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These are the first 64-bit STM32 chips in the STM32MP2 series (all were previously 32-bit), and the first in the series will be the STM32MP25, available with one or two 1.5 GHz 64-bit Arm Cortex-A35 cores (up to 6000 DMIPS), which work together with an integrated 400 MHz Cortex-M33 core for real-time processing. External 32-bit DDR4 and LPDDR4 memory modules are supported.<\/p>\n
\u201cA dedicated NPU [neural processor] adds up to 1.35Top\/s of computing muscle optimized to accelerate peripheral AI in applications such as machine vision and predictive maintenance,\u201d according to ST.<\/p>\n
Communication facilities include Gigabit TSN (Time Sensitive Network) with two-port Gigabit Ethernet TSN switch, PCIe, USB 3.0 and CAN-FD peripherals.<\/p>\n
Data hubs and gateways are potential applications. "For example, the MPU can receive video from a 5-megapixel sensor at 30 fps, perform analytics with the Edge AI accelerator, and send the corresponding video by encoding with a hardware encoder," said S.T.<\/p>\n
It comes with a 1080p 3D GPU with 1080p video support (1.35Top\/s) that supports real-time Vulkan graphics for Android apps. The 1080p codec has connections including LVDS, 4-lane MIPI DSI and MIPI CSI-2 for cameras with Raw-Bayer image sensors.<\/p>\n
"Security features that enable SESIP Level 3 certification include Arm's TrustZone architecture and resource isolation framework," said ST. \u201cThis is complemented by secure key storage, secure boot, unique device identifier in one-time programmable memory, hardware cryptographic mechanisms and on-the-fly DDR encryption and decryption.\u201d<\/p>\n
<p>-40 to +125\u00b0C operating range, the package includes a 0.8mm pitch TFBGA package designed for four-layer PCBs, and the STM32MP2 MPUs have a 10-year lifetime from ST.<\/p>\n
STM32MP25 samples and evaluation boards are available to "select OEM customers," ST said. Serial production of chips and boards is scheduled to begin in the first half of 2024.<\/p>\n
The STM32MPU ecosystem includes the OpenSTLinux distribution with an AI framework (X-Linux-AI). For the included Cortex-M33 core, there are STM32Cube development tools whose firmware will run on bare metal or OSRV.<\/p>\n
. Specifications have not yet been released, as details are currently only available to pre-selected alpha customers, ST Electronics Weekly reported.<\/p>\n
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