STM32H7A3/7B3

280 MHz f_CPU/, 1414 CoreMark /599 DMIPS executing from Flash memory, with 0-wait states thanks to its L1 cache.
L1 cache (16 Kbytes of I-cache +16 Kbytes of D-cache) boosting execution performance from external memories.

Security

STM32H7B3 MCUs include the following additional security features:

Crypto/hash hardware acceleration
On-the-fly decryption on Octo-SPI external serial flash memory
Secure Firmware Install (SFI) embedded security services to authenticate and protect your software IPs while performing initial programming.
Secure Boot Secure Firmware Update (SBSFU)

Power efficiency

Dual-power domain architecture enables each power domain to be set in low-power mode to optimize power efficiency
Embedded SMPS to scale down the supply voltage. It can also be used to supply external circuitry and can also be combined with the LDO for specific use cases
120 μA/MHz typical @ VDD = 3.3 V and 25 °C in Run mode (peripherals off) and SMPS
32 μA typical in STOP mode (low-power mode)
2.2 μA typical in Standby mode (low-power mode)
0.74 μA typical in VBAT mode with RTC (low-power mode)

Graphics

LCD-TFT controller interface with dual-layer support
Chrom?ART Accelerator? boosts graphical content creation while saving core processing power, thus freeing up the MCU for other application needs
Chrom-GRC? optimizes RAM use
JPEG hardware accelerator for fast JPEG encoding and decoding, off-loading the CPU

Embedded peripherals

Up to 35 communication interfaces including FD-CAN, USB 2.0 high-speed/full-speed, camera interface, Parallel synchronous data input/output slave interface (PSSI)
Easily extendable memory range using the flexible memory controller with a 32-bit parallel interface, or the dual Octo-SPI serial Flash memory interface
Analog: Dual 16-bit ADCs
Multiple 16- and 32-bit timers running at up to 280 MHz

The STM32H7A3/7B3 MCU lines provides 1 to 2 Mbytes Flash memory, 1.4 Mbytes of SRAM with the following architecture: 192 Kbytes of TCM RAM (including 64 Kbytes of ITCM RAM and 128 Kbytes of DTCM RAM for time-critical routines and data), 1.18 Mbytes of user SRAM, and 4 Kbytes of SRAM in backup domain to keep data in the lowest power modes and 64- to 225-pin packages in BGA and LQFP profiles.

STM32H7A3QI
High-performance and DSP with DP-FPU, Arm Cortex-M7 MCU with 2MBytes of Flash memory, 1376 KB SRAM, 280 MHz CPU, L1 cache, graphic accelerations, external memory interfaces, SMPS and large set of peripherals
STM32H7B3NI
High-performance and DSP with DP-FPU, Arm Cortex-M7 MCU with 2MBytes of Flash memory, 1376 KB SRAM, 260 MHz CPU, L1 cache, graphic accelerations, external memory interfaces, SMPS and large set of peripherals
STM32H7A3IG
High-performance and DSP with DP-FPU, Arm Cortex-M7 MCU with 1MBytes of Flash memory, 1376 KB SRAM, 280 MHz CPU, L1 cache, graphic accelerations, external memory interfaces and large set of peripherals
STM32H7A3RI
High-performance and DSP with DP-FPU, Arm Cortex-M7 MCU with 2MBytes of Flash memory, 1376 KB SRAM, 280 MHz CPU, L1 cache, graphic accelerations, external memory interfaces and large set of peripherals
STM32H7A3RG
High-performance and DSP with DP-FPU, Arm Cortex-M7 MCU with 1MBytes of Flash memory, 1376 KB SRAM, 280 MHz CPU, L1 cache, graphic accelerations, external memory interfaces and large set of peripherals
STM32H7B3AI
High-performance and DSP with DP-FPU, Arm Cortex-M7 MCU with 2MBytes of Flash memory, 1376 KB SRAM, 280 MHz CPU, L1 cache, graphic accelerations, external memory interfaces, SMPS and large set of peripherals
STM32H7B3II
High-performance and DSP with DP-FPU, Arm Cortex-M7 MCU with 2MBytes of Flash memory, 1376 KB SRAM, 280 MHz CPU, L1 cache, graphic accelerations, external memory interfaces and large set of peripherals
STM32H7A3ZG
High-performance and DSP with DP-FPU, Arm Cortex-M7 MCU with 1MBytes of Flash memory, 1376 KB SRAM, 280 MHz CPU, L1 cache, graphic accelerations, external memory interfaces and large set of peripherals
STM32H7B3QI
High-performance and DSP with DP-FPU, Arm Cortex-M7 MCU with 2MBytes of Flash memory, 1376 KB SRAM, 280 MHz CPU, L1 cache, graphic accelerations, external memory interfaces, SMPS and large set of peripherals
STM32H7A3II
High-performance and DSP with DP-FPU, Arm Cortex-M7 MCU with 2MBytes of Flash memory, 1376 KB SRAM, 280 MHz CPU, L1 cache, graphic accelerations, external memory interfaces and large set of peripherals
STM32H7B3VI
High-performance and DSP with DP-FPU, Arm Cortex-M7 MCU with 2MBytes of Flash memory, 1376 KB SRAM, 280 MHz CPU, L1 cache, graphic accelerations, external memory interfaces, SMPS and large set of peripherals
STM32H7A3NG
High-performance and DSP with DP-FPU, Arm Cortex-M7 MCU with 1MBytes of Flash memory, 1376 KB SRAM, 280 MHz CPU, L1 cache, graphic accelerations, external memory interfaces, SMPS and large set of peripherals
STM32H7A3ZI
High-performance and DSP with DP-FPU, Arm Cortex-M7 MCU with 2MBytes of Flash memory, 1376 KB SRAM, 280 MHz CPU, L1 cache, graphic accelerations, external memory interfaces and large set of peripherals
STM32H7A3AG
High-performance and DSP with DP-FPU, Arm Cortex-M7 MCU with 1MBytes of Flash memory, 1376 KB SRAM, 280 MHz CPU, L1 cache, graphic accelerations, external memory interfaces, SMPS and large set of peripherals
STM32H7B3ZI
High-performance and DSP with DP-FPU, Arm Cortex-M7 MCU with 2MBytes of Flash memory, 1376 KB SRAM, 280 MHz CPU, L1 cache, graphic accelerations, external memory interfaces and large set of peripherals
STM32H7B3RI
High-performance and DSP with DP-FPU, Arm Cortex-M7 MCU with 2MBytes of Flash memory, 1376 KB SRAM, 280 MHz CPU, L1 cache, graphic accelerations, external memory interfaces and large set of peripherals
STM32H7A3VI
High-performance and DSP with DP-FPU, Arm Cortex-M7 MCU with 2MBytes of Flash memory, 1376 KB SRAM, 280 MHz CPU, L1 cache, graphic accelerations, external memory interfaces, SMPS and large set of peripherals
STM32H7A3VG
High-performance and DSP with DP-FPU, Arm Cortex-M7 MCU with 2MBytes of Flash memory, 1376 KB SRAM, 280 MHz CPU, L1 cache, graphic accelerations, external memory interfaces, SMPS and large set of peripherals
STM32H7A3AI
High-performance and DSP with DP-FPU, Arm Cortex-M7 MCU with 2MBytes of Flash memory, 1376 KB SRAM, 280 MHz CPU, L1 cache, graphic accelerations, external memory interfaces, SMPS and large set of peripherals
STM32H7A3NI
High-performance and DSP with DP-FPU, Arm Cortex-M7 MCU with 2MBytes of Flash memory, 1376 KB SRAM, 280 MHz CPU, L1 cache, graphic accelerations, external memory interfaces, SMPS and large set of peripherals
STM32H7B3LI
High-performance and DSP with DP-FPU, Arm Cortex-M7 MCU with 2MBytes of Flash memory, 1376 KB SRAM, 260 MHz CPU, L1 cache, graphic accelerations, external memory interfaces, SMPS and large set of peripherals
STM32H7A3LI
High-performance and DSP with DP-FPU, Arm Cortex-M7 MCU with 2MBytes of Flash memory, 1376 KB SRAM, 280 MHz CPU, L1 cache, graphic accelerations, external memory interfaces, SMPS and large set of peripherals
STM32H7A3LG
High-performance and DSP with DP-FPU, Arm Cortex-M7 MCU with 1MBytes of Flash memory, 1376 KB SRAM, 280 MHz CPU, L1 cache, graphic accelerations, external memory interfaces, SMPS and large set of peripherals