STM32F439IGT6 - 180MHz ARM MCU 1MB Flash LQFP-176 | STMicroelectronics
MPN: STM32F439IGT6 ✓ AktifSTM32F439IGT6 Ringkasan
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.
Alternatif penggantian untuk STM32F439IGT6 — 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 STM32F439IGT6 (sama faktor bentuk dan footprint) — berbeda di dalam Package, Timers, SRAM, Communication Interfaces, ADC.
STM32F437IIT6
✅ Drop-InKontak untuk harga
Lihat Datasheet →STM32F429VGT6TR
✅ Drop-InKontak untuk harga
Lihat Datasheet →STM32F427VGT6
✅ Drop-InKontak untuk harga
Lihat Datasheet →STM32F429VET6
✅ Drop-InKontak untuk harga
Lihat Datasheet →STM32F427IIT6
✅ Drop-InKontak untuk harga
Lihat Datasheet →STM32F439IGT6 Rating Maksimal & Karakteristik Listrik
| Core Architecture | ARM Cortex-M4 with FPU and DSP instructions |
| Frekuensi Bawah Maximum | 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 |
| Suhu Kerja | -40 C to +85 C |
| Paket | 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 |
| Jumlah Pin | 176 |
| Pitch | 0.5 mm |
| Tipe Mounting | Surface Mount |
| Status RoHS | Compliant |
Konfigurasi Pin STM32F439IGT6
| Pin produk 1 | PE02 — GPIO PE2, alt-function TRACECLK |
| Pin produk 2 | PE03 — GPIO PE3, alt-function TRACED0 |
| Pin produk 3 | PE04 — GPIO PE4, alt-function TRACED1 |
| Pin produk 4 | PE05 — GPIO PE5, alt-function TRACED2 |
| Pin produk 5 | PE06 — GPIO PE6, alt-function TRACED3 |
| Pin produk 6 | VBAT — RTC backup supply |
| Pin produk 7 | PC13 — GPIO PC13, RTC TAMPER |
| Pin produk 8 | PC14 — GPIO PC14, OSC32_IN |
| Pin produk 9 | PC15 — GPIO PC15, OSC32_OUT |
| Pin produk 10 | VREF+ — ADC reference voltage |
| Pin produk 11 | VDDA — Analog supply |
| Pin produk 12 | PA00 — GPIO PA0, WKUP, ADC_IN0, TIM2_CH1 |
| Pin produk 13 | PA01 — GPIO PA1, ADC_IN1, TIM2_CH2 |
| Pin produk 14 | PA02 — GPIO PA2, ADC_IN2, TIM2_CH3 |
| Pin produk 15 | PA03 — GPIO PA3, ADC_IN3, TIM2_CH4 |
| Pin produk 16 | VSSA — Analog ground |
| Pin produk 17 | VDD — Digital supply |
| Pin produk 18 | PA04 — GPIO PA4, ADC_IN4, DAC_OUT1 |
| Pin produk 19 | PA05 — GPIO PA5, ADC_IN5, DAC_OUT2 |
| Pin produk 20 | PA06 — GPIO PA6, ADC_IN6, TIM3_CH1 |
| Pin produk 21 | PA07 — GPIO PA7, ADC_IN7, TIM3_CH2 |
| Pin produk 22 | PC04 — GPIO PC4, ADC_IN14 |
| Pin produk 23 | PC05 — GPIO PC5, ADC_IN15 |
| Pin produk 24 | PB00 — GPIO PB0, ADC_IN8, TIM3_CH3 |
| Pin produk 25 | PB01 — GPIO PB1, ADC_IN9, TIM3_CH4 |
| Pin produk 26 | PB02 — GPIO PB2, BOOT1 |
| Pin produk 27 | PB10 — GPIO PB10, I2C2_SCL, USART3_TX |
| Pin produk 28 | PB11 — GPIO PB11, I2C2_SDA, USART3_RX |
| Pin produk 29 | VCAP_1 — Internal regulator capacitor |
| Pin produk 30 | VSS — Digital ground |
| Pin produk 31 | VDD — Digital supply |
| Pin produk 32 | PB12 — GPIO PB12, SPI2_NSS, I2S2_WS |
| Pin produk 33 | PB13 — GPIO PB13, SPI2_SCK, I2S2_CK |
| Pin produk 34 | PB14 — GPIO PB14, SPI2_MISO, TIM12_CH1 |
| Pin produk 35 | PB15 — GPIO PB15, SPI2_MOSI, I2S2_SD |
| Pin produk 36 | PC06 — GPIO PC6, TIM3_CH1, USART6_TX |
| Pin produk 37 | PC07 — GPIO PC7, TIM3_CH2, USART6_RX |
| Pin produk 38 | PC08 — GPIO PC8, TIM3_CH3, SDIO_D0 |
| Pin produk 39 | PC09 — GPIO PC9, TIM3_CH4, SDIO_D1 |
| Pin produk 40 | PA08 — GPIO PA8, TIM1_CH1, USART1_CK, MCO1 |
| Pin produk 41 | PA09 — GPIO PA9, USART1_TX, TIM1_CH2 |
| Pin produk 42 | PA10 — GPIO PA10, USART1_RX, TIM1_CH3 |
| Pin produk 43 | PA11 — GPIO PA11, USB_DM, CAN1_RX |
| Pin produk 44 | PA12 — GPIO PA12, USB_DP, CAN1_TX |
| Pin produk 45 | PA13 — GPIO PA13, JTMS-SWDIO |
| Pin produk 46 | VCAP_2 — Internal regulator capacitor |
| Pin produk 47 | VSS — Digital ground |
| Pin produk 48 | VDD — Digital supply |
| Pin produk 49 | PA14 — GPIO PA14, JTCK-SWCLK |
| Pin produk 50 | PA15 — GPIO PA15, JTDI, SPI1_NSS, TIM2_CH1 |
| Pin produk 51 | PC10 — GPIO PC10, UART4_TX, SDIO_D2 |
| Pin produk 52 | PC11 — GPIO PC11, UART4_RX, SDIO_D3 |
| Pin produk 53 | PC12 — GPIO PC12, UART5_TX, SDIO_CK |
| Pin produk 54 | PD00 — GPIO PD0, FSMC_D2, CAN1_RX |
| Pin produk 55 | PD01 — GPIO PD1, FSMC_D3, CAN1_TX |
| Pin produk 56 | PD02 — GPIO PD2, TIM3_ETR, UART5_RX, SDIO_CMD |
| Pin produk 57 | PD03 — GPIO PD3, FSMC_CLK |
| Pin produk 58 | PD04 — GPIO PD4, FSMC_NOE |
| Pin produk 59 | PD05 — GPIO PD5, FSMC_NWE |
| Pin produk 60 | VSS — Digital ground |
| Pin produk 61 | VDD — Digital supply |
| Pin produk 62 | PD06 — GPIO PD6, FSMC_NWAIT |
| Pin produk 63 | PD07 — GPIO PD7, FSMC_NE1, USART2_CK |
| Pin produk 64 | PG09 — GPIO PG9, FSMC_NE2 |
| Pin produk 65 | PG10 — GPIO PG10, FSMC_NE3 |
| Pin produk 66 | PG11 — GPIO PG11, FSMC_NE4 |
| Pin produk 67 | PG12 — GPIO PG12, FSMC_NE5 |
| Pin produk 68 | PG13 — GPIO PG13, FSMC_A24 |
| Pin produk 69 | PG14 — GPIO PG14, FSMC_A25 |
| Pin produk 70 | VSS — Digital ground |
| Pin produk 71 | VDD — Digital supply |
| Pin produk 72 | PG15 — GPIO PG15 |
| Pin produk 73 | PB03 — GPIO PB3, JTDO-SWO, SPI1_SCK, TIM2_CH2 |
| Pin produk 74 | PB04 — GPIO PB4, NJTRST, SPI1_MISO, TIM3_CH1 |
| Pin produk 75 | PB05 — GPIO PB5, I2C1_SMBAI, SPI1_MOSI, TIM3_CH2 |
| Pin produk 76 | PB06 — GPIO PB6, I2C1_SCL, TIM4_CH1, USART1_TX |
| Pin produk 77 | PB07 — GPIO PB7, I2C1_SDA, TIM4_CH2, USART1_RX |
| Pin produk 78 | BOOT0 — Boot mode select |
| Pin produk 79 | PB08 — GPIO PB8, TIM4_CH3, I2C1_SCL, CAN1_RX |
| Pin produk 80 | PB09 — GPIO PB9, TIM4_CH4, I2C1_SDA, CAN1_TX |
| Pin produk 81 | PE00 — GPIO PE0, TIM4_ETR |
| Pin produk 82 | PE01 — GPIO PE1 |
| Pin produk 83 | VSS — Digital ground |
| Pin produk 84 | VDD — Digital supply |
| Pin produk 85 | PI10 — GPIO PI10, FSMC_NIORD |
| Pin produk 86 | PI11 — GPIO PI11, FSMC_NIOWR |
| Pin produk 87 | VSS — Digital ground |
| Pin produk 88 | VDD — Digital supply |
| Pin produk 89 | PI12 — GPIO PI12, FSMC_D[20] |
| Pin produk 90 | PI13 — GPIO PI13, FSMC_D[21] |
| Pin produk 91 | PI14 — GPIO PI14, FSMC_D[22] |
| Pin produk 92 | PI15 — GPIO PI15, FSMC_D[23] |
| Pin produk 93 | VSS — Digital ground |
| Pin produk 94 | VDD — Digital supply |
| Pin produk 95 | PG00 — GPIO PG0, FSMC_A10 |
| Pin produk 96 | PG01 — GPIO PG1, FSMC_A11 |
| Pin produk 97 | PE07 — GPIO PE7, TIM1_ETR, FSMC_D4 |
| Pin produk 98 | PE08 — GPIO PE8, TIM1_CH1N, FSMC_D5 |
| Pin produk 99 | PE09 — GPIO PE9, TIM1_CH1, FSMC_D6 |
| Pin produk 100 | VSS — Digital ground |
| Pin produk 101 | VDD — Digital supply |
| Pin produk 102 | PE10 — GPIO PE10, TIM1_CH2N, FSMC_D7 |
| Pin produk 103 | PE11 — GPIO PE11, TIM1_CH2, FSMC_D8 |
| Pin produk 104 | PE12 — GPIO PE12, TIM1_CH3N, FSMC_D9 |
| Pin produk 105 | PE13 — GPIO PE13, TIM1_CH3, FSMC_D10 |
| Pin produk 106 | PE14 — GPIO PE14, TIM1_CH4, FSMC_D11 |
| Pin produk 107 | PE15 — GPIO PE15, TIM1_BKIN, FSMC_D12 |
| Pin produk 108 | PB10 — GPIO PB10 |
| Pin produk 109 | PB11 — GPIO PB11 |
| Pin produk 110 | VCAP_1 — Internal regulator capacitor |
| Pin produk 111 | VSS — Digital ground |
| Pin produk 112 | VDD — Digital supply |
| Pin produk 113 | PB12 — GPIO PB12 |
| Pin produk 114 | PB13 — GPIO PB13 |
| Pin produk 115 | PB14 — GPIO PB14 |
| Pin produk 116 | PB15 — GPIO PB15 |
| Pin produk 117 | PD08 — GPIO PD8, FSMC_D13, USART3_TX |
| Pin produk 118 | PD09 — GPIO PD9, FSMC_D14, USART3_RX |
| Pin produk 119 | PD10 — GPIO PD10, FSMC_D15 |
| Pin produk 120 | PD11 — GPIO PD11, FSMC_A16, USART3_CTS |
| Pin produk 121 | PD12 — GPIO PD12, FSMC_A17, TIM4_CH1 |
| Pin produk 122 | VSS — Digital ground |
| Pin produk 123 | VDD — Digital supply |
| Pin produk 124 | PD13 — GPIO PD13, FSMC_A18, TIM4_CH2 |
| Pin produk 125 | PD14 — GPIO PD14, FSMC_D0, TIM4_CH3 |
| Pin produk 126 | PD15 — GPIO PD15, FSMC_D1, TIM4_CH4 |
| Pin produk 127 | PG02 — GPIO PG2, FSMC_A12 |
| Pin produk 128 | PG03 — GPIO PG3, FSMC_A13 |
| Pin produk 129 | PG04 — GPIO PG4, FSMC_A14 |
| Pin produk 130 | PG05 — GPIO PG5, FSMC_A15 |
| Pin produk 131 | PG06 — GPIO PG6, FSMC_INT2 |
| Pin produk 132 | PG07 — GPIO PG7, FSMC_INT3, USART6_CK |
| Pin produk 133 | PG08 — GPIO PG8, FSMC_CLK, USART6_RTS |
| Pin produk 134 | VSS — Digital ground |
| Pin produk 135 | VDD — Digital supply |
| Pin produk 136 | PC06 — GPIO PC6 |
| Pin produk 137 | PC07 — GPIO PC7 |
| Pin produk 138 | PC08 — GPIO PC8 |
| Pin produk 139 | PC09 — GPIO PC9 |
| Pin produk 140 | PA08 — GPIO PA8 |
| Pin produk 141 | PA09 — GPIO PA9 |
| Pin produk 142 | PA10 — GPIO PA10 |
| Pin produk 143 | PA11 — GPIO PA11 |
| Pin produk 144 | PA12 — GPIO PA12 |
| Pin produk 145 | PA13 — GPIO PA13 |
| Pin produk 146 | VCAP_2 — Internal regulator capacitor |
| Pin produk 147 | VSS — Digital ground |
| Pin produk 148 | VDD — Digital supply |
| Pin produk 149 | PA14 — GPIO PA14 |
| Pin produk 150 | PA15 — GPIO PA15 |
| Pin produk 151 | PC10 — GPIO PC10 |
| Pin produk 152 | PC11 — GPIO PC11 |
| Pin produk 153 | PC12 — GPIO PC12 |
| Pin produk 154 | PD00 — GPIO PD0 |
| Pin produk 155 | PD01 — GPIO PD1 |
| Pin produk 156 | PD02 — GPIO PD2 |
| Pin produk 157 | PD03 — GPIO PD3 |
| Pin produk 158 | PD04 — GPIO PD4 |
| Pin produk 159 | PD05 — GPIO PD5 |
| Pin produk 160 | VSS — Digital ground |
| Pin produk 161 | VDD — Digital supply |
| Pin produk 162 | PD06 — GPIO PD6 |
| Pin produk 163 | PD07 — GPIO PD7 |
| Pin produk 164 | PG09 — GPIO PG9 |
| Pin produk 165 | PG10 — GPIO PG10 |
| Pin produk 166 | PG11 — GPIO PG11 |
| Pin produk 167 | PG12 — GPIO PG12 |
| Pin produk 168 | PG13 — GPIO PG13 |
| Pin produk 169 | PG14 — GPIO PG14 |
| Pin produk 170 | VSS — Digital ground |
| Pin produk 171 | VDD — Digital supply |
| Pin produk 172 | PG15 — GPIO PG15 |
| Pin produk 173 | PB03 — GPIO PB3 |
| Pin produk 174 | PB04 — GPIO PB4 |
| Pin produk 175 | PB05 — GPIO PB5 |
| Pin produk 176 | PB07 — GPIO PB7 |
Aplikasi Umum
STM32F439IGT6 cocok untuk 7 aplikasis: 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.
Direkomendasikan
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.
Direkomendasikan
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.
Direkomendasikan
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.
Direkomendasikan
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.
Direkomendasikan
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.
Direkomendasikan
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.
Direkomendasikan
Ringkasan Produk Direkomendasikan
Data referensi engineering untuk STM32F439IGT6 — pembandingan, panduan desain, dan informasi konformitas.
Panduan Pemilihan
Pembandingan dengan Alternatif
| Parameter Umum | Produk Ini | 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) |
Diferensiator Kunci
- Integrated hardware crypto/hash engine (vsSTM32F429VGT6)
- Highest-density F4 in mainstream line (vsSTM32F429VGT6)
- 1 MB Flash at lower cost vs 2 MB F427/F437 (vsSTM32F437IIT6)
Catatan Desain
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).
Informasi Konformitas
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.