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Arm Offers Bespoke Cortex-M CPUs
Arm is opening the Arm v8-M architecture to allow custom instructions. Cortex-M33 is the first CPU to support this new feature, but all future Arm v8-M cores will as well.
Chiplet Technology Proliferates
Chiplets are getting lots of attention in IC-design circles, as real products are shipping in high volumes from leading vendors. Package and interface technologies are advancing chiplet-based designs.
Renesas RA MCUs Strengthen Security
Renesas Advanced (RA) microcontrollers will include the company’s first models that implement Arm’s TrustZone technology. The 32-bit RA family comprises chips with Cortex-M23 and Cortex-M4 CPUs; future products will add Cortex-M33.
ARC VPX5 Sports Four-Way VLIW
The new VPX5 is the first Synopsys ARC DSP to employ a VLIW architecture, combining a scalar CPU, a 512-bit vector/SIMD unit, and an optional vector floating-point engine. 
Emerging Memories: Why Now?
How will an emerging memory technology rise to prominence? Both technology and market dynamics will lead to the replacement of today’s technologies with something altogether different.
SiFive Secures RISC-V
SiFive recently disclosed its Shield secure-platform architecture, which includes hardware and software as well as provisioning services. Shield’s baseline capabilities are similar to those of Arm’s TrustZone.
BittWare Puts Achronix On Board
A new partnership with BittWare gives Achronix another route to market for its Speedster7t FPGAs. The companies recently announced the VectorPath PCI Express accelerator card based on Speedster7t.
Cornami Right-Sizes Systolic Arrays
After testing FPGA prototypes of its dynamically configurable AI processor, startup Cornami projects its first chip will run ResNet-50 at an incredible 105,000fps while burning only 30W.
Intel’s Tremont: A Bigger Little Core
Tremont is Intel’s newest low-power x86 CPU, boosting IPC by 30%. The new core design will debut in the Lakefield processor—a heterogeneous multicore SoC for thin notebooks and tablets.
Mythic Reveals Data-Flow Architecture
AI startup Mythic revealed more details of its first chip, which performs matrix multiplication in the analog domain. Conventional digital circuits, however, manage data flow and other tasks.
NovuMind Launches Tensor Processor
Startup NovuMind is preparing to tape out a neural-network accelerator that it estimates will deliver 150 trillion operations per second (TOPS) while consuming just 5W, achieving impressive efficiency.
BrainChip Akida Is a Fast Learner
BrainChip has announced a new spiking-neural-network processor called Akida, which it plans to tape out by the end of the year. It also offers Akida’s core as licensable IP.
GrAI Matter Exploits Sparse Video
Grai One is the first chip to implement the NeuronFlow neuromorphic architecture, which can handle spiking neural networks but excels on convolutional models for streaming video.
SiFive U8 Takes RISC-V Out of Order
SiFive has revealed its U8-series, which builds on the 64-bit superscalar U7-series by adding out-of-order (OOO) execution, a first for commercial RISC-V intellectual property. 
i.MX RT1170: Fastest Flashless MCU
NXP’s new i.MX RT1170 combines microcontroller features with high performance. Its 1.0GHz Cortex-M7 is the fastest CPU in its class, and its 400MHz Cortex-M4 coprocessor is also swift for its breed.
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