STM32F446ZEJ6TR - 180MHz Cortex-M4 MCU 512KB Flash UFBGA-144 | STMicroelectronics
MPN: STM32F446ZEJ6TR ✓ NakahandaSTM32F446ZEJ6TR Ulas
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, data memory, and programmable peripherals. The STM32 family is built on the ARM Cortex-M architecture; the Cortex-M4 specifically adds single-precision floating-point unit (FPU) and DSP instructions, making it suitable for signal-processing tasks. The STM32F4 line sits at the high-performance tier of the STM32 portfolio, above Cortex-M0/M0+ entry parts and below Cortex-M7 lines, and is widely used as a system controller in industrial, audio, motor, and consumer designs.
Key features of the STM32F446ZEJ6TR include: a Chrom-ART Accelerator for fast 2D graphics, two dedicated audio PLLs (I2S / SAI), a 12-bit ADC (2.4 MSPS), two 12-bit DACs, three I2C, four USART/UART, three SPI, two CAN 2.0B, USB 2.0 Full-Speed and USB 2.0 High-Speed with on-chip PHY, SDMMC, Quad-SPI, FMC for external SDRAM/NOR/NAND, and an integrated RTC with calendar. The UFBGA-144 package exposes 114 GPIO, three 16-bit timers plus one 32-bit timer, and 12-channel DMA.
Architecturally, the part uses a multi-AHB bus matrix with separate bridges for SRAM and Flash, giving it the throughput to drive external SDRAM and TFT displays without wait states. The on-chip PHY for USB HS removes the need for an external ULPI transceiver, shrinking BOM cost.
Typical applications: digital audio systems, USB audio interfaces, motor control (FOC / six-step), industrial PLCs, point-of-sale terminals, and high-speed USB peripherals. For designs requiring flexible audio and USB with deterministic real-time performance, the STM32F446ZEJ6TR provides a strong balance of peripherals, memory, and MHz.
When laying out the UFBGA-144, use 0.8 mm-pitch escape routing and at least 4-layer stack-up with a continuous ground plane. Decouple each VDD pin with 100 nF + 4.7 uF ceramic capacitors placed within 1-2 mm of the ball, and reserve an optional ferrite bead on VDDA. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Mga alternatibo na pwedeng ilagay na STM32F446ZEJ6TR — parehas na package, pin-to-pin na katugmang. Hindi kasama ang mga bahagi ng iba't-ibang package na nangangailangan ng pagpapaayos ng PCB.
Variante sa Seri na ito
Katulad na modelo sa serye na katugma sa pagpasok STM32F446ZEJ6TR (parehas na form factor at footprint) — pagkakaiba sa Package, Core, Flash Organization, ADC, Timers.
STM32F446ZEJ6
✅ Drop-InMagkontak para sa presyo
Tingnan ang Datasheet →STM32F446ZET6
✅ Drop-InMagkontak para sa presyo
Tingnan ang Datasheet →STM32F446ZET6TR
✅ Drop-In📋 Alternatibo na Reference (hindi sa katalogo)
STM32F446ZEH6TR
✅ Drop-InMagkontak para sa presyo
Tingnan ang Datasheet →STM32F446ZCH6
✅ Drop-InMagkontak para sa presyo
Tingnan ang Datasheet →STM32F446ZEJ6TR Mga Pinakamataas na Rating at Electrical Characteristics
| Core | ARM Cortex-M4 with FPU and DSP |
| Maximum CPU Frequency | 180 MHz |
| CoreMark / DMIPS | 608 CoreMark / 225 DMIPS |
| Program Memory (Flash) | 512 KB |
| SRAM | 128 KB |
| Supply Voltage (VDD) | 1.7 V to 3.6 V |
| Temperature na Operasyon | -40 C to +85 C (grade 6) |
| Packhaging | 144-ball UFBGA, 10x10 mm, 0.8 mm pitch |
| GPIO Count | 114 |
| ADC | 3x 12-bit, 2.4 MSPS |
| DAC | 2x 12-bit |
| Timers | 10 general-purpose 16-bit, 2 32-bit, low-power, SysTick |
| DMA Channels | 16 (2x 8-stream DMA controllers) |
| Communication Interfaces | USB FS, USB HS w/ on-chip PHY, 3x SPI, 3x I2C, 4x USART/UART, 2x CAN 2.0B, SDMMC, SAI, Quad-SPI |
| External Memory Bus | FMC (SDRAM, NOR, NAND, PSRAM) |
| Tindminan RoHS | Compliant |
| Level ng MSL | 3 (168 hours) |
Gabay sa Pin Configuration ng STM32F446ZEJ6TR 144-ball ufbga, 10x10 mm, 0.8 mm pitch
Pin configuration para sa STM32F446ZEJ6TR (144-ball ufbga, 10x10 mm, 0.8 mm pitch package). Kasama sa digital IC na ito ang GPIO, mga communication interface (UART, SPI, I2C), at mga power pin. Sumangguni sa datasheet ng manufacturer para sa mga alternatibong function ng pin at mga opsyon sa configuration. Mahalaga para sa disenyo ng embedded system at PCB layout.
Wala ng detalyadong pinout data na magagamit para sa STM32F446ZEJ6TR.
Sumangguni sa datasheet para sa buong pin configuration.
Tipikal na mga Gamit
STM32F446ZEJ6TR ay nararapat para sa 6 aplikasyons: USB Audio Interface (Class Compliant), Field-Oriented Control (FOC) Motor Drive, Industrial PLC / HMI Controller, USB-to-UART / USB-to-SPI Bridge Device, Portable Data Acquisition / Logging System, Point-of-Sale (POS) Terminal / Barcode Scanner.
USB Audio Interface (Class Compliant)
The STM32F446ZEJ6TR's 180 MHz Cortex-M4 with FPU plus integrated USB 2.0 High-Speed on-chip PHY and dual dedicated audio PLLs (I2S/SAI) make it a strong host for USB Audio Class 1.0/2.0 interfaces, headphone DACs, and USB microphones. The 128 KB SRAM provides 4x audio sample buffers at 192 kHz / 24-bit without DMA underrun, while the 512 KB dual-bank Flash supports field-upgradeable firmware via DFU. Compared to F0-class Cortex-M0 USB devices, the F4 adds deterministic interrupt latency critical for isochronous USB audio streams.
Inirekomenda
Field-Oriented Control (FOC) Motor Drive
The 180 MHz Cortex-M4 with single-precision FPU and DSP extensions runs FOC algorithms on a 3-phase PMSM or BLDC motor at 20+ kHz PWM without CPU saturation. Three 12-bit ADCs sampled at 2.4 MSPS capture phase currents with sub-microsecond latency, and the 16-bit advanced timers produce center-aligned PWM with hardware dead-time insertion. The 512 KB Flash stores full state-space controllers and speed-loop firmware, while the FMC bus connects to external SDRAM for data logging.
Inirekomenda
Industrial PLC / HMI Controller
The STM32F446ZEJ6TR's combination of CAN 2.0B (2x), USB HS, RS-485-capable UARTs (4x), and a 2.4 MSPS 12-bit ADC suits it for compact industrial PLCs, distributed I/O nodes, and small HMI panels. The 144-ball UFBGA exposes 114 GPIO to drive keypads, character or TFT displays, and digital I/O. The Cortex-M4 DSP extensions accelerate PLC instruction scans and floating-point PID loops, and the dedicated RTC with calendar handles timestamped event logging.
Inirekomenda
USB-to-UART / USB-to-SPI Bridge Device
The on-chip USB HS PHY plus 4x USART and 3x SPI make the STM32F446ZEJ6TR a high-performance USB-to-serial bridge, replacing FTDI-class parts with an open-source ST firmware stack. The 180 MHz core sustains 12 Mbps USB bulk throughput with negligible CPU load, freeing 70%+ of CPU for protocol conversion. The 512 KB Flash stores multi-protocol translation tables, while the RTC and watchdog timers support unattended industrial deployments.
Inirekomenda
Portable Data Acquisition / Logging System
With 3x 12-bit ADCs at 2.4 MSPS, 128 KB SRAM, and an SDMMC host, the STM32F446ZEJ6TR can stream multi-channel analog data directly to a microSD card at 1 MSPS aggregate sample rate. The 1.7 V to 3.6 V VDD range supports direct Li-ion battery operation, and the low-power Run, Sleep, and Stop modes extend battery life to multi-month standby. The Quad-SPI interface allows high-speed serial Flash expansion for long-duration log files.
Inirekomenda
Point-of-Sale (POS) Terminal / Barcode Scanner
The STM32F446ZEJ6TR's USB HS host, 2x CAN, multiple UARTs, and TFT-capable FMC bus fit a compact POS terminal that drives a 480x272 LCD, a 1D/2D barcode imager, an EMV card reader, and a receipt printer. The Cortex-M4 DSP extensions accelerate AES-256 encryption for PCI PIN transactions, and the dedicated RTC timestamps every transaction. The 144-ball UFBGA provides the 100+ GPIO such a system needs without external I/O expanders.
Inirekomenda
Buod ng mga Inirekomendang Produkto
Impormasyon ng Talumpati sa Engineering for STM32F446ZEJ6TR — ikabit, gabay sa disenyo, at impormasyon ng pagsunod sa kautusan.
Paunawang Hanapin
Ikabit sa Mga Alternatibo
| Parametro | Ito ang Producto | STM32F446ZEJ6 | STM32F446ZET6 | STM32F446ZET6TR | STM32F446ZEH6TR | STM32F446ZCH6 |
|---|---|---|---|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Package | UFBGA-144 (10x10 mm) | UFBGA-144 - same | UFBGA-144 - same | UFBGA-144 - same | UFBGA-144 - same | UFBGA-144 - same |
| Core / Frequency | Cortex-M4F / 180 MHz | Cortex-M4F / 180 MHz | Cortex-M4F / 180 MHz | Cortex-M4F / 180 MHz | Cortex-M4F / 180 MHz | Cortex-M4F / 180 MHz |
| Flash / SRAM | 512 KB / 128 KB | 512 KB / 128 KB | 512 KB / 128 KB | 512 KB / 128 KB | 512 KB / 128 KB | 256 KB / 128 KB (-50% Flash) |
| Operating Temperature | -40 C to +85 C (grade 6) | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C |
| USB HS on-chip PHY | Yes | Yes | Yes | Yes | Yes | Yes |
| Shipping Medium | Tape & Reel | Tray | Tray | Tape & Reel | Tape & Reel | Tray |
Pangunahing mga Pagkakaiba
- Best-in-class Cortex-M4 frequency at 180 MHz with on-chip USB HS PHY (kumpara saSTM32F446ZCH6)
- Production-ready Tape & Reel packaging (kumpara saSTM32F446ZEJ6)
- Dual dedicated audio PLLs (I2S/SAI) and Chrom-ART accelerator (kumpara saSTM32F407IGH6)
Talaan ng Disenyo
The 144-ball UFBGA at 0.8 mm pitch demands 4-layer PCB with HDI microvia-in-pad. Place 100 nF + 4.7 uF ceramic decoupling pairs within 1-2 mm of every VDD/VSS ball pair. Provide a continuous uninterrupted ground plane directly under the package to minimise ground bounce on the high-speed USB HS signals; reference ST AN4013 (STM32F4 PCB design guidelines) for the full decoupling and stack-up checklist.
The USB HS PHY and PLL blocks are noise-sensitive. Power VDDA from a dedicated ferrite bead plus 2.2 uF + 100 nF + 10 nF capacitor network, isolated from the noisy digital VDD. A bulk 10 uF + 100 nF pair on each VDD pin set is also recommended. Do not power VDDA directly from the same rail as the I/O bank; the resulting digital switching noise on VDDA will degrade ADC SNR and USB HS eye performance.
Estimated: total package thermal dissipation is dominated by the CPU core. With theta_JA around 30 C/W for a 4-layer JEDEC board at 180 MHz, the part is fine for most applications, but adding a small copper pour under the central ball array reduces junction temperature by 10-15 C. Always configure the unused balls per ST AN4013 - leaving them floating can create antenna effects on the SDRAM bus.
Impormasyon ng Pagsunod sa Kautusan
RoHS and REACH compliant per ST product page. Not AEC-Q100 qualified - use STM32F446 grade 7 variant for automotive. Halogen-free status not stated in verified data.
