STM32F439IGT6 - 180MHz ARM MCU 1MB Flash LQFP-176 | STMicroelectronics
N.º da peça: STM32F439IGT6 ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 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 Visão geral
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.
Alternativas drop-in para STM32F439IGT6 — 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 STM32F439IGT6 (mesmo formato e footprint) — diferindo em Package, Timers, SRAM, Communication Interfaces, ADC.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
STM32F437IIT6
✅ Drop-In✓ Em estoque
$11.84 / unidade
Ver ficha técnica →STM32F429VGT6TR
✅ Drop-In✓ Em estoque
$10.85 / unidade
Ver ficha técnica →STM32F427VGT6
✅ Drop-In✓ Em estoque
$8.95 / unidade
Ver ficha técnica →STM32F429VET6
✅ Drop-In✓ Em estoque
$9.21 / unidade
Ver ficha técnica →STM32F427IIT6
✅ Drop-In✓ Em estoque
$11.2 / unidade
Ver ficha técnica →STM32F439IGT6 Classificações máximas e características elétricas
| Core Architecture | ARM Cortex-M4 with FPU and DSP instructions |
| Frequência máxima de clock | 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 |
| Temperatura de operação | -40 C to +85 C |
| Encapsulamento | 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 |
| Contagem de pinos | 176 |
| Pitch | 0.5 mm |
| Tipo de montagem | Surface Mount |
| Status RoHS | Compliant |
Configuração de pinos do STM32F439IGT6
| Pino 1 | PE02 — GPIO PE2, alt-function TRACECLK |
| Pino 2 | PE03 — GPIO PE3, alt-function TRACED0 |
| Pino 3 | PE04 — GPIO PE4, alt-function TRACED1 |
| Pino 4 | PE05 — GPIO PE5, alt-function TRACED2 |
| Pino 5 | PE06 — GPIO PE6, alt-function TRACED3 |
| Pino 6 | VBAT — RTC backup supply |
| Pino 7 | PC13 — GPIO PC13, RTC TAMPER |
| Pino 8 | PC14 — GPIO PC14, OSC32_IN |
| Pino 9 | PC15 — GPIO PC15, OSC32_OUT |
| Pino 10 | VREF+ — ADC reference voltage |
| Pino 11 | VDDA — Analog supply |
| Pino 12 | PA00 — GPIO PA0, WKUP, ADC_IN0, TIM2_CH1 |
| Pino 13 | PA01 — GPIO PA1, ADC_IN1, TIM2_CH2 |
| Pino 14 | PA02 — GPIO PA2, ADC_IN2, TIM2_CH3 |
| Pino 15 | PA03 — GPIO PA3, ADC_IN3, TIM2_CH4 |
| Pino 16 | VSSA — Analog ground |
| Pino 17 | VDD — Digital supply |
| Pino 18 | PA04 — GPIO PA4, ADC_IN4, DAC_OUT1 |
| Pino 19 | PA05 — GPIO PA5, ADC_IN5, DAC_OUT2 |
| Pino 20 | PA06 — GPIO PA6, ADC_IN6, TIM3_CH1 |
| Pino 21 | PA07 — GPIO PA7, ADC_IN7, TIM3_CH2 |
| Pino 22 | PC04 — GPIO PC4, ADC_IN14 |
| Pino 23 | PC05 — GPIO PC5, ADC_IN15 |
| Pino 24 | PB00 — GPIO PB0, ADC_IN8, TIM3_CH3 |
| Pino 25 | PB01 — GPIO PB1, ADC_IN9, TIM3_CH4 |
| Pino 26 | PB02 — GPIO PB2, BOOT1 |
| Pino 27 | PB10 — GPIO PB10, I2C2_SCL, USART3_TX |
| Pino 28 | PB11 — GPIO PB11, I2C2_SDA, USART3_RX |
| Pino 29 | VCAP_1 — Internal regulator capacitor |
| Pino 30 | VSS — Digital ground |
| Pino 31 | VDD — Digital supply |
| Pino 32 | PB12 — GPIO PB12, SPI2_NSS, I2S2_WS |
| Pino 33 | PB13 — GPIO PB13, SPI2_SCK, I2S2_CK |
| Pino 34 | PB14 — GPIO PB14, SPI2_MISO, TIM12_CH1 |
| Pino 35 | PB15 — GPIO PB15, SPI2_MOSI, I2S2_SD |
| Pino 36 | PC06 — GPIO PC6, TIM3_CH1, USART6_TX |
| Pino 37 | PC07 — GPIO PC7, TIM3_CH2, USART6_RX |
| Pino 38 | PC08 — GPIO PC8, TIM3_CH3, SDIO_D0 |
| Pino 39 | PC09 — GPIO PC9, TIM3_CH4, SDIO_D1 |
| Pino 40 | PA08 — GPIO PA8, TIM1_CH1, USART1_CK, MCO1 |
| Pino 41 | PA09 — GPIO PA9, USART1_TX, TIM1_CH2 |
| Pino 42 | PA10 — GPIO PA10, USART1_RX, TIM1_CH3 |
| Pino 43 | PA11 — GPIO PA11, USB_DM, CAN1_RX |
| Pino 44 | PA12 — GPIO PA12, USB_DP, CAN1_TX |
| Pino 45 | PA13 — GPIO PA13, JTMS-SWDIO |
| Pino 46 | VCAP_2 — Internal regulator capacitor |
| Pino 47 | VSS — Digital ground |
| Pino 48 | VDD — Digital supply |
| Pino 49 | PA14 — GPIO PA14, JTCK-SWCLK |
| Pino 50 | PA15 — GPIO PA15, JTDI, SPI1_NSS, TIM2_CH1 |
| Pino 51 | PC10 — GPIO PC10, UART4_TX, SDIO_D2 |
| Pino 52 | PC11 — GPIO PC11, UART4_RX, SDIO_D3 |
| Pino 53 | PC12 — GPIO PC12, UART5_TX, SDIO_CK |
| Pino 54 | PD00 — GPIO PD0, FSMC_D2, CAN1_RX |
| Pino 55 | PD01 — GPIO PD1, FSMC_D3, CAN1_TX |
| Pino 56 | PD02 — GPIO PD2, TIM3_ETR, UART5_RX, SDIO_CMD |
| Pino 57 | PD03 — GPIO PD3, FSMC_CLK |
| Pino 58 | PD04 — GPIO PD4, FSMC_NOE |
| Pino 59 | PD05 — GPIO PD5, FSMC_NWE |
| Pino 60 | VSS — Digital ground |
| Pino 61 | VDD — Digital supply |
| Pino 62 | PD06 — GPIO PD6, FSMC_NWAIT |
| Pino 63 | PD07 — GPIO PD7, FSMC_NE1, USART2_CK |
| Pino 64 | PG09 — GPIO PG9, FSMC_NE2 |
| Pino 65 | PG10 — GPIO PG10, FSMC_NE3 |
| Pino 66 | PG11 — GPIO PG11, FSMC_NE4 |
| Pino 67 | PG12 — GPIO PG12, FSMC_NE5 |
| Pino 68 | PG13 — GPIO PG13, FSMC_A24 |
| Pino 69 | PG14 — GPIO PG14, FSMC_A25 |
| Pino 70 | VSS — Digital ground |
| Pino 71 | VDD — Digital supply |
| Pino 72 | PG15 — GPIO PG15 |
| Pino 73 | PB03 — GPIO PB3, JTDO-SWO, SPI1_SCK, TIM2_CH2 |
| Pino 74 | PB04 — GPIO PB4, NJTRST, SPI1_MISO, TIM3_CH1 |
| Pino 75 | PB05 — GPIO PB5, I2C1_SMBAI, SPI1_MOSI, TIM3_CH2 |
| Pino 76 | PB06 — GPIO PB6, I2C1_SCL, TIM4_CH1, USART1_TX |
| Pino 77 | PB07 — GPIO PB7, I2C1_SDA, TIM4_CH2, USART1_RX |
| Pino 78 | BOOT0 — Boot mode select |
| Pino 79 | PB08 — GPIO PB8, TIM4_CH3, I2C1_SCL, CAN1_RX |
| Pino 80 | PB09 — GPIO PB9, TIM4_CH4, I2C1_SDA, CAN1_TX |
| Pino 81 | PE00 — GPIO PE0, TIM4_ETR |
| Pino 82 | PE01 — GPIO PE1 |
| Pino 83 | VSS — Digital ground |
| Pino 84 | VDD — Digital supply |
| Pino 85 | PI10 — GPIO PI10, FSMC_NIORD |
| Pino 86 | PI11 — GPIO PI11, FSMC_NIOWR |
| Pino 87 | VSS — Digital ground |
| Pino 88 | VDD — Digital supply |
| Pino 89 | PI12 — GPIO PI12, FSMC_D[20] |
| Pino 90 | PI13 — GPIO PI13, FSMC_D[21] |
| Pino 91 | PI14 — GPIO PI14, FSMC_D[22] |
| Pino 92 | PI15 — GPIO PI15, FSMC_D[23] |
| Pino 93 | VSS — Digital ground |
| Pino 94 | VDD — Digital supply |
| Pino 95 | PG00 — GPIO PG0, FSMC_A10 |
| Pino 96 | PG01 — GPIO PG1, FSMC_A11 |
| Pino 97 | PE07 — GPIO PE7, TIM1_ETR, FSMC_D4 |
| Pino 98 | PE08 — GPIO PE8, TIM1_CH1N, FSMC_D5 |
| Pino 99 | PE09 — GPIO PE9, TIM1_CH1, FSMC_D6 |
| Pino 100 | VSS — Digital ground |
| Pino 101 | VDD — Digital supply |
| Pino 102 | PE10 — GPIO PE10, TIM1_CH2N, FSMC_D7 |
| Pino 103 | PE11 — GPIO PE11, TIM1_CH2, FSMC_D8 |
| Pino 104 | PE12 — GPIO PE12, TIM1_CH3N, FSMC_D9 |
| Pino 105 | PE13 — GPIO PE13, TIM1_CH3, FSMC_D10 |
| Pino 106 | PE14 — GPIO PE14, TIM1_CH4, FSMC_D11 |
| Pino 107 | PE15 — GPIO PE15, TIM1_BKIN, FSMC_D12 |
| Pino 108 | PB10 — GPIO PB10 |
| Pino 109 | PB11 — GPIO PB11 |
| Pino 110 | VCAP_1 — Internal regulator capacitor |
| Pino 111 | VSS — Digital ground |
| Pino 112 | VDD — Digital supply |
| Pino 113 | PB12 — GPIO PB12 |
| Pino 114 | PB13 — GPIO PB13 |
| Pino 115 | PB14 — GPIO PB14 |
| Pino 116 | PB15 — GPIO PB15 |
| Pino 117 | PD08 — GPIO PD8, FSMC_D13, USART3_TX |
| Pino 118 | PD09 — GPIO PD9, FSMC_D14, USART3_RX |
| Pino 119 | PD10 — GPIO PD10, FSMC_D15 |
| Pino 120 | PD11 — GPIO PD11, FSMC_A16, USART3_CTS |
| Pino 121 | PD12 — GPIO PD12, FSMC_A17, TIM4_CH1 |
| Pino 122 | VSS — Digital ground |
| Pino 123 | VDD — Digital supply |
| Pino 124 | PD13 — GPIO PD13, FSMC_A18, TIM4_CH2 |
| Pino 125 | PD14 — GPIO PD14, FSMC_D0, TIM4_CH3 |
| Pino 126 | PD15 — GPIO PD15, FSMC_D1, TIM4_CH4 |
| Pino 127 | PG02 — GPIO PG2, FSMC_A12 |
| Pino 128 | PG03 — GPIO PG3, FSMC_A13 |
| Pino 129 | PG04 — GPIO PG4, FSMC_A14 |
| Pino 130 | PG05 — GPIO PG5, FSMC_A15 |
| Pino 131 | PG06 — GPIO PG6, FSMC_INT2 |
| Pino 132 | PG07 — GPIO PG7, FSMC_INT3, USART6_CK |
| Pino 133 | PG08 — GPIO PG8, FSMC_CLK, USART6_RTS |
| Pino 134 | VSS — Digital ground |
| Pino 135 | VDD — Digital supply |
| Pino 136 | PC06 — GPIO PC6 |
| Pino 137 | PC07 — GPIO PC7 |
| Pino 138 | PC08 — GPIO PC8 |
| Pino 139 | PC09 — GPIO PC9 |
| Pino 140 | PA08 — GPIO PA8 |
| Pino 141 | PA09 — GPIO PA9 |
| Pino 142 | PA10 — GPIO PA10 |
| Pino 143 | PA11 — GPIO PA11 |
| Pino 144 | PA12 — GPIO PA12 |
| Pino 145 | PA13 — GPIO PA13 |
| Pino 146 | VCAP_2 — Internal regulator capacitor |
| Pino 147 | VSS — Digital ground |
| Pino 148 | VDD — Digital supply |
| Pino 149 | PA14 — GPIO PA14 |
| Pino 150 | PA15 — GPIO PA15 |
| Pino 151 | PC10 — GPIO PC10 |
| Pino 152 | PC11 — GPIO PC11 |
| Pino 153 | PC12 — GPIO PC12 |
| Pino 154 | PD00 — GPIO PD0 |
| Pino 155 | PD01 — GPIO PD1 |
| Pino 156 | PD02 — GPIO PD2 |
| Pino 157 | PD03 — GPIO PD3 |
| Pino 158 | PD04 — GPIO PD4 |
| Pino 159 | PD05 — GPIO PD5 |
| Pino 160 | VSS — Digital ground |
| Pino 161 | VDD — Digital supply |
| Pino 162 | PD06 — GPIO PD6 |
| Pino 163 | PD07 — GPIO PD7 |
| Pino 164 | PG09 — GPIO PG9 |
| Pino 165 | PG10 — GPIO PG10 |
| Pino 166 | PG11 — GPIO PG11 |
| Pino 167 | PG12 — GPIO PG12 |
| Pino 168 | PG13 — GPIO PG13 |
| Pino 169 | PG14 — GPIO PG14 |
| Pino 170 | VSS — Digital ground |
| Pino 171 | VDD — Digital supply |
| Pino 172 | PG15 — GPIO PG15 |
| Pino 173 | PB03 — GPIO PB3 |
| Pino 174 | PB04 — GPIO PB4 |
| Pino 175 | PB05 — GPIO PB5 |
| Pino 176 | PB07 — GPIO PB7 |
Aplicações típicas
STM32F439IGT6 é adequado para 7 aplicaçãos: 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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para STM32F439IGT6 — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | 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) |
Principais diferenciais
- Integrated hardware crypto/hash engine (vs STM32F429VGT6)
- Highest-density F4 in mainstream line (vs STM32F429VGT6)
- 1 MB Flash at lower cost vs 2 MB F427/F437 (vs STM32F437IIT6)
Notas de projeto
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).
Informações de conformidade
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.