YTMicro's first high-end domain controller chip HA0x has obtained the ASIL-D functional safety product certification.
On May 21, 2024, Jiangsu Yuntu Microelectronics Co., Ltd. (YTMicro for short) announced that its first high-end domain controller chip, YMT32B1HA0x, from the H series has been officially awarded the ISO 26262 ASIL D functional safety product certification by DEKRA, an independent third-party international authoritative automotive inspection, testing, and certification organization. This is the first automotive-grade MCU product in China to obtain the ASIL-D functional safety product certification.
ASIL-D is the highest level specified by the ISO 26262 "Functional Safety of Road Vehicles" international standard, with the most stringent requirements. The certification of the YTM32B1HA0x with ISO 26262 ASIL-D product certification marks the international recognition of YTMicro's capability in developing functional safety for automotive-grade chips, officially advancing to the international leading level.
YTM32B1H Series Core Technologies and Key Specifications
Main Technical Specifications:
1. Multi-core high-performance ARM Cortex-M7 core, supporting Lockstep, clock speed of 200-400 MHz, with I-Cache and D-Cache, supporting ECC.
2. Equipped with 2-12MB PFlash and 256KB DFlash, both supporting ECC.
3. Supports multi-channel DMA.
4. Independent ADC module, conversion speed of 2 Msps, 12-bit conversion precision, supporting auto-calibration and sequence injection functions.
5. Ethernet interface with TSN support.
6. 8-bit QSPI interface, supporting a 100 Mbps rate.
7. Supports Information Security HSM.
8. High-speed I/O supporting 2.97 V to 5.5 V power supply.
9. Operating temperature range: -40°C to 125°C.
Core Technologies
1. High-Security, High-Efficiency Chip Architecture Design: Based on the ARM Cortex-M7 and ARMv7-M architecture, featuring a six-stage, in-order, dual-issue superscalar pipeline. It includes single-precision and double-precision floating-point units, instruction and data caches, branch prediction, SIMD support, tightly coupled memory, and supports dual-core Lockstep functionality, meeting the needs of high-security and high-performance applications.
2. Dual-Voltage Domain IO Design Technology: By introducing dual-voltage access in the IO loop, this design enables flexible pairing of high-speed and low-speed IOs, providing adaptable IO voltage and varying speed configurations, thus simplifying application design.
3. On-Chip Fault Detection, Collection, and Reporting Technology: An independent safety module is integrated into the chip to detect, collect, and report various faults within the chip. It can generate safety responses at different levels, enhancing the chip's safety and reliability.
4. On-Chip Flexible Information Security Support: From the basic HCU to the full-featured HSM meeting the Evita Full requirements, the chip offers comprehensive support for information security, effectively addressing system-level information security needs.
YTMicro System Construction History
About YTMicro
Jiangsu Yuntu Microelectronics Co., Ltd. (YTMicro for short) is an integrated circuit design company focused on automotive-grade microcontrollers (MCUs). The company aims to provide comprehensive chip solutions for the automotive industry and ensure the innovation of global intelligent mobility technologies. Founded in July 2020, the company is headquartered in Wuxi, with research and development centers and offices in Suzhou, Shanghai, Chongqing, Wuhan, Shenzhen, and other locations. YTMicro has over 140 employees, with more than 70% of its R&D team coming from top-tier international automotive chip companies. This makes YTMicro one of the few domestic companies with a complete team structure, rich R&D experience, and outstanding product capabilities in automotive chip development.
Currently, YTMicro has successfully developed three 32-bit automotive-grade MCU product series with independent intellectual property rights and two dedicated SoC product series. These product series cover five major domains: Body, Cockpit, Chassis, Powertrain, and Autonomous Driving. YTMicro strictly follows the AEC-Q100, ISO-26262 functional safety, and C&S consistency certification development processes and technical standards. The company holds multiple related patents, and its performance indicators are ranked among the best in the industry in China.
About DEKRA
DEKRA has been dedicated to safety for nearly a century. Founded in 1925 as the German Motor Vehicle Inspection Association in Berlin, DEKRA is now a world-renowned third-party professional inspection, testing, and certification organization. In 2022, DEKRA's total revenue was expected to reach nearly 3.7 billion euros, with operations in more than 60 countries and regions across all continents. Over 48,000 employees are committed to providing independent expert services for safety on the road, at work, and at home. These services include vehicle inspections, claims and expert assessments, product testing and certification, industrial inspections, audits, consulting and training, as well as temporary staffing.
In 2025, DEKRA will celebrate its 100th anniversary. Its vision is: "We are committed to becoming the global partner for safety and sustainability in the world." In 2022, DEKRA was once again awarded the EcoVadis Platinum rating, placing it among the top 1% of companies for sustainability.
Sample Request:
The YTM32B1HA0x series products have currently obtained dual certifications (AEC-Q100 certification and ISO 26262 ASIL-D product certification). To request a sample, please email to business@ytmicro.com. For more detailed information, please visit www.ytmicro.com.
