Product profile：
TW2981 Is a memory card controller compatible with SD5.1 protocol, it is based on advanced process, significantly improve the read and write performance of the memory card, dynamic power consumption and static power consumption can meet the stringent requirements of products on the market. It supports flexible online upgrade of internal firmware, powerful ECC error correction algorithm, unique algorithm coprocessor, efficient flash management algorithm, so as to widely support the market of Changjiang storage, Samsung, armor, Hynix, magnesium, Sandex and other flash memory original 2x / 1 xnm process of SL C/MLC / TLC flash memory and 32 / 64 / 72 / 96 / 128 layer 3 DMLC / TLC / QLC flash memory. It supports the latest 2.5 V VCC/1.2V VCCQ flash memory without the addition of peripheral devices.
functional characteristics:
● Support for SD5.1 standard protocol, downward compatible with SD4.1, SD3.0, SD2.0, SD1.1, SD1.01 and other protocols.
● The SD interface clock reaches to 208 MHz and supports UHS-I bus mode SDR50 / SDR104 / DDR 50.
● The SD interface supports x1, x4 data bit width.
● Support for the SPI mode.
● Support for C8, C10, U1, U3, and V30 speed class.
● Support for user customization.
● Support Changjiang storage, Samsung, Kaixia, Hynix, magnesium, flash and other original 2x, 1 xnm processes and 32 / 64 / 72 / 96 / 128 layer 3 DMLC / TLC / QLC flash memory.
● Support 16 KB page 2 plan and 8 KB page 4 plan high-speed SL C/MLC / TLC / QLC flash memory.
● Support for high-speed ONFI and Toggle DDR flash memory ports.
● Support the single-channel 2CE 8bits flash memory interface.
● Support for 3.3V/1.8V/1.2V VCCQ and 3.3V/2.5V VCC flash memory.
● Built-in 7 xbit / 1KB ECC error correction algorithm.
● Built-in acceleration algorithm coprocessor.
● Efficient bad block management, wear balance algorithm, improve the service life of flash memory.
● Support the serial port debugging interface, shorten the program development cycle.
● Built-in low voltage detection module to ensure the data stability during accidental power failure.
● Built-in 2.5V/1.8V/1.2V power management module.