Abstract: A decoding method, a memory storage device and a memory controlling circuit unit are provided. The method includes: receiving a read command sequence for reading a plurality of bits from the memory cells; calculating a first count value of a first value and a second count value of a second value in the bits; and adjusting a decoding parameter corresponding to the bits to a specific decoding parameter according to the first count value and the second count value, and performing a decoding operation according to the specific decoding parameter, where the adjusted decoding parameter affects a probability that the bits are considered as an error bit in the decoding operation.

Abstract: A valid data merging method, a memory control circuit unit, and a memory storage device are provided. The method includes: obtaining a first system parameter corresponding to a first region and a second system parameter corresponding to a second region; determining whether the first system parameter is greater than the second system parameter; selecting a third physical erasing unit from the second region preferentially and performing a valid data merging operation by using the third physical erasing unit when the first system parameter is greater than the second system parameter; and selecting a fourth physical erasing unit from the first region preferentially and performing the valid data merging operation by using the fourth physical erasing unit when the first system parameter is not greater than the second system parameter.

Abstract: A memory control method is disclosed. The method includes: determining a mode for reading first data in a first management unit as a first mode or a second mode according to a data dispersion degree of the first data; reading the first data from the first management unit according to a physical distribution of the first data if the mode for reading the first data is determined as the first mode; and reading the first data from the first management unit according to a logical distribution of the first data if the mode for reading the first data is determined as the second mode. Furthermore, a memory storage device and a memory control circuit unit are also disclosed.

Abstract: The present invention provides a decoding method, a memory controlling circuit unit, and a memory storage device. The decoding method includes: receiving a plurality of commands; reading a first physical programming unit to obtain a plurality of first data respectively by using a plurality of first reading voltage groups of a plurality of reading voltage groups based on a first read command of the plurality of commands and executing a first decoding operation in each of the plurality of first data, wherein a number of the plurality of first reading voltage groups is less than a number of the plurality of reading voltage groups; and executing other commands being different from the first read command of the plurality of commands when unsuccessfully executing the first decoding operation for each of the plurality of first data.

Abstract: A command transmitting method, a memory control circuit unit and a memory storage device are provided. The method includes: transmitting a plurality of command sequences and a state read command sequence to a memory interface coupled to a rewritable non-volatile memory module; and storing the plurality of command sequences by the memory interface, and transmitting the state read command sequence to the rewritable non-volatile memory module.

Abstract: A clock and data recovery circuit is disclosed. The clock and data recovery circuit includes a phase detection circuit, a first voting circuit, a low-pass filtering circuit and a phase interpolation circuit. The phase detection circuit is configured to receive a first signal and a clock signal and generate a phase signal. The first voting circuit is configured to charge at least one capacitance component according to the phase signal and generate a first voting signal according to a charging result. The low-pass filtering circuit is configured to generate a phase control signal according to the first voting signal. The phase interpolation circuit is configured to generate the clock signal according to the phase control signal.

Abstract: A memory testing method and a memory testing system. The memory testing system includes a host system and a testing device. The host system includes a processor. The testing device is coupled to the host system and a rewritable non-volatile memory module. A first memory controlling circuit unit corresponding to a first type memory storage device in the testing device tests the rewritable non-volatile memory module to obtain first test information. A second memory controlling circuit unit corresponding to a second type memory storage device in the testing device tests the rewritable non-volatile memory module to obtain second test information according to the first test information. The processor determines that whether the rewritable non-volatile memory module is applicable to the second type memory storage device or not according to the first test information and the second test information.

Abstract: A decoding method, a memory storage device and a memory controlling circuit unit are provided. The method includes: receiving a read command sequence for reading a plurality of bits from the memory cells; calculating a first count value of a first value and a second count value of a second value in the bits; and adjusting a decoding parameter corresponding to the bits to a specific decoding parameter according to the first count value and the second count value, and performing a decoding operation according to the specific decoding parameter, where the adjusted decoding parameter affects a probability that the bits are considered as an error bit in the decoding operation.

Abstract: A data transfer method is disclosed, and includes: instructing a first memory storage device to disable a data encryption function activated by default; and sending a write command to the first memory storage device under a status that the data encryption function of the first memory storage device is disabled. The write command instructs a storing of encryption information of encrypted data to the first memory storage device. The encryption information is not generated by the first memory storage device and is unreadable by a normal read command.

Abstract: A data erasing method, a memory control circuit unit and a memory storage device are provided. The method includes selecting a first physical erasing unit group from a plurality of physical erasing unit groups, and performing an erase operation to the first physical erasing unit group, wherein the first physical erasing unit group includes a plurality of first physical erasing units, and the number of at least one second physical erasing unit used to perform the erasing operation at the same time point of the plurality of first physical erasing units is different from the number of the plurality of first physical erasing units.

Abstract: A clock and data recovery circuit is disclosed. The clock and data recovery circuit includes a phase detection circuit, a first voting circuit, a low-pass filtering circuit and a phase interpolation circuit. The phase detection circuit is configured to receive a first signal and a clock signal and generate a phase signal. The first voting circuit is configured to charge at least one capacitance component according to the phase signal and generate a first voting signal according to a charging result. The low-pass filtering circuit is configured to generate a phase control signal according to the first voting signal. The phase interpolation circuit is configured to generate the clock signal according to the phase control signal.

Abstract: A management method for managing a memory storage device compatible with a PCIe (PCI Express) standard is disclosed. The memory storage device has a plurality of pins configured to couple to a host system. The management method includes: transmitting a first command to the memory storage device through at least one first pin among the pins to control the memory storage device to enter a target link status; and when the memory storage device is in the target link status, transmitting a second command to the memory storage device through a second pin among the pins to control the memory storage device to leave the target link status. The second pin is not a pin dedicated to control the memory storage device to enter or leave the target link status.

Abstract: A memory control method for a rewritable non-volatile memory module is provided according to an exemplary embodiment of the disclosure. The method includes: sending a first read command sequence which indicates a reading of a first physical unit by using a first read voltage level to obtain first data; decoding the first data; sending a second read command sequence which indicates a reading of the first physical unit by using a second read voltage level to obtain second data; decoding the second data with assistance information to improve a decoding success rate of the second data if the second read voltage level meets a first condition or the second data meets a second condition; and decoding the second data without the assistance information if the second read voltage level does not meet the first condition and the second data does not meet the second condition.

Abstract: A clock and data recovery circuit, a memory storage device and a signal adjustment method are disclosed. The method includes: detecting a phase difference between a first signal and a clock signal; generating a vote signal according to the phase difference and a first clock frequency; sequentially outputting a plurality of adjustment signals according to the vote signal and a second clock frequency, wherein the first clock frequency is different from the second clock frequency; and generating the clock signal according to the sequentially output adjustment signals.

Abstract: A data writing method, a memory control circuit unit and a memory storage apparatus are provided. The method includes: receiving first data and second data from a host system; generating a first array error correcting code based on the first data, and generating a second array error correcting code based on the second data; programming a first group including the first array error correcting code into a first chip enable group by using a first programming mode; and programming a second group including the second array error correcting code into a second chip enable group by using a second programming mode.

Abstract: A data arrangement method, a memory storage device and a memory control circuit unit are provided. The data arrangement method includes: receiving a command from a host, and the command includes a data range; calculating a data disarranged degree according to a logical estimated value of a plurality of logical block addresses of the data range and a physical estimated value of a plurality of physical erasing units mapped to the plurality of logical block addresses of the data range; and determining whether to perform a data arrangement operation according to the data disarranged degree and a threshold to move data in the plurality of physical erasing units according to the plurality of logical block addresses.

Abstract: A clock and data recovery circuit, a memory storage device and a signal adjustment method are disclosed. The method includes: detecting a phase difference between a first signal and a clock signal; generating a vote signal according to the phase difference and a first clock frequency; sequentially outputting a plurality of adjustment signals according to the vote signal and a second clock frequency, wherein the first clock frequency is different from the second clock frequency; and generating the clock signal according to the sequentially output adjustment signals.

Abstract: A memory storage system is provided according to an exemplary embodiment of the disclosure. The memory storage system includes a host system and a memory storage device. In a first handshake operation, the memory storage device transmits first encrypted information corresponding to first authentication information to the host system, and the host system transmits second encrypted information corresponding to the first authentication information to the memory storage device. In a second handshake operation, the memory storage device transmits third encrypted information corresponding to second authentication information to the host system, and the host system transmits fourth encrypted information corresponding to third authentication information to the memory storage device based on the third encrypted information. The third authentication information is configured to encrypt data transmitted between the host system and the memory storage device in a developer command transmission stage.

Abstract: A temperature control method is provided according to an exemplary embodiment of the invention. The method includes: sensing a temperature by a temperature sensor and obtaining a temperature value; performing a cooling-down operation based on a first cooling-down level and updating a level parameter to a first level parameter if the temperature value reaches a first threshold value; and performing the cooling-down operation based on a second cooling-down level according to the first level parameter and updating the level parameter to a second level parameter if the temperature value is not less than the first threshold value during a first time range after the cooling-down operation based on the first cooling-down level is performed, and a cooling-down ability of the cooling-down operation performed based on the second cooling-down level is higher than a cooling-down ability of the cooling-down operation performed based on the first cooling-down level.

Abstract: A signal generation circuit is disclosed according to an embodiment of the invention. The signal generation circuit includes a phase control circuit, a bias control circuit and a phase interpolation circuit. The phase control circuit is configured to generate a phase control signal according to a phase adjustment signal. The bias control circuit is configured to generate a bias voltage according to the phase control signal. The phase interpolation circuit is configured to generate a clock signal according to the phase control signal and the bias voltage. The bias voltage is used to adjust a current of the phase interpolation circuit to correct an error of the clock signal.