CN219143810U

CN219143810U - SPD (single-sided digital video recorder) burning device of DDR5 memory bank

Info

Publication number: CN219143810U
Application number: CN202320055140.3U
Authority: CN
Inventors: 黄坚; 黄秋容
Original assignee: Nanning Taike Semiconductor Co ltd
Current assignee: Nanning Taike Semiconductor Co ltd
Priority date: 2023-01-09
Filing date: 2023-01-09
Publication date: 2023-06-06
Anticipated expiration: 2033-01-09

Abstract

The utility model discloses an SPD burning device of DDR5 memory stick, comprising: the device comprises a connector, a first key module, a second key module, a main control module, a SPIFASH chip, an RDIMM memory slot and a UDIMM memory slot; the connector is connected with the main control module, and the main control module is connected with the SPI FLASH chip; the first key module, the main control module and the RDIMM memory slot are sequentially connected; the second key module, the main control module and the UDIMM memory bank slot are sequentially connected. According to the utility model, SDP files corresponding to DDR5 memory banks are pre-stored into an SPI FLASH chip by taking the connector as a communication interface, and then the corresponding SDP files are controlled by a main control module to be respectively burnt into DDR5RDIMM memory banks and DDR5URDIMM memory banks on the RDIMM memory bank slot and the UDIMM memory bank slot, so that the SPD burning function can be realized on the two DDR5 memory banks independently or simultaneously.

Description

SPD (single-sided digital video recorder) burning device of DDR5 memory bank

Technical Field

The utility model relates to the technical field of memory bank burning, in particular to an SPD burning device of DDR5 memory banks.

Background

SPD is called SERIAL PRESENCE DETECT (serial detection of module presence), which is the checking of information of module presence in a memory slot by EEPROM (electrically erasable programmable read Only memory) of IIC serial interface. The related industry stipulates that the SPD file of the DDR5 memory bank is 1024KByte, the SPD file contains important parameters such as the time sequence, capacity, working voltage, frequency, manufacturer, RCD clock address driving strength and the like of the memory bank chip, the DDR5 memory bank SPD burning device can burn the SPD binary file into the SPD chip of the DDR5 memory module, and the CPU can read the SPD file to initialize and configure the memory through the I2C bus when being started, so that the performance of the memory bank can be fully exerted.

In the related technology, the DDR4 memory writer of the existing memory programmer is used together with a PC end and corresponding operation software every time the DDR4 memory bank is burnt, and is used by a single off-network machine, so that interaction with a production system is not performed; yet another technique is the Eureka2933DDR42933MHz Memory Tester (DDR 4 memory tester), which also has to be used with a PC side and corresponding operating software each time, and the device cannot implement the SPD burning function without the PC side. Both the above technologies can only realize the burning of the DDR4 SPD file, but cannot realize the burning of the DDR5SPD file, and in the future development, the DDR5 memory bank has huge market scale and requirements, and the development of the DDR5SPD burner is urgent.

Disclosure of Invention

The utility model aims to provide an SPD (device for writing an SPD file) of a DDR5 memory bank, which aims to solve the problem of how to realize the SPD file writing of the DDR5 memory bank.

In order to solve the technical problems, the aim of the utility model is realized by the following technical scheme: provided is an SPD (device for programming) of DDR5 memory chips, comprising: the device comprises a connector, a first key module, a second key module, a main control module, an SPI FLASH chip, an RDIMM memory bank slot and a UDIMM memory bank slot;

the connector is connected with the main control module, and the main control module is connected with the SPI FLASH chip;

the first key module, the main control module and the RDIMM memory slot are sequentially connected;

the second key module, the main control module and the UDIMM memory bank slot are sequentially connected.

Further, the SPD burning device of the DDR5 memory stick is characterized by further comprising a PC end and a code scanning gun, wherein the code scanning gun is connected with the PC end and is used for scanning the memory card bar code to be burned.

Further, the SPD burning device of the DDR5 memory bank further comprises a first relay and a second relay; the main control module is respectively connected with the first relay and the second relay, and the first relay and the second relay are respectively connected with the RDIMM memory slot and the UDIMM memory slot.

Further, the SPD burning device of the DDR5 memory chip further comprises a low voltage drop voltage stabilizer, and the connector is respectively connected with the main control module, the SPI FLASH chip, the first relay and the second relay through the low voltage drop voltage stabilizer.

Further, the output voltage of the low dropout voltage regulator is 3.3V.

Further, the SPD burning device of the DDR5 memory stick is characterized by further comprising a signal conversion chip; the PC end, the connector, the signal conversion chip and the main control module are sequentially connected.

Further, the SPD burning device of the DDR5 memory chip further comprises a UART bus, and the signal conversion chip and the main control module are connected through the UART bus.

Further, the SPD burning device of the DDR5 memory bank further comprises an operation interface module, wherein the operation interface module is connected with the PC terminal.

Further, the SPD burning device of the DDR5 memory stick further comprises an MES system module, wherein the MES system module is connected with the PC terminal.

The embodiment of the utility model provides an SPD burning device of DDR5 memory stick, comprising: the device comprises a connector, a first key module, a second key module, a main control module, an SPI FLASH chip, an RDIMM memory bank slot and a UDIMM memory bank slot; the connector is connected with the main control module, and the main control module is connected with the SPI FLASH chip; the first key module, the main control module and the RDIMM memory slot are sequentially connected; the second key module, the main control module and the UDIMM memory bank slot are sequentially connected. According to the embodiment of the utility model, SDP files corresponding to DDR5 memory chips are pre-stored into the SPI FLASH chip through the connector serving as a communication interface, and then the corresponding SDP files are controlled by the main control module to be respectively burnt into the DDR5RDIMM memory chips and the DDR5URDIMM memory chips on the RDIMM memory chip slot and the UDIMM memory chip slot, so that the SPD burning function can be realized on the two DDR5 memory chips independently or simultaneously.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic diagram of an SPD burning device for a DDR5 memory chip according to an embodiment of the present utility model.

The figure identifies the description:

1. a connector; 2. the first key module; 3. the second key module; 4. a main control module; 5. SPI FLASH chip; 6. RDIMM memory slot; 7. a UDIMM memory bank slot; 8. a PC end; 9. a code scanning gun; 10. a first relay; 11. a second relay; 12. a low dropout voltage regulator; 13. a signal conversion chip; 14. an operation interface module; 15. and a MES system module.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be understood that the terms "comprises" and "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

It is also to be understood that the terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be further understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.

Referring to fig. 1, an embodiment of the present utility model provides an SPD writing device for a DDR5 memory chip, comprising: the connector 1, the first key module 2, the second key module 3, the main control module 4, the SPI FLASH chip 5, the RDIMM memory bank slot 6 and the UDIMM memory bank slot 7;

the connector 1 is connected with the main control module 4, and the main control module 4 is connected with the SPI FLASH chip 5;

the first key module 2, the main control module 4 and the RDIMM memory stripe slot 6 are connected in sequence;

the second key module 3, the main control module 4 and the UDIMM memory bank slot 7 are sequentially connected.

All the components in the embodiment can be integrated to form a burning jig, and the connector 1 can adopt the USB connector 1 as a communication interface to realize the input of data and power supply; the main control module 4 can adopt an MCU chip as a control chip of the whole burning process, the SPI FLASH chip 5 is used as a storage chip of SPD files of DDR5 memory strips, and SDP files required by burning and sent by the external PC end 8 can be received and stored through the connector 1 so as to realize the subsequent off-line burning function.

The manner in which the SPI FLASH chip 5 stores SDP files required for burning may be: starting the first key module 2, outputting a first low-level signal to the main control module 4, and after the main control module 4 receives the first low-level signal, storing the SPD file of the corresponding DDR5RDIMM memory bank sent by the PC end 8 into the SPI FLASH chip 5; similarly, the second key module 3 is started, a second low-level signal is output to the main control module 4, after the main control module 4 receives the second low-level signal, SPD files corresponding to DDR5UDIMM memory banks sent by the PC end 8 are stored in the SPI FLASH chip 5, namely, the required SPD files are only required to be burned once through the PC end 8 to be stored in the SPI FLASH chip 5, and then the burning of the SPD files can be independently carried out through the burning jig, so that the operation is simple, and the limitation of sites and equipment is avoided.

The burning process of the DDR5RDIMM memory bank of the embodiment is as follows: after the DDR5RDIMM memory strip to be burned is inserted into the RDIMM memory strip slot 6, a burning instruction is issued through the PC end 8, and after receiving the burning instruction, the main control module 4 reads the SPD file of the corresponding DDR5RDIMM memory strip stored in the SPI FLASH chip 5 and burns the SPD file to the DDR5RDIMM memory strip on the RDIMM memory strip slot 6, so that the burning process of the DDR5RDIMM memory strip can be realized.

The burning process of the DDR5UDIMM memory bank of the embodiment is as follows: after the DDR5RDIMM memory strip to be burned is inserted into the UDIMM memory strip slot 7, a burning instruction is issued through the PC end 8, and after receiving the burning instruction, the main control module 4 reads the SPD file of the corresponding DDR5UDIMM memory strip stored in the SPI FLASH chip 5 and burns the SPD file to the DDR5UDIMM memory strip on the UDIMM memory strip slot 7, so that the burning process of the DDR5UDIMM memory strip can be realized.

The burning jig of the embodiment integrates two kinds of burning of DDR5RDIMM memory chips and DDR5 DIMM memory chips, and has the advantages of multiple types, high efficiency and high accuracy.

In an embodiment, the SPD burning device of the DDR5 memory chip further includes a PC terminal 8 and a code scanning gun 9, where the code scanning gun 9 is connected to the PC terminal 8, and the code scanning gun 9 is used for scanning the bar code of the memory card to be burned.

The present embodiment more specifically describes the process of burning the memory bank (i.e., the above-mentioned DDR5RDIMM memory bank or DDR5UDIMM memory bank): after the memory bank is inserted into the slot (i.e. the above-mentioned RDIMM memory bank slot 6 or UDIMM memory bank slot 7), the scan gun 9 scans the SN code on the memory bank, and then automatically triggers the PC terminal 8 to send a burning command to the main control module 4, and the main control module 4 controls the relevant burning element to execute the burning operation.

In one embodiment, the SPD burning device of the DDR5 memory chip further includes a first relay 10 and a second relay 11; the main control module 4 is respectively connected with the first relay 10 and the second relay 11, and the first relay 10 and the second relay 11 are respectively connected with the RDIMM memory bank slot 6 and the UDIMM memory bank slot 7.

In the burning process of this embodiment, the first relay 10 and the second relay 11 are both used for controlling voltage output and closing, when the burning starts, the main control module 4 controls the first relay 10 and the second relay 11 to output voltage to the RDIMM memory bank slot 6 and the udim memory bank slot 7 so as to provide voltage required by the memory bank burning, when the burning ends, the main control module 4 controls the first relay 10 and the second relay 11 to close the voltage, after the burning is completed, the main control module 4 does not need to disconnect the total power supply, and can directly pull out the memory bank after the burning and insert the next memory bank for the burning.

In an embodiment, the SPD writing device of the DDR5 memory chip further includes a low voltage drop regulator 12, and the connector 1 is connected to the signal conversion chip 13, the main control module 4, the SPI FLASH chip 5, the first relay 10, and the second relay 11 through the low voltage drop regulator 12, respectively.

The burning tool of this embodiment can be connected to the power supply through the connector 1, specifically can be connected to the connector 1 through the USB port by the PC end 8 to provide voltage, of course, can also be provided by other external power sources, the voltage that the connector 1 is connected to may be 5V or other voltage, and the voltage required by the burning operation of this embodiment is 3.3V, so the low dropout regulator 12 (LDO) is provided to reduce the input voltage, that is, the voltage that the connector 1 is connected to is reduced to 3.3V through the low dropout regulator 12 before being passed through other burning elements, so as to ensure the stability of the whole burning process.

In one embodiment, the SPD burning device of the DDR5 memory chip further comprises a signal conversion chip 13; the PC end 8, the connector 1, the signal conversion chip 13 and the main control module 4 are sequentially connected.

In this embodiment, the PC end 8 generally adopts a USB interface to transmit data and power, and the main control module 4 does not have a USB bus interface and needs to perform signal conversion, so a signal conversion chip 13 is provided, and the signal conversion chip 13 may adopt a CH340G chip, so as to realize that after USB signals are sent out through the PC end 8, the signals are converted after sequentially passing through the connector 1 and the signal conversion chip 13, and then reach the main control module 4, thereby realizing communication between the PC end 8 and the main control module 4.

In some specific signal conversion modes, the USB interface of the PC end 8 is connected with the connector 1 through a USB bus, the connector 1 is connected with the signal conversion chip 13 through the USB bus, and the signal conversion chip 13 is connected with the main control module 4 through a UART bus; thus, the signal conversion chip 13 converts the USB signal into the UART signal, so that the communication between the PC end 8 and the main control module 4 can be realized.

In one embodiment, the SPD burning device of the DDR5 memory chip further includes an operation interface module 14, where the operation interface module 14 is connected to the PC terminal 8; the user can execute the instruction of the PC side 8 on the operation interface module 14 to implement the corresponding operation.

In an embodiment, the SPD writing device of the DDR5 memory stick further includes an MES system module 15, where the MES system module 15 is connected to the PC end 8, and the MES system module 15 can record writing data, and can subsequently search corresponding writing data by scanning a memory card or inputting a work order number, and if there is a memory stick missing an SPD file, the memory stick can be sorted out and sent to the writing station again; in addition, foolproof can be performed, the same work order and the memory bank of the same SN can not be burned for the second time.

While the utility model has been described with reference to certain preferred embodiments, it will be understood by those skilled in the art that various changes and substitutions of equivalents may be made and equivalents will be apparent to those skilled in the art without departing from the scope of the utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims

1. An SPD burning device of a DDR5 memory chip, comprising: the device comprises a connector, a first key module, a second key module, a main control module, a SPIFASH chip, an RDIMM memory slot and a UDIMM memory slot;

the connector is connected with the main control module, and the main control module is connected with the SPIFASH chip;

2. The SPD burning device of the DDR5 memory stick according to claim 1, further comprising a PC end and a code scanning gun, wherein the code scanning gun is connected with the PC end, and the code scanning gun is used for scanning a memory card bar code to be burned.

3. The SPD burning device of a DDR5 memory stick of claim 1, further comprising a first relay and a second relay; the main control module is respectively connected with the first relay and the second relay, and the first relay and the second relay are respectively connected with the RDIMM memory slot and the UDIMM memory slot.

4. The SPD burning device of claim 3, further comprising a low voltage drop regulator, wherein the connector is connected to the main control module, the spiglash chip, the first relay, and the second relay, respectively, through the low voltage drop regulator.

5. The SPD burning device of a DDR5 memory chip of claim 4, wherein: the output voltage of the low-dropout voltage regulator is 3.3V.

6. The SPD burning device of a DDR5 memory stick according to claim 2, further comprising a signal conversion chip; the PC end, the connector, the signal conversion chip and the main control module are sequentially connected.

7. The SPD burning device of the DDR5 memory stick according to claim 6, further comprising a USB bus through which the connector and the signal conversion chip are connected.

8. The SPD burning device of the DDR5 memory chip according to claim 7, further comprising a UART bus, wherein the signal conversion chip and the master control module are connected through the UART bus.

9. The SPD burning device of the DDR5 memory stick according to claim 2, further comprising an operation interface module, wherein the operation interface module is connected with the PC terminal.

10. The SPD burning device of claim 2, further comprising an MES system module, wherein the MES system module is connected to the PC side.