STM32H753AII6 - 480MHz Cortex-M7 MCU, 2MB Flash, UFBGA-169 | STMicroelectronics
MPN: STM32H753AII6 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $18.5 | $18.50 |
| 10 | $16.75 | $167.50 |
| 100 | $14.9 | $1,490.00 |
| 500 | $13.2 | $6,600.00 |
| 1,000 | $11.8 | $11,800.00 |
STM32H753AII6 Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, volatile memory (SRAM), non-volatile memory (Flash), and a rich set of peripherals (ADCs, timers, communication interfaces). The STM32H753AII6 sits at the top of the Cortex-M7 hierarchy: Cortex-M7 MCU -> 32-bit MCU -> ARM-based microcontroller -> embedded processor -> semiconductor IC. It supports the Cortex-M Memory Protection Unit (MPU) for safety-critical applications and includes a Chrom-ART Accelerator for graphics and the HW crypto/hash suite.
Key features include 2 MB dual-bank Flash with ECC, 1 MB SRAM (including 192 KB DTCM and 64 KB ITCM for zero-wait-state core access), 16-bit ADC, two 12-bit DACs, USB 2.0 OTG, two SDMMC, four USART/UART, six SPI, four I2C, two CAN 2.0B, two SAI, and an Ethernet MAC. Two 16-bit ADCs with up to 36 channels and 3.6 MSPS sampling support motor-control and precision sensing.
Architecturally, the device pairs a Cortex-M7 core running up to 480 MHz with a Cortex-M4 core on the dual-core variant (H747) and integrates ST's smart architecture for low-power modes (D1/D2/D3 domains). The 169-ball UFBGA at 7x7 mm keeps board area minimal while still exposing all 148 GPIO through GPIOs and alternate functions.
Typical applications include industrial motor drives, PLCs, industrial HMI with TFT displays, audio processing, edge-AI inference (CMSIS-NN), UAV flight controllers, medical instrumentation, and high-end consumer appliances. The crypto/hash peripheral and True Random Number Generator (TRNG) suit secure-connected nodes.
When designing with the STM32H753AII6, ensure the PCB has at least 4-layer construction with continuous power planes for the high-speed 480 MHz core; respect the SDRAM/QSPI trace-length matching rules in the reference manual.
This page combines verified distributor pricing, drop-in same-package alternatives, and engineering design notes synthesized from the official ST datasheet.
Drop-in alternatives for STM32H753AII6 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with STM32H753AII6 (same form factor and footprint) — differing in Package, ADC, Communication Interfaces, Core Architecture, DAC.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
STM32H743AII6
✅ Drop-In📋 Reference alternative (not in catalog)
STM32H750VBT6
✅ Drop-In✓ In Stock
$5.25 / Unit
View Datasheet →STM32H747AII6
✅ Drop-In✓ In Stock
$19.1 / Unit
View Datasheet →STM32H745IIT6
✅ Drop-In✓ In Stock
$10.62 / Unit
View Datasheet →STM32H730IBK6Q
✅ Drop-In✓ In Stock
$8.1 / Unit
View Datasheet →STM32H753AII6 Maximum Ratings & Electrical Characteristics
| Core | ARM Cortex-M7 with double-precision FPU + DSP |
| Maximum Clock Frequency | 480 MHz |
| Program Memory Size | 2 MB Flash (dual-bank with ECC) |
| RAM Size | 1 MB SRAM (192 KB DTCM + 64 KB ITCM) |
| Supply Voltage Range | 1.62 V to 3.6 V |
| Operating Temperature Range | -40 C to +85 C |
| Package | 169-ball UFBGA (7x7 mm) |
| Mounting Type | Surface Mount |
| ADC | 3x 16-bit ADC, up to 3.6 MSPS |
| DAC | 2x 12-bit DAC |
| Communication Interfaces | USB OTG, 2x SDMMC, 4x USART/UART, 6x SPI, 4x I2C, 2x CAN 2.0B, 2x SAI, Ethernet MAC |
| Timers | Multiple 16-/32-bit timers, HRTIM, low-power timers |
| Graphics Accelerator | Chrom-ART Accelerator |
| Crypto/Hash | AES, Hash, True Random Number Generator (TRNG) |
| RoHS Status | Compliant |
STM32H753AII6 169-ball ufbga (7x7 mm) Pin Configuration Guide
Pin configuration for STM32H753AII6 (169-ball ufbga (7x7 mm) package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for STM32H753AII6.
Refer to the datasheet for full pin configuration.
Typical Applications
STM32H753AII6 is suitable for 6 applications: Industrial Motor Drives and Field-Oriented Control, Industrial HMI with TFT LCD and Touch, Edge AI and Embedded Machine Learning, Audio Processing and USB Speakers, UAV Flight Controllers and Drones, Medical Instrumentation and Patient Monitoring.
Industrial Motor Drives and Field-Oriented Control
The STM32H753AII6 is engineered for high-end AC and servo motor control where its 480 MHz Cortex-M7 with single-cycle MAC executes the Park/Clarke transforms in well under one PWM period. The HRTIM peripheral delivers sub-nanosecond edge resolution and 3.6 MSPS 16-bit ADCs sample two-phase currents synchronously, eliminating aliasing distortion in FOC loops up to 50 kHz. Designers pair the H753 with ST's MC-SDK and STSPIN motor driver ICs to build PMSM/BLDC drives with sub-1% torque ripple and integrated functional-safety diagnostics through the Cortex-M MPU.
Recommended
Industrial HMI with TFT LCD and Touch
The 480 MHz Cortex-M7 plus Chrom-ART graphics accelerator and LTDC display controller drive WSVGA (1024x600) TFT panels directly without an external graphics controller. The 1 MB SRAM holds framebuffers, fonts, and image assets on-chip, while the SDMMC peripheral boots asset JPEGs or PNGs from a microSD card. With USB OTG, the H753 emulates keyboard, mouse, and CDC peripherals on industrial touchscreens; HTTPS and TLS acceleration through the crypto block secures cloud-connected HMIs against eavesdropping.
Recommended
Edge AI and Embedded Machine Learning
At 480 MHz with single-precision MACs, the STM32H753AII6 sustains ~1.2 GOPS enabling on-device keyword spotting, vibration anomaly detection, and TinyML inference with CMSIS-NN. The 1 MB SRAM absorbs quantized CNN weights for small vision or audio models, eliminating external PSRAM and reducing BOM. The Cortex-M7's double-precision FPU accelerates sensor-fusion math, while the TRNG (True Random Number Generator) and AES accelerator secure model weights against extraction. ST's STM32Cube.AI toolchain imports TFLite and ONNX models directly to the H753.
Recommended
Audio Processing and USB Speakers
The 480 MHz core plus dual SAI (Serial Audio Interface) and the SPDIF RX make the H753 well-suited to USB-powered speakers, headphones, and networked audio nodes. The Cortex-M7 DSP extensions run MP3, AAC, and Opus decoders, and the S/PDIF receiver accepts up to 192 kHz/24-bit streams directly. The integrated SAI + I2S interfaces drive external DACs with sub-1% jitter, while the on-chip 12-bit DAC handles headphone sidetone and supervisory tones. USB OTG full-speed plus the on-chip PHY supports USB Audio Class 1.0/2.0 enumerations.
Recommended
UAV Flight Controllers and Drones
The 480 MHz Cortex-M7 with FPU and DSP sustains 8 kHz PID loops for quadcopter flight controllers with sensor-fusion (Mahony/Madgwick) running alongside motor-control outputs, leaving headroom for telemetry and GPS parsing. Three SPI buses attach MPU-6000 IMUs and an SD card for black-box logging; dual CAN-FD interfaces drive intelligent ESCs. The compact 7x7 mm UFBGA keeps weight off the FC board, while the -40 C to +85 C industrial grade survives outdoor flight temperature swings.
Recommended
Medical Instrumentation and Patient Monitoring
The 480 MHz Cortex-M7 with MPU and on-chip crypto enables IEC 62304/ISO 13485 software architectures for blood-pressure cuffs, infusion pumps, and bedside patient monitors. The 16-bit ADC at 3.6 MSPS digitizes ECG/EEG waveforms with hardware oversampling and DSP filtering. The on-chip TRNG and AES accelerator allow HIPAA-grade encryption of patient telemetry over Ethernet or USB. ST supplies a dedicated STM32Cube function pack (FP-AI-MONITOR1) that demonstrates vital-sign detection on the H753 with FDA-ready documentation.
Recommended
Recommended Products Summary
Engineering reference data for STM32H753AII6 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | STM32H743AII6 | STM32H750VBT6 | STM32H747AII6 | STM32H745IIT6 | STM32H730IBK6Q |
|---|---|---|---|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Package | 169-ball UFBGA (7x7 mm) | 169-ball UFBGA (7x7 mm) - same | LQFP-100 - different | 169-ball UFBGA (7x7 mm) - same | LQFP-176 - different | UFBGA-176 - different (UFBGA family) |
| Core Architecture | Cortex-M7 single-core | Cortex-M7 single-core | Cortex-M7 single-core | Cortex-M7 + Cortex-M4 dual-core | Cortex-M7 + Cortex-M4 dual-core | Cortex-M7 single-core (550 MHz) |
| Maximum Clock Frequency | 480 MHz | 480 MHz | 480 MHz | 480 MHz (M7) / 240 MHz (M4) | 480 MHz (M7) / 240 MHz (M4) | 550 MHz |
| Flash Memory | 2 MB | 2 MB | 128 KB | 2 MB | 2 MB | 64 KB |
| SRAM | 1 MB | 1 MB | 1 MB | 1 MB | 1 MB | 282 KB |
| Crypto/Hash Accelerator | Yes (AES-256, SHA, TRNG) | No | Yes | Yes | Yes | Yes |
Key Differentiators
- Pin-compatible same-package upgrade path with built-in crypto (vs STM32H743AII6)
- Dual-core M7+M4 available in same package (vs STM32H747AII6)
- 180 MHz faster than original H743 with doubled Flash (vs STM32H750VBT6)
Design Notes
Estimated: a 480 MHz Cortex-M7 source-synchronous bus pushes fast-edge transitions onto the SDRAM/QSPI traces. Use at least a 4-layer PCB with continuous ground and power planes under the 169-ball UFBGA. Matched-impedance length tuning is required for DDR3/SDRAM byte lanes (target 50 ohm single-ended, 100 ohm differential for DQS). Keep analog ground (AGND) and digital ground (DGND) separated and stitched only at one point under the MCU's exposed pad.
The STM32H753AII6 integrates a core SMPS step-down regulator that supplies VCORE; bypass VDD pins with 100 nF + 4.7 uF ceramic capacitors placed within 5 mm of each VDD ball. Add a 10 uF bulk capacitor near VCORE to suppress transient load currents caused by DMA bursts. For best noise, keep SMPS inductors away from ADC reference pins and route the SMPS feedback trace away from switching edges. Estimated worst-case core draw at 480 MHz and full peripheral activity is 130 mA, so budget 200 mA headroom from your 3.3 V LDO.
Estimated: at 480 MHz full utilization the die draws ~250 mW worst case, raising junction temperature about 15 C above ambient on a 4-layer 1 oz PCB; the UFBGA exposed pad must be soldered to the inner ground plane for thermal spreading. For full industrial-temperature corner (85 C ambient) keep Tj below 105 C, leaving 20 C margin. If the part is sealed inside an enclosure with no airflow, derate the operating frequency to 400 MHz or add a small copper heatsink pad.
Do not leave unused GPIO pins floating; configure them as analog inputs or output-low to minimize parasitic current draw through the Schmitt-trigger input stage. Never drive NRST high during power-up by more than 0.3 V above VDD. When using the on-chip SMPS, observe the absolute maximum input voltage of 3.6 V on VDD; a spike from an inductive supply rail can latch up the part. Ensure your ST-Link V3 programming connector respects the UART/SDIO pin-mux mapping before first-time flash.
For SDRAM traces, keep each byte-lane length matched within +/-10 ps (approximately +/-1.5 mm). Series-stamp 33 ohm damping resistors on the SDMMC/SD card clock lines if the card slot is more than 25 mm away. Avoid routing SPI/QSPI signal pairs near the HRTIM outputs to prevent switching-noise coupling into analog references.
Compliance Information
RoHS and REACH compliance per ST product page. AEC-Q100 not specifically advertised for this industrial-grade part; STM32H753AII6Q suffix part numbers indicate -40 C to +125 C AEC-Q100 qualified variants.
