STM32F439IGT6 - 180MHz ARM MCU 1MB Flash LQFP-176 | STMicroelectronics
MPN: STM32F439IGT6 ✓ فعالSTM32F439IGT6 نمای کلی
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.
جایگزین‌های drop-in برای STM32F439IGT6 — همان پکیج، سازگار پین‌به‌پین. قطعات با پکیج متفاوت که نیاز به تغییر PCB دارند مستثنی هستند.
گونه‌ها در این سری
مدل‌های هم‌سری که جایگزین مستقیم هستند برای STM32F439IGT6 (همان فرم‌فاکتور و فوت‌پرینت) — متفاوت در Package, Timers, SRAM, Communication Interfaces, ADC.
STM32F437IIT6
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←STM32F429VGT6TR
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←STM32F427VGT6
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←STM32F429VET6
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←STM32F427IIT6
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←STM32F439IGT6 حداکثر مقادیر مجاز و مشخصات الکتریکی
| Core Architecture | ARM Cortex-M4 with FPU and DSP instructions |
| حداکثر فرکانس کلاک | 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 |
| دمای کاری | -40 C to +85 C |
| بسته‌بندی | 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 |
| تعداد پایه | 176 |
| Pitch | 0.5 mm |
| نوع نصب | Surface Mount |
| وضعیت RoHS | Compliant |
پیکربندی پین STM32F439IGT6
| پین 1 | PE02 — GPIO PE2, alt-function TRACECLK |
| پین 2 | PE03 — GPIO PE3, alt-function TRACED0 |
| پین 3 | PE04 — GPIO PE4, alt-function TRACED1 |
| پین 4 | PE05 — GPIO PE5, alt-function TRACED2 |
| پین 5 | PE06 — GPIO PE6, alt-function TRACED3 |
| پین 6 | VBAT — RTC backup supply |
| پین 7 | PC13 — GPIO PC13, RTC TAMPER |
| پین 8 | PC14 — GPIO PC14, OSC32_IN |
| پین 9 | PC15 — GPIO PC15, OSC32_OUT |
| پین 10 | VREF+ — ADC reference voltage |
| پین 11 | VDDA — Analog supply |
| پین 12 | PA00 — GPIO PA0, WKUP, ADC_IN0, TIM2_CH1 |
| پین 13 | PA01 — GPIO PA1, ADC_IN1, TIM2_CH2 |
| پین 14 | PA02 — GPIO PA2, ADC_IN2, TIM2_CH3 |
| پین 15 | PA03 — GPIO PA3, ADC_IN3, TIM2_CH4 |
| پین 16 | VSSA — Analog ground |
| پین 17 | VDD — Digital supply |
| پین 18 | PA04 — GPIO PA4, ADC_IN4, DAC_OUT1 |
| پین 19 | PA05 — GPIO PA5, ADC_IN5, DAC_OUT2 |
| پین 20 | PA06 — GPIO PA6, ADC_IN6, TIM3_CH1 |
| پین 21 | PA07 — GPIO PA7, ADC_IN7, TIM3_CH2 |
| پین 22 | PC04 — GPIO PC4, ADC_IN14 |
| پین 23 | PC05 — GPIO PC5, ADC_IN15 |
| پین 24 | PB00 — GPIO PB0, ADC_IN8, TIM3_CH3 |
| پین 25 | PB01 — GPIO PB1, ADC_IN9, TIM3_CH4 |
| پین 26 | PB02 — GPIO PB2, BOOT1 |
| پین 27 | PB10 — GPIO PB10, I2C2_SCL, USART3_TX |
| پین 28 | PB11 — GPIO PB11, I2C2_SDA, USART3_RX |
| پین 29 | VCAP_1 — Internal regulator capacitor |
| پین 30 | VSS — Digital ground |
| پین 31 | VDD — Digital supply |
| پین 32 | PB12 — GPIO PB12, SPI2_NSS, I2S2_WS |
| پین 33 | PB13 — GPIO PB13, SPI2_SCK, I2S2_CK |
| پین 34 | PB14 — GPIO PB14, SPI2_MISO, TIM12_CH1 |
| پین 35 | PB15 — GPIO PB15, SPI2_MOSI, I2S2_SD |
| پین 36 | PC06 — GPIO PC6, TIM3_CH1, USART6_TX |
| پین 37 | PC07 — GPIO PC7, TIM3_CH2, USART6_RX |
| پین 38 | PC08 — GPIO PC8, TIM3_CH3, SDIO_D0 |
| پین 39 | PC09 — GPIO PC9, TIM3_CH4, SDIO_D1 |
| پین 40 | PA08 — GPIO PA8, TIM1_CH1, USART1_CK, MCO1 |
| پین 41 | PA09 — GPIO PA9, USART1_TX, TIM1_CH2 |
| پین 42 | PA10 — GPIO PA10, USART1_RX, TIM1_CH3 |
| پین 43 | PA11 — GPIO PA11, USB_DM, CAN1_RX |
| پین 44 | PA12 — GPIO PA12, USB_DP, CAN1_TX |
| پین 45 | PA13 — GPIO PA13, JTMS-SWDIO |
| پین 46 | VCAP_2 — Internal regulator capacitor |
| پین 47 | VSS — Digital ground |
| پین 48 | VDD — Digital supply |
| پین 49 | PA14 — GPIO PA14, JTCK-SWCLK |
| پین 50 | PA15 — GPIO PA15, JTDI, SPI1_NSS, TIM2_CH1 |
| پین 51 | PC10 — GPIO PC10, UART4_TX, SDIO_D2 |
| پین 52 | PC11 — GPIO PC11, UART4_RX, SDIO_D3 |
| پین 53 | PC12 — GPIO PC12, UART5_TX, SDIO_CK |
| پین 54 | PD00 — GPIO PD0, FSMC_D2, CAN1_RX |
| پین 55 | PD01 — GPIO PD1, FSMC_D3, CAN1_TX |
| پین 56 | PD02 — GPIO PD2, TIM3_ETR, UART5_RX, SDIO_CMD |
| پین 57 | PD03 — GPIO PD3, FSMC_CLK |
| پین 58 | PD04 — GPIO PD4, FSMC_NOE |
| پین 59 | PD05 — GPIO PD5, FSMC_NWE |
| پین 60 | VSS — Digital ground |
| پین 61 | VDD — Digital supply |
| پین 62 | PD06 — GPIO PD6, FSMC_NWAIT |
| پین 63 | PD07 — GPIO PD7, FSMC_NE1, USART2_CK |
| پین 64 | PG09 — GPIO PG9, FSMC_NE2 |
| پین 65 | PG10 — GPIO PG10, FSMC_NE3 |
| پین 66 | PG11 — GPIO PG11, FSMC_NE4 |
| پین 67 | PG12 — GPIO PG12, FSMC_NE5 |
| پین 68 | PG13 — GPIO PG13, FSMC_A24 |
| پین 69 | PG14 — GPIO PG14, FSMC_A25 |
| پین 70 | VSS — Digital ground |
| پین 71 | VDD — Digital supply |
| پین 72 | PG15 — GPIO PG15 |
| پین 73 | PB03 — GPIO PB3, JTDO-SWO, SPI1_SCK, TIM2_CH2 |
| پین 74 | PB04 — GPIO PB4, NJTRST, SPI1_MISO, TIM3_CH1 |
| پین 75 | PB05 — GPIO PB5, I2C1_SMBAI, SPI1_MOSI, TIM3_CH2 |
| پین 76 | PB06 — GPIO PB6, I2C1_SCL, TIM4_CH1, USART1_TX |
| پین 77 | PB07 — GPIO PB7, I2C1_SDA, TIM4_CH2, USART1_RX |
| پین 78 | BOOT0 — Boot mode select |
| پین 79 | PB08 — GPIO PB8, TIM4_CH3, I2C1_SCL, CAN1_RX |
| پین 80 | PB09 — GPIO PB9, TIM4_CH4, I2C1_SDA, CAN1_TX |
| پین 81 | PE00 — GPIO PE0, TIM4_ETR |
| پین 82 | PE01 — GPIO PE1 |
| پین 83 | VSS — Digital ground |
| پین 84 | VDD — Digital supply |
| پین 85 | PI10 — GPIO PI10, FSMC_NIORD |
| پین 86 | PI11 — GPIO PI11, FSMC_NIOWR |
| پین 87 | VSS — Digital ground |
| پین 88 | VDD — Digital supply |
| پین 89 | PI12 — GPIO PI12, FSMC_D[20] |
| پین 90 | PI13 — GPIO PI13, FSMC_D[21] |
| پین 91 | PI14 — GPIO PI14, FSMC_D[22] |
| پین 92 | PI15 — GPIO PI15, FSMC_D[23] |
| پین 93 | VSS — Digital ground |
| پین 94 | VDD — Digital supply |
| پین 95 | PG00 — GPIO PG0, FSMC_A10 |
| پین 96 | PG01 — GPIO PG1, FSMC_A11 |
| پین 97 | PE07 — GPIO PE7, TIM1_ETR, FSMC_D4 |
| پین 98 | PE08 — GPIO PE8, TIM1_CH1N, FSMC_D5 |
| پین 99 | PE09 — GPIO PE9, TIM1_CH1, FSMC_D6 |
| پین 100 | VSS — Digital ground |
| پین 101 | VDD — Digital supply |
| پین 102 | PE10 — GPIO PE10, TIM1_CH2N, FSMC_D7 |
| پین 103 | PE11 — GPIO PE11, TIM1_CH2, FSMC_D8 |
| پین 104 | PE12 — GPIO PE12, TIM1_CH3N, FSMC_D9 |
| پین 105 | PE13 — GPIO PE13, TIM1_CH3, FSMC_D10 |
| پین 106 | PE14 — GPIO PE14, TIM1_CH4, FSMC_D11 |
| پین 107 | PE15 — GPIO PE15, TIM1_BKIN, FSMC_D12 |
| پین 108 | PB10 — GPIO PB10 |
| پین 109 | PB11 — GPIO PB11 |
| پین 110 | VCAP_1 — Internal regulator capacitor |
| پین 111 | VSS — Digital ground |
| پین 112 | VDD — Digital supply |
| پین 113 | PB12 — GPIO PB12 |
| پین 114 | PB13 — GPIO PB13 |
| پین 115 | PB14 — GPIO PB14 |
| پین 116 | PB15 — GPIO PB15 |
| پین 117 | PD08 — GPIO PD8, FSMC_D13, USART3_TX |
| پین 118 | PD09 — GPIO PD9, FSMC_D14, USART3_RX |
| پین 119 | PD10 — GPIO PD10, FSMC_D15 |
| پین 120 | PD11 — GPIO PD11, FSMC_A16, USART3_CTS |
| پین 121 | PD12 — GPIO PD12, FSMC_A17, TIM4_CH1 |
| پین 122 | VSS — Digital ground |
| پین 123 | VDD — Digital supply |
| پین 124 | PD13 — GPIO PD13, FSMC_A18, TIM4_CH2 |
| پین 125 | PD14 — GPIO PD14, FSMC_D0, TIM4_CH3 |
| پین 126 | PD15 — GPIO PD15, FSMC_D1, TIM4_CH4 |
| پین 127 | PG02 — GPIO PG2, FSMC_A12 |
| پین 128 | PG03 — GPIO PG3, FSMC_A13 |
| پین 129 | PG04 — GPIO PG4, FSMC_A14 |
| پین 130 | PG05 — GPIO PG5, FSMC_A15 |
| پین 131 | PG06 — GPIO PG6, FSMC_INT2 |
| پین 132 | PG07 — GPIO PG7, FSMC_INT3, USART6_CK |
| پین 133 | PG08 — GPIO PG8, FSMC_CLK, USART6_RTS |
| پین 134 | VSS — Digital ground |
| پین 135 | VDD — Digital supply |
| پین 136 | PC06 — GPIO PC6 |
| پین 137 | PC07 — GPIO PC7 |
| پین 138 | PC08 — GPIO PC8 |
| پین 139 | PC09 — GPIO PC9 |
| پین 140 | PA08 — GPIO PA8 |
| پین 141 | PA09 — GPIO PA9 |
| پین 142 | PA10 — GPIO PA10 |
| پین 143 | PA11 — GPIO PA11 |
| پین 144 | PA12 — GPIO PA12 |
| پین 145 | PA13 — GPIO PA13 |
| پین 146 | VCAP_2 — Internal regulator capacitor |
| پین 147 | VSS — Digital ground |
| پین 148 | VDD — Digital supply |
| پین 149 | PA14 — GPIO PA14 |
| پین 150 | PA15 — GPIO PA15 |
| پین 151 | PC10 — GPIO PC10 |
| پین 152 | PC11 — GPIO PC11 |
| پین 153 | PC12 — GPIO PC12 |
| پین 154 | PD00 — GPIO PD0 |
| پین 155 | PD01 — GPIO PD1 |
| پین 156 | PD02 — GPIO PD2 |
| پین 157 | PD03 — GPIO PD3 |
| پین 158 | PD04 — GPIO PD4 |
| پین 159 | PD05 — GPIO PD5 |
| پین 160 | VSS — Digital ground |
| پین 161 | VDD — Digital supply |
| پین 162 | PD06 — GPIO PD6 |
| پین 163 | PD07 — GPIO PD7 |
| پین 164 | PG09 — GPIO PG9 |
| پین 165 | PG10 — GPIO PG10 |
| پین 166 | PG11 — GPIO PG11 |
| پین 167 | PG12 — GPIO PG12 |
| پین 168 | PG13 — GPIO PG13 |
| پین 169 | PG14 — GPIO PG14 |
| پین 170 | VSS — Digital ground |
| پین 171 | VDD — Digital supply |
| پین 172 | PG15 — GPIO PG15 |
| پین 173 | PB03 — GPIO PB3 |
| پین 174 | PB04 — GPIO PB4 |
| پین 175 | PB05 — GPIO PB5 |
| پین 176 | PB07 — GPIO PB7 |
کاربردهای معمول
STM32F439IGT6 مناسب است برای 7 کاربردs: 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.
پیشنهادی
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.
پیشنهادی
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.
پیشنهادی
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.
پیشنهادی
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.
پیشنهادی
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.
پیشنهادی
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.
پیشنهادی
خلاصه محصولات پیشنهادی
داده‌های مرجع مهندسی برای STM32F439IGT6 — مقایسه، راهنمای طراحی و اطلاعات انطباق.
راهنمای انتخاب
مقایسه با جایگزین‌ها
| پارامتر | این محصول | 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) |
تفاوت‌های کلیدی
- Integrated hardware crypto/hash engine (در مقابلSTM32F429VGT6)
- Highest-density F4 in mainstream line (در مقابلSTM32F429VGT6)
- 1 MB Flash at lower cost vs 2 MB F427/F437 (در مقابلSTM32F437IIT6)
یادداشت‌های طراحی
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).
اطلاعات انطباق
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.