How certain speed switch instances can lead to data corruption in Universal Flash Storage, and solutions to the issue.
The JEDEC Universal Flash Storage (UFS) has emerged as the default mobile storage solution for high-end smartphones and battery-operated devices, owing to its superior speed, performance, and power efficiency. These attributes are essential to meet users’ demand for rapid transmission and reception of high-resolution media amid myriad operations. Despite these advantages, UFS’s use of the MIPI M-PHY and UniPro specifications introduces complex link speed switching with minimal configuration time.
The UFS standard extensively employs the Power Mode Change (PMC) process to regulate M-PHY link speeds for optimal performance during data transfer. The process designates a specific time, PA_SaveConfigTime, for speed switches. Certain implementations might exceed this time, leading to data corruption as the M-PHY receiver fails to decode incoming data correctly. This paper proposes a mechanism to address this situation.
To delve deeper into these processes and uncover the proposed solution, we encourage you to explore the full white paper. Together, let’s optimize the performance of UFS. Read on to expand your knowledge and contribute your innovative solutions. Read on understand the intricacies of this process and discover the proposed mechanism to tackle this challenge.
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