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Efficient 40nm process technology and power-saving innovations minimize energy consumption in all modes
Features Arm® embedded core and advanced cybersecurity, graphics, and peripherals for demanding consumer and industrial applications
Geneva, February 25, 2021 – STMicroelectronics (NYSE: STM), a global semiconductor leader serving customers across the spectrum of electronics applications, has announced a new generation of extreme power-saving microcontrollers (MCUs), the STM32U5 series, to meet the most demanding power/performance requirements for smart applications including wearables, personal medical devices, home automation, and industrial sensors.
The industry-leading STM32 MCUs, built upon the highly energy-efficient Arm
® Cortex
®-M processors, are already in billions of domestic appliances, industrial controls, computer peripherals, communication devices, and equipment managing smart cities and infrastructure.
Read-Modify-Write Core The Read-Modify-Write (RMW) Core from Rambus handles misaligned bursts when an Error Correction Code (ECC) is being used.
An ECC code word must be calculated over an entire data word. Misaligned bursts can have partial data words at the front and back end of the burst. To calculate the correct ECC code word, the Read-Modify-Write Core forms the correct starting and ending data words by reading the existing data words and combining them appropriately with the new partial data words.
The core performs address translation from byte addressing to the 64-bit or 128-bit addressing of the memory devices.
By Shine Chung, Chairman of Attopsemi™ Technology
Abstract:
OTP stands for “One-Time Programmable”, a device that can only be programmed once to store data permanently but ideally read infinite times. Traditionally, testability has been an issue for OTP. Every OTP bit should be programmed to ensure programmability. However, if only a single bit is programmed, the OTP block can no longer be used.
Patented by Attopsemi™, I-fuse™ is a revolutionary non-breaking fuse technology that can be reliably programmed by heat assisted electromigration below a break point. Any cell can be tested as programmable if the initial fuse resistance is low enough (e.g. 400 ohms) to generate enough heat for programming. The program voltage range can be tested and calibrated in a way that program yield can be predicted accurately. In I-fuse™ design, a pseudo-programmed state can be created by applying a low voltage programming during read, called Concurrent Low-Voltage Write Read (CLVWR). B
Consumer DDR5 RAM is coming in 2021
In the hardware world, we’ve gone through generations upon generations of graphics cards and processors, but we’re still rocking the same DDR4 RAM technology that has been in the best gaming PCs for the past six years. Although RAM isn’t the most exciting of topics, the arrival of DDR5 this year should be welcomed, with big performance improvements.
Memory manufacturer TeamGroup has plans to initially release a single 16GB DDR5 stick for consumers with a frequency of 4,800MHz, a big improvement over what we’ve seen in most DDR4 sticks – while Corsair did offer a 5,000MHz 16GB DDR4 kit, it was prohibitively expensive at around $1,000.