RTC TAMPER |
| Контакт 8 | PC14 — GPIO PC14, OSC32_IN |
| Контакт 9 | PC15 — GPIO PC15, OSC32_OUT |
| Контакт 10 | VREF+ — ADC reference voltage |
| Контакт 11 | VDDA — Analog supply |
| Контакт 12 | PA00 — GPIO PA0, WKUP, ADC_IN0, TIM2_CH1 |
| Контакт 13 | PA01 — GPIO PA1, ADC_IN1, TIM2_CH2 |
| Контакт 14 | PA02 — GPIO PA2, ADC_IN2, TIM2_CH3 |
| Контакт 15 | PA03 — GPIO PA3, ADC_IN3, TIM2_CH4 |
| Контакт 16 | VSSA — Analog ground |
| Контакт 17 | VDD — Digital supply |
| Контакт 18 | PA04 — GPIO PA4, ADC_IN4, DAC_OUT1 |
| Контакт 19 | PA05 — GPIO PA5, ADC_IN5, DAC_OUT2 |
| Контакт 20 | PA06 — GPIO PA6, ADC_IN6, TIM3_CH1 |
| Контакт 21 | PA07 — GPIO PA7, ADC_IN7, TIM3_CH2 |
| Контакт 22 | PC04 — GPIO PC4, ADC_IN14 |
| Контакт 23 | PC05 — GPIO PC5, ADC_IN15 |
| Контакт 24 | PB00 — GPIO PB0, ADC_IN8, TIM3_CH3 |
| Контакт 25 | PB01 — GPIO PB1, ADC_IN9, TIM3_CH4 |
| Контакт 26 | PB02 — GPIO PB2, BOOT1 |
| Контакт 27 | PB10 — GPIO PB10, I2C2_SCL, USART3_TX |
| Контакт 28 | PB11 — GPIO PB11, I2C2_SDA, USART3_RX |
| Контакт 29 | VCAP_1 — Internal regulator capacitor |
| Контакт 30 | VSS — Digital ground |
| Контакт 31 | VDD — Digital supply |
| Контакт 32 | PB12 — GPIO PB12, SPI2_NSS, I2S2_WS |
| Контакт 33 | PB13 — GPIO PB13, SPI2_SCK, I2S2_CK |
| Контакт 34 | PB14 — GPIO PB14, SPI2_MISO, TIM12_CH1 |
| Контакт 35 | PB15 — GPIO PB15, SPI2_MOSI, I2S2_SD |
| Контакт 36 | PC06 — GPIO PC6, TIM3_CH1, USART6_TX |
| Контакт 37 | PC07 — GPIO PC7, TIM3_CH2, USART6_RX |
| Контакт 38 | PC08 — GPIO PC8, TIM3_CH3, SDIO_D0 |
| Контакт 39 | PC09 — GPIO PC9, TIM3_CH4, SDIO_D1 |
| Контакт 40 | PA08 — GPIO PA8, TIM1_CH1, USART1_CK, MCO1 |
| Контакт 41 | PA09 — GPIO PA9, USART1_TX, TIM1_CH2 |
| Контакт 42 | PA10 — GPIO PA10, USART1_RX, TIM1_CH3 |
| Контакт 43 | PA11 — GPIO PA11, USB_DM, CAN1_RX |
| Контакт 44 | PA12 — GPIO PA12, USB_DP, CAN1_TX |
| Контакт 45 | PA13 — GPIO PA13, JTMS-SWDIO |
| Контакт 46 | VCAP_2 — Internal regulator capacitor |
| Контакт 47 | VSS — Digital ground |
| Контакт 48 | VDD — Digital supply |
| Контакт 49 | PA14 — GPIO PA14, JTCK-SWCLK |
| Контакт 50 | PA15 — GPIO PA15, JTDI, SPI1_NSS, TIM2_CH1 |
| Контакт 51 | PC10 — GPIO PC10, UART4_TX, SDIO_D2 |
| Контакт 52 | PC11 — GPIO PC11, UART4_RX, SDIO_D3 |
| Контакт 53 | PC12 — GPIO PC12, UART5_TX, SDIO_CK |
| Контакт 54 | PD00 — GPIO PD0, FSMC_D2, CAN1_RX |
| Контакт 55 | PD01 — GPIO PD1, FSMC_D3, CAN1_TX |
| Контакт 56 | PD02 — GPIO PD2, TIM3_ETR, UART5_RX, SDIO_CMD |
| Контакт 57 | PD03 — GPIO PD3, FSMC_CLK |
| Контакт 58 | PD04 — GPIO PD4, FSMC_NOE |
| Контакт 59 | PD05 — GPIO PD5, FSMC_NWE |
| Контакт 60 | VSS — Digital ground |
| Контакт 61 | VDD — Digital supply |
| Контакт 62 | PD06 — GPIO PD6, FSMC_NWAIT |
| Контакт 63 | PD07 — GPIO PD7, FSMC_NE1, USART2_CK |
| Контакт 64 | PG09 — GPIO PG9, FSMC_NE2 |
| Контакт 65 | PG10 — GPIO PG10, FSMC_NE3 |
| Контакт 66 | PG11 — GPIO PG11, FSMC_NE4 |
| Контакт 67 | PG12 — GPIO PG12, FSMC_NE5 |
| Контакт 68 | PG13 — GPIO PG13, FSMC_A24 |
| Контакт 69 | PG14 — GPIO PG14, FSMC_A25 |
| Контакт 70 | VSS — Digital ground |
| Контакт 71 | VDD — Digital supply |
| Контакт 72 | PG15 — GPIO PG15 |
| Контакт 73 | PB03 — GPIO PB3, JTDO-SWO, SPI1_SCK, TIM2_CH2 |
| Контакт 74 | PB04 — GPIO PB4, NJTRST, SPI1_MISO, TIM3_CH1 |
| Контакт 75 | PB05 — GPIO PB5, I2C1_SMBAI, SPI1_MOSI, TIM3_CH2 |
| Контакт 76 | PB06 — GPIO PB6, I2C1_SCL, TIM4_CH1, USART1_TX |
| Контакт 77 | PB07 — GPIO PB7, I2C1_SDA, TIM4_CH2, USART1_RX |
| Контакт 78 | BOOT0 — Boot mode select |
| Контакт 79 | PB08 — GPIO PB8, TIM4_CH3, I2C1_SCL, CAN1_RX |
| Контакт 80 | PB09 — GPIO PB9, TIM4_CH4, I2C1_SDA, CAN1_TX |
| Контакт 81 | PE00 — GPIO PE0, TIM4_ETR |
| Контакт 82 | PE01 — GPIO PE1 |
| Контакт 83 | VSS — Digital ground |
| Контакт 84 | VDD — Digital supply |
| Контакт 85 | PI10 — GPIO PI10, FSMC_NIORD |
| Контакт 86 | PI11 — GPIO PI11, FSMC_NIOWR |
| Контакт 87 | VSS — Digital ground |
| Контакт 88 | VDD — Digital supply |
| Контакт 89 | PI12 — GPIO PI12, FSMC_D[20] |
| Контакт 90 | PI13 — GPIO PI13, FSMC_D[21] |
| Контакт 91 | PI14 — GPIO PI14, FSMC_D[22] |
| Контакт 92 | PI15 — GPIO PI15, FSMC_D[23] |
| Контакт 93 | VSS — Digital ground |
| Контакт 94 | VDD — Digital supply |
| Контакт 95 | PG00 — GPIO PG0, FSMC_A10 |
| Контакт 96 | PG01 — GPIO PG1, FSMC_A11 |
| Контакт 97 | PE07 — GPIO PE7, TIM1_ETR, FSMC_D4 |
| Контакт 98 | PE08 — GPIO PE8, TIM1_CH1N, FSMC_D5 |
| Контакт 99 | PE09 — GPIO PE9, TIM1_CH1, FSMC_D6 |
| Контакт 100 | VSS — Digital ground |
| Контакт 101 | VDD — Digital supply |
| Контакт 102 | PE10 — GPIO PE10, TIM1_CH2N, FSMC_D7 |
| Контакт 103 | PE11 — GPIO PE11, TIM1_CH2, FSMC_D8 |
| Контакт 104 | PE12 — GPIO PE12, TIM1_CH3N, FSMC_D9 |
| Контакт 105 | PE13 — GPIO PE13, TIM1_CH3, FSMC_D10 |
| Контакт 106 | PE14 — GPIO PE14, TIM1_CH4, FSMC_D11 |
| Контакт 107 | PE15 — GPIO PE15, TIM1_BKIN, FSMC_D12 |
| Контакт 108 | PB10 — GPIO PB10 |
| Контакт 109 | PB11 — GPIO PB11 |
| Контакт 110 | VCAP_1 — Internal regulator capacitor |
| Контакт 111 | VSS — Digital ground |
| Контакт 112 | VDD — Digital supply |
| Контакт 113 | PB12 — GPIO PB12 |
| Контакт 114 | PB13 — GPIO PB13 |
| Контакт 115 | PB14 — GPIO PB14 |
| Контакт 116 | PB15 — GPIO PB15 |
| Контакт 117 | PD08 — GPIO PD8, FSMC_D13, USART3_TX |
| Контакт 118 | PD09 — GPIO PD9, FSMC_D14, USART3_RX |
| Контакт 119 | PD10 — GPIO PD10, FSMC_D15 |
| Контакт 120 | PD11 — GPIO PD11, FSMC_A16, USART3_CTS |
| Контакт 121 | PD12 — GPIO PD12, FSMC_A17, TIM4_CH1 |
| Контакт 122 | VSS — Digital ground |
| Контакт 123 | VDD — Digital supply |
| Контакт 124 | PD13 — GPIO PD13, FSMC_A18, TIM4_CH2 |
| Контакт 125 | PD14 — GPIO PD14, FSMC_D0, TIM4_CH3 |
| Контакт 126 | PD15 — GPIO PD15, FSMC_D1, TIM4_CH4 |
| Контакт 127 | PG02 — GPIO PG2, FSMC_A12 |
| Контакт 128 | PG03 — GPIO PG3, FSMC_A13 |
| Контакт 129 | PG04 — GPIO PG4, FSMC_A14 |
| Контакт 130 | PG05 — GPIO PG5, FSMC_A15 |
| Контакт 131 | PG06 — GPIO PG6, FSMC_INT2 |
| Контакт 132 | PG07 — GPIO PG7, FSMC_INT3, USART6_CK |
| Контакт 133 | PG08 — GPIO PG8, FSMC_CLK, USART6_RTS |
| Контакт 134 | VSS — Digital ground |
| Контакт 135 | VDD — Digital supply |
| Контакт 136 | PC06 — GPIO PC6 |
| Контакт 137 | PC07 — GPIO PC7 |
| Контакт 138 | PC08 — GPIO PC8 |
| Контакт 139 | PC09 — GPIO PC9 |
| Контакт 140 | PA08 — GPIO PA8 |
| Контакт 141 | PA09 — GPIO PA9 |
| Контакт 142 | PA10 — GPIO PA10 |
| Контакт 143 | PA11 — GPIO PA11 |
| Контакт 144 | PA12 — GPIO PA12 |
| Контакт 145 | PA13 — GPIO PA13 |
| Контакт 146 | VCAP_2 — Internal regulator capacitor |
| Контакт 147 | VSS — Digital ground |
| Контакт 148 | VDD — Digital supply |
| Контакт 149 | PA14 — GPIO PA14 |
| Контакт 150 | PA15 — GPIO PA15 |
| Контакт 151 | PC10 — GPIO PC10 |
| Контакт 152 | PC11 — GPIO PC11 |
| Контакт 153 | PC12 — GPIO PC12 |
| Контакт 154 | PD00 — GPIO PD0 |
| Контакт 155 | PD01 — GPIO PD1 |
| Контакт 156 | PD02 — GPIO PD2 |
| Контакт 157 | PD03 — GPIO PD3 |
| Контакт 158 | PD04 — GPIO PD4 |
| Контакт 159 | PD05 — GPIO PD5 |
| Контакт 160 | VSS — Digital ground |
| Контакт 161 | VDD — Digital supply |
| Контакт 162 | PD06 — GPIO PD6 |
| Контакт 163 | PD07 — GPIO PD7 |
| Контакт 164 | PG09 — GPIO PG9 |
| Контакт 165 | PG10 — GPIO PG10 |
| Контакт 166 | PG11 — GPIO PG11 |
| Контакт 167 | PG12 — GPIO PG12 |
| Контакт 168 | PG13 — GPIO PG13 |
| Контакт 169 | PG14 — GPIO PG14 |
| Контакт 170 | VSS — Digital ground |
| Контакт 171 | VDD — Digital supply |
| Контакт 172 | PG15 — GPIO PG15 |
| Контакт 173 | PB03 — GPIO PB3 |
| Контакт 174 | PB04 — GPIO PB4 |
| Контакт 175 | PB05 — GPIO PB5 |
| Контакт 176 | PB07 — GPIO PB7 |
Типичное применение
STM32F439IGT6 подходит для 7 применениеs: Industrial HMI with TFT Display, Secure Connected Gateway with Ethernet/USB-OTG, Motor Control and Field-Oriented Control (FOC) Drives, Medical Instrumentation and Diagnostic Devices, Barcode Scanner with Camera Interface, Point-of-Sale (POS) Terminal, Smart-Home Controller and Hub.
Industrial HMI with TFT Display
The STM32F439IGT6 drives industrial HMI panels via its integrated TFT LCD controller (up to XGA) and Chrom-ART 2D graphics accelerator, offloading pixel-format conversion and rectangle fills from the CPU. The 1 MB Flash holds LVGL/Embedded Wizard assets while 256 KB SRAM keeps frame buffers resident; external SDRAM is added via FSMC for larger panels. The Cortex-M4F at 180 MHz sustains 60 fps LVGL refresh with headroom, hardware support for ARGB8888 and RGB565 LCDs, and GPIO/FSMC pin count matches typical 480x272/1024x768 HMI hardware. Pair with XPT2046 touch controller over SPI.
Рекомендуется
Secure Connected Gateway with Ethernet/USB-OTG
The STM32F439IGT6 integrates a 10/100 Ethernet MAC with RMII/MII PHY interface and USB 2.0 OTG Full-Speed plus High-Speed (with external ULPI PHY), enabling a single-chip secure IoT gateway. The hardware crypto/hash accelerator (AES-256, SHA-256, TRNG) accelerates TLS/IPsec handshakes and key generation; backup SRAM retains security keys across power cycles. 1 MB Flash is sufficient for an LwIP+TLS stack; 256 KB SRAM supports TCP/IP socket buffers; multiple USART/SPI/I2C connect sensors. The 176-LQFP body provides sufficient GPIO for PHY reset, USB VBUS detect, and indicator LEDs.
Рекомендуется
Motor Control and Field-Oriented Control (FOC) Drives
The STM32F439IGT6's 180 MHz Cortex-M4F executes complex FOC algorithms in real time with single-cycle MAC, the 17 timers deliver 6-step PWM plus ADC synchronization for 3-phase motor control, and 12-bit ADC sampling at 2.4 MSPS captures phase currents with sub-microsecond latency. The hardware divide instruction accelerates Park/Clarke transformations. 1 MB Flash holds full state-machine code plus SFOC tables; 256 KB SRAM supports sliding-window observers. The LQFP-176 footprint exposes ample GPIO for encoder inputs and resolver excitation. Typical applications: BLDC pumps, servo drives, robotic joints.
Рекомендуется
Medical Instrumentation and Diagnostic Devices
The STM32F439IGT6's three independent 12-bit ADCs at 2.4 MSPS capture multiple bio-signal channels simultaneously (ECG, SpO2, temperature) with synchronized sampling and DMA. The TFT LCD controller drives bedside-monitor displays, Chrom-ART accelerates real-time waveform rendering, and the USB-OTG HS supports high-speed data upload to host software. The Cortex-M4F runs DSP-style filtering (FFT, RMS, RMS smoothing) in firmware; hardware crypto can secure patient data records. The 176-LQFP package is suitable for the 4-layer PCBs typical of IEC 60601-compliant medical devices.
Рекомендуется
Barcode Scanner with Camera Interface
The STM32F439IGT6 integrates an 8-14-bit parallel camera interface that directly accepts image sensor data, an FSMC that maps external SRAM as frame buffer, and Chrom-ART that accelerates pre-processing such as RGB->grayscale conversion. The Cortex-M4F at 180 MHz decodes 1D/2D barcodes in firmware using the captured frame; the 1 MB Flash holds the decoder libraries and the 256 KB SRAM supports multiple decoded payloads. A USB-OTG HS port connects to a host PC for instant plug-in barcode scanner use. The TFT controller is repurposed for the menu/result UI.
Рекомендуется
Point-of-Sale (POS) Terminal
The STM32F439IGT6's hardware crypto accelerator and TRNG enable PCI-style secure transactions without external secure MCU; the Ethernet MAC plus USB-OTG HS support both IP-based and USB-connected POS architectures. The TFT LCD controller drives the customer display while 1 MB Flash holds the firmware, payment libraries, and UI assets; the SDIO interface connects to a microSD slot for transaction logs. The 176-LQFP package exposes GPIO for keypad scanning, printer control, and contactless card readers. The Cortex-M4F handles UI rendering and security handshakes concurrently.
Рекомендуется
Smart-Home Controller and Hub
The STM32F439IGT6's Ethernet MAC plus USB-OTG plus dual CAN interfaces make it a versatile smart-home hub connecting wired fieldbus devices (CAN, RS-485) with IP backhaul. The TFT LCD controller drives a wall-mounted touchscreen; Chrom-ART accelerates smooth UI transitions; the crypto engine secures MQTT-TLS connections to cloud services. The 1 MB Flash is sufficient for the gateway firmware and UI assets, while 256 KB SRAM holds MQTT and TLS socket buffers. Backup SRAM retains device pairing tables across power cycles.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для STM32F439IGT6 — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | STM32F437IIT6 | STM32F429VGT6 | STM32F427VGT6 | STM32F429VET6 | STM32F427IIT6 |
|---|---|---|---|---|---|---|
| Package | LQFP-176 (24x24 mm) | LQFP-176 (24x24 mm) - same | LQFP-176 (24x24 mm) - same | LQFP-176 (24x24 mm) - same | LQFP-176 (24x24 mm) - same | LQFP-176 (24x24 mm) - same |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Core | ARM Cortex-M4F 180 MHz | ARM Cortex-M4F 180 MHz | ARM Cortex-M4F 180 MHz | ARM Cortex-M4F 180 MHz | ARM Cortex-M4F 180 MHz | ARM Cortex-M4F 180 MHz |
| Flash | 1 MB | 2 MB | 1 MB | 1 MB | 2 MB | 2 MB |
| SRAM | 256 KB | 256 KB | 256 KB | 256 KB | 256 KB | 256 KB |
| TFT LCD Controller | Yes (XGA) | Yes (XGA) | Yes (XGA) | No | Yes (XGA) | No |
| Crypto/Hash Engine | AES-256, SHA-256, TRNG | AES-256, SHA-256, TRNG | No | No | No | No |
| Ethernet MAC | Yes (10/100) | Yes (10/100) | Yes (10/100) | Yes (10/100) | Yes (10/100) | Yes (10/100) |
| USB OTG | FS + HS (with PHY) | FS + HS (with PHY) | FS + HS (with PHY) | FS + HS (with PHY) | FS + HS (with PHY) | FS + HS (with PHY) |
| Approx. Unit Price (1 pc) | 12.75 USD | Higher (2 MB Flash) | Lower (no crypto engine) | Lower (no crypto, no LCD) | Higher (2 MB Flash, no crypto) | Higher (2 MB Flash, no crypto, no LCD) |
Ключевые отличия
- Integrated hardware crypto/hash engine (против STM32F429VGT6)
- Highest-density F4 in mainstream line (против STM32F429VGT6)
- 1 MB Flash at lower cost vs 2 MB F427/F437 (против STM32F437IIT6)
Заметки по проектированию
The STM32F439IGT6 has separate VDD/VDDA/VBAT/VCAP rails. Place 100 nF decoupling capacitors within 2-3 mm of each VDD pin, and bulk 4.7 uF capacitors on each major rail. Connect VCAP_1 and VCAP_2 to 2.2 uF X5R capacitors; missing these caps causes the internal LDO to oscillate and the core to brown out at high frequency. VDDA must be tied to a low-noise 3.3 V analog supply or filtered through a ferrite bead to keep ADC ENOB at high levels.
Use a 4-layer PCB with a continuous ground plane under the LQFP-176 footprint. Keep the 0.5 mm pitch traces on inner layers where possible, and fan out from the outer pads to inner signal layers within 3 mm. Match impedance to 50 ohms for the Ethernet RMII bus and USB DP/DM differential pair. Provide a guard ring around the HSE crystal traces and keep clock traces short and symmetric. Reference RM0090 application-note recommendations for decoupling placement.
Do not float the BOOT0 pin; tie it through a 10 kohm resistor to either VDD (boot from main flash) or GND (boot from system memory for bootloader). Setting it incorrectly at reset prevents the application from launching. Similarly, the NRST pin must have a 100 nF capacitor and 10 kohm pull-up; missing the NRST cap results in brown-out resets. Avoid using PF0/PF1 as GPIO on LQFP-176 if you need the OSC_OUT/OSC_IN crystal; on this part those pins may not be bonded out, so check the alternate-function table.
Estimated: at maximum core frequency of 180 MHz, the STM32F439IGT6 dissipates approximately 1.5-2 W under heavy peripheral load (Ethernet + USB + TFT). With theta_JA of approximately 30 C/W for LQFP-176 on a 4-layer JEDEC test board, junction temperature rises 45-60 C above ambient. Forced airflow is recommended if the device is run continuously near maximum frequency with all peripherals active; derating is essential for industrial temperature grades (-40 to +85 C).
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RoHS compliant per ST product page. Industrial temperature grade -40 C to +85 C. Not AEC-Q100 qualified - choose STM32F439IGT6 (AES-grade equivalent) only for non-automotive applications.