SPRUJ28F November 2021 – August 2025 AM68 , AM68A , TDA4AL-Q1 , TDA4VE-Q1 , TDA4VL-Q1
In these schemes, each 512-byte sector of the main area is associated with two sections of the spare area.
Figure 12-107 NAND Page Mapping and ECC: Per-Sector Schemes, With Separate ECC