CN100410890C - Device for producing specific signal code form and its producing method - Google Patents
Device for producing specific signal code form and its producing method Download PDFInfo
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- CN100410890C CN100410890C CNB2006100726574A CN200610072657A CN100410890C CN 100410890 C CN100410890 C CN 100410890C CN B2006100726574 A CNB2006100726574 A CN B2006100726574A CN 200610072657 A CN200610072657 A CN 200610072657A CN 100410890 C CN100410890 C CN 100410890C
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Abstract
A method for generating specific signal code-pattern includes entering data storage unit into a test mode, using function key to select a specific test signal code-pattern for transmission, transmitting said specific test signal code-pattern under preset conditions, commanding said data storage unit to leave from said test mode and in addition setting specific test signal code-pattern to be in accordance with signal code-pattern for transmitting interface industrial specification.
Description
Technical field
The invention relates to the generation of test signal sign indicating number type, and particularly relevant for a kind of device and production method thereof that can produce signal specific sign indicating number type.
Background technology
In order to make the data storage device product that stable signal transmission performance can be arranged, its employed transmission interface industrial specification has all been stipulated some method of testings or testing process, by transmission and the reception of test data storage device for some signal specific sign indicating number type, it is errorless to confirm its work with the design phase before volume production.
For example, based in the computer system to the demand of high-speed transfer and signal stabilization, and for the attention of heat dissipation design, rank technical battery connection interface (Serial Advanced Technology bus Attachment Interface is advanced in serial, SATA Interface) begins gradually to replace before to be widely used in and advance rank technical battery connection interface (Parallel AdvancedTechnology bus Attachment Interface side by side in the computer system, PATA Interface), become the main flow interface of following electronic installation and data storage device data transmission.The signal hop of SATA interface mainly is made up of seven bars transmission lines, wherein comprise one group and transmit data signal line (TX+ and TX-), a group of received data signal line (RX+ and RX-) and three ground wires (GND), every group of data signal line is made of pair of differential signal wire (Differential Pair) respectively, by with differential mode data transmission signal, can make the SATA interface have the noise resisting ability of height, and then can obtain higher data rate with lower operating voltage.
Because the data signal line of SATA interface can be with the low voltage signal work of 0.25V (single-ended differential voltage), and must bear may be up to the data rate of 150MB/s, so signal transmitting quality in order to ensure the SATA interface, and the compatibility between the SATA device, the design phase that is installed on of utilization SATA interface must be by measuring various specific signal sign indicating number types (signal pattern), to verify whether its SATA function meets the regulation of SATA industrial specification, therefore, also stipulated the built-in self-test pattern that some SATA devices need be supported in the SATA industry standard, comprise the long-range back coupling pattern of a built-in self-test (Built-In Self-TestThe Far-End Retimed Loopback Mode, BIST L) with a built-in self-test teletransmission pattern (Built-In Self-Test The Far-EndTransmit Mode, BIST T Mode), wherein when BIST L pattern, the SATA device can return the signal code type of a correspondence when receiving the signal code type of teletransmission; And when BIST T pattern, the SATA device then can transmit a specific signal sign indicating number type.
See also Fig. 1, Fig. 1 is for the known synoptic diagram that utilizes main frame to set SATA device built-in self-test pattern is described, be known in when utilizing the built-in self-test pattern that SATA device 106 carries out being supported, need earlier SATA device 106 to be connected with a main frame 102, and utilize main frame to carry out a SATA set of tools (SATA Tool Kit) 104 softwares to set the test signal sign indicating number type that next SATA device 106 will transmit.Please consult Fig. 2 A and Fig. 2 B again, utilize the oscillograph test to support the SATA device of BIST T pattern and BISTL pattern in order to explanation respectively.Shown in Fig. 2 A, if will test at the SATA device 204 of supporting the BISTT pattern, must utilize main frame 102 and SATA set of tools 104 to set the test signal sign indicating number type that SATA device 204 will transmit earlier, again the signal transmssion line of SATA device 204 to be tested is pulled down and is connected with oscillograph 202 from main frame 102, can detect the signal code type that SATA devices 204 are transmitted by oscillograph 202; Shown in Fig. 2 B, if will test at the SATA device 206 of supporting BIST L pattern, must utilize main frame 102 and SATA set of tools 104 to set the test signal sign indicating number type that SATA device 206 will transmit earlier, again the signal transmssion line of SATA device 206 to be tested is pulled down and is connected with oscillograph 202 from main frame 102, again another one is connected with SATA device 206 through the SATA device 204 that main frame 102 and SATA set of tools 104 set the support BIST T pattern of finishing, can utilize the SATA device of BIST T pattern to transmit SATA device 206 that appropriate signals sign indicating number type gives BIST L triggering the back coupling pattern, and then detect the signal code type that SATA devices 206 are transmitted by oscillograph 202.
Because regulation has multiple different test signal sign indicating number type in the SATA industrial specification, for example, includes: PRBS signal code type, the actual use situation of coming simulator with artificial random signal; K28.5 signal code type is used for doing the test of signal post neat (Alignment); HFTP signal code type is used for abominable signal (worst-case) test of emulation high frequency; Also having ComInit signal code type and ComWake signal code type then is SATA host side and the affirmation signal of device end before communication; Numerous, test finishes if desire one by one, and the user also needs constantly to repeat Fig. 1 and action shown in Figure 2, inconvenience very consuming time.
Summary of the invention
The objective of the invention is to, a kind of device and production method thereof that produces signal specific sign indicating number type is provided, it can effectively overcome above-mentioned shortcoming.
Therefore, the present invention proposes a kind of device that produces signal specific sign indicating number type, comprises a microprocessor, a data storage medium, a transmission interface controller, a transmission interface connector and a function key.This data storage medium is used for this microprocessor access data, this transmission interface controller is to be electrically connected to this microprocessor, this transmission interface connector is then in order to provide an electronic installation to be connected with the device of this generation signal specific sign indicating number type, this transmission interface connector is to be electrically connected to this transmission interface controller, so that this electronic installation must pass through the data in this microprocessor, this transmission interface connector and this this data storage medium of transmission interface controller access; In addition, this function key is to be electrically connected to this microprocessor, optionally operates in a test pattern with the device of controlling this generation signal specific sign indicating number type.When the device of this generation signal specific sign indicating number type optionally operated in this test pattern, the device of this generation signal specific sign indicating number type can be exported a signal specific sign indicating number type by this transmission interface connector.
In an embodiment, this transmission interface controller is to meet a transmission interface controller of advancing rank technical battery connection interface industrial specification side by side, and this transmission interface connector is to meet a transmission interface connector that advances rank technical battery connection interface industrial specification side by side; In another embodiment, this transmission interface controller is the transmission interface controller that meets a string rank technical battery connection interface industrial specification of advancing, and this transmission interface connector is the transmission interface connector that meets a string rank technical battery connection interface industrial specification of advancing.This transmission interface controller is more supported a long-range back coupling pattern of a built-in self-test or a built-in self-test teletransmission pattern.
The present invention also proposes a kind of method that produces signal specific sign indicating number type, be applicable in the data storage device, its method at first makes this data storage device enter a test pattern, utilize the selected particular test signal sign indicating number type of a function key for transmission again, then under predetermined condition, transmit this particular test signal sign indicating number type, make this data storage device leave this test pattern at last again, wherein this particular test signal sign indicating number type is the signal code type that meets a transmission interface industrial specification.
According to above-mentioned conception, in an embodiment, this transmission interface controller is to meet a transmission interface controller of advancing rank technical battery connection interface industrial specification side by side, and this transmission interface connector is to meet a transmission interface connector that advances rank technical battery connection interface industrial specification side by side; In another embodiment, this transmission interface controller is the transmission interface controller that meets a string rank technical battery connection interface industrial specification of advancing, and this transmission interface connector is the transmission interface connector that meets a string rank technical battery connection interface industrial specification of advancing.
In an embodiment, further be detected in the continuous compression number that this function key is pressed in the schedule time when wherein utilizing this function key to select this particular test signal sign indicating number type, and according to selected this particular test signal sign indicating number type of this continuous compression number.For example, when this transmission interface industrial specification is to advance during rank technical battery connection interface industrial specification definable for a string: when this continuous compression number for once, selected PRBS signal code type is this particular test signal sign indicating number type; When this continuous compression number is a secondary, selected K28.5 signal code type is this particular test signal sign indicating number type; When this continuous compression number is three times, selected HFTP signal code type is this particular test signal sign indicating number type; When this continuous compression number is four times, selected ComInit signal code type is this particular test signal sign indicating number type; And ought this continuous compression number be five times, selected ComWake signal code type is this particular test signal sign indicating number type.
In an embodiment, whether make this data storage device leave this test pattern can be pressed according to being detected in this function key, when this function key is pressed, makes this data storage device leave this test pattern and enter a standby or reset this data storage device.In addition, more can utilize the state of a diode displaying this data storage device operation under this test pattern at present.
Description of drawings
In order to make the auditor can further understand feature of the present invention and technology contents, see also following about detailed description of the present invention and accompanying drawing, yet appended accompanying drawing only provide with reference to and the explanation usefulness, be not to be used for the present invention is limited, wherein:
Fig. 1 is a synoptic diagram, sets SATA device built-in self-test pattern in order to the known main frame that utilizes to be described
Fig. 2 A is a synoptic diagram, utilizes the oscillograph test to support the SATA device of BIST T pattern in order to explanation;
Fig. 2 B is a synoptic diagram, utilizes the oscillograph test to support the SATA device of BIST L pattern in order to explanation;
Fig. 3 is a calcspar, in order to illustrate the SATA device that a support produces the signal code type;
Fig. 4 is a process flow diagram, produces the method for signal specific sign indicating number type in order to explanation;
Fig. 5 A is a synoptic diagram, utilizes the oscillograph test to support to produce the SATA device of signal specific sign indicating number type in order to explanation;
Fig. 5 B is a synoptic diagram, and the SATA device that utilize to support produces signal specific sign indicating number type in order to explanation is as test signal sign indicating number type generator and utilize the oscillograph test to support the SATA device of BIST L pattern.
Embodiment
See also Fig. 3, it is to be a calcspar, illustrate the data storage device 300 of supporting to produce the signal code type in order to one, this device 300 is to be a SATA data storage device, comprise a microprocessor 302, an internal memory 304, a transmission interface controller (for example being a SATA controller) 308 and one data storage medium 306, this internal memory 304 is to be electrically connected to this microprocessor 302, make this microprocessor 302 can carry out the stored program code of this internal memory 304, or the usefulness of temporary data when utilizing this internal memory 304 as microprocessor 302 executive routine codes; In addition, this microprocessor 302 can control data Storage Media 306 and access data wherein.This transmission interface controller 308 is except that being connected to a transmission interface connector (for example being a SATA connector) 312, also be electrically connected to this microprocessor 302, so that this microprocessor 302 can be by meeting the transmission interface industrial specification transmission interface interface and other device of regulation carry out the data exchange, make the electronic installations such as main frame that connect SATA connector 312 can pass through SATA interface access data storage medium 306, or by the selected signal code type of these transmission interface connector 312 outputs.In addition, this device can also comprise a function key 310 and a light emitting diode (LED) 314, this function key 310 is to be electrically connected to this microprocessor 302, optionally operate in a test pattern with control SATA data storage device 300, LED then can be according to the state of the present SATA data storage device 300 of the indicated number of microprocessor 302.
Please consult Fig. 4 again, it is to be a process flow diagram, produces the method for signal specific sign indicating number type in order to explanation.Here be example with the CD-ROM drive of supporting the SATA interface, at first, this SATA CD-ROM drive is after power supply activates or resets, its microprocessor can be finished a series of active programs and enter an armed state, and shown in step 402, this moment, microprocessor can be carried out a main circulating program code, whether there is need of work to carry out to monitor constantly, wherein comprise monitoring and whether need to enter test pattern, in shown in the step 404, to produce signal specific sign indicating number type.For example shown in the 3rd figure, the user is able to by the function key 310 that triggers SATA device 300, make microprocessor 302 can judge whether to enter test pattern, with the SATA CD-ROM drive is example, can specify the sheet key that moves back on the original SATA CD-ROM drive to take on role as the described function key of Fig. 3, if the sheet key that moves back that the user continues to push on the SATA CD-ROM drive surpasses five seconds or other schedule time, microprocessor 302 can judge that just this moment, the SATA CD-ROM drive must enter test pattern, and after entering test pattern, the SATA CD-ROM drive can also be represented the state of present SATA CD-ROM drive by the LED cresset, for example can Fast transforms LED cresset color or flicker entered test pattern with the present SATA CD-ROM drive of prompting user; Otherwise whether microprocessor 302 continues monitoring needs to enter test pattern.
After SATA device 300 enters test pattern, the user can further select the test signal sign indicating number type that will produce in step 406, SATA device 300 can utilize and be detected in the number of times that this function key 310 is pushed continuously in the schedule time, decide selected test signal sign indicating number type, for example push continuously in two seconds and move back the sheet key once, the selected PRBS signal code type of representative on the SATA CD-ROM drive; Push the selected K28.5 signal code type of sheet key secondary representative that moves back continuously; Push the selected HFTP signal code type of three representatives of sheet key that moves back continuously; Push the selected ComInit signal code type of four representatives of sheet key that moves back continuously; And push the selected ComWake signal code types of sheet key five times representative or the like that move back continuously.In case behind the selected test signal sign indicating number type that will use, then enter the test signal sign indicating number type that step 408 is prepared this appointment, and can represent the state of present SATA CD-ROM drive by the LED cresset, for example can make that the LED cresset is permanent brightly to transmit specified test signal sign indicating number type to point out present SATA CD-ROM drive to be ready to.Then when step 410, the SATA CD-ROM drive judges whether to transmit specified test signal sign indicating number type again, and the SATA CD-ROM drive then can be pushed and transmits this selected test signal sign indicating number type after moving back the sheet key in detecting the user.
Then in step 412, transmit this selected test signal sign indicating number type, can also make simultaneously LED show the test signal sign indicating number type kind that is transmitted at present in the mode of flicker number of times, judge whether to leave test pattern in step 414 then, for example detect the user in this moment push the SATA CD-ROM drive move back the sheet key, just can make the SATA CD-ROM drive leave test pattern, and when whole test pattern finishes, shown in step 416, microprocessor is just got back to armed state, wait for whether having other need of work to carry out, or footpath row powered-down or replacement.Please consult Fig. 5 A and Fig. 5 B again, utilize the oscillograph test to support to produce the SATA device and the SATA device of supporting BIST L pattern of signal specific sign indicating number type in order to explanation respectively.Shown in Fig. 5 A, if will can directly SATA device 504 to be tested be connected with oscillograph 502, by functional key 5042 selected and transmission signal code types at supporting the SATA device 504 that produces signal specific sign indicating number type to test; Shown in Fig. 5 B, if will be at supporting the SATA device 506 that produces signal specific sign indicating number type BIST L pattern to test, can also directly SATA device 506 to be tested be connected with oscillograph 502, add another one and support to produce the SATA device 504 of signal specific sign indicating number type as test signal sign indicating number type generator, so, during the various test signal sign indicating number type in testing SA TA industrial specification one by one, stipulated, just do not need the SATA device is connected to a main frame in advance, and constantly repeat Fig. 1 and action shown in Figure 2, only need directly the SATA device to be connected with measuring instrument, just can reach the effect of selecting the signal code type and transmitting the signal code type by operation push-button simply.
As the device and the production method thereof of the illustrated generation signal specific sign indicating number type of Fig. 3 and Fig. 4, the function key of this SATA device can be shared with existing button, in for example above-mentioned SATA CD-ROM drive one example, this function key can with move back the sheet key and share; In addition, one or one group of exclusive button can also be set separately provides the user selected or transmit test signal sign indicating number type, or reserves stitch on circuit board, and row connects button again when the user need test or keep in repair.Be similar to the above-mentioned functions key, the LED that the LED that show state is used also can be existing with the SATA device shares or one or one group of exclusive LED is set separately, shows the input or the delivery status of present test signal sign indicating number type.Moreover the present invention is to be example explanation with the SATA device, but can also be applied to the data storage device that meets other transmission interface industrial standard, meets the test signal sign indicating number type of each transmission interface industrial standard with generation.
In sum; though the present invention discloses as above with preferred embodiment; right its is not in order to limit the present invention; anyly have the knack of this operator; without departing from the spirit and scope of the present invention; when can being used for a variety of modifications and variations, so protection scope of the present invention is when looking accompanying being as the criterion that claim defines.
Claims (13)
1. a device that produces signal specific sign indicating number type is characterized in that, comprises:
One microprocessor;
One data storage medium is used for this microprocessor access data;
One transmission interface controller, this transmission interface controller are to be electrically connected to this microprocessor;
One transmission interface connector, in order to an interface to be provided, make an electronic installation be connected with the device of this generation signal specific sign indicating number type, this transmission interface connector is to be electrically connected to this transmission interface controller, so that this electronic installation must pass through the data in this microprocessor, this transmission interface connector and this this data storage medium of transmission interface controller access; And
One function key, this function key are to be electrically connected to this microprocessor, optionally operate in a test pattern with the device of controlling this generation signal specific sign indicating number type;
Wherein, when the device of this generation signal specific sign indicating number type optionally operated in this test pattern, the device of this generation signal specific sign indicating number type can be exported a signal specific sign indicating number type by this transmission interface connector.
2. a kind of device that produces signal specific sign indicating number type described in claim 1, it is characterized in that, wherein this transmission interface controller is to meet a transmission interface controller of advancing rank technical battery connection interface industrial specification side by side, and this transmission interface connector is to meet a transmission interface connector that advances rank technical battery connection interface industrial specification side by side.
3. a kind of device that produces signal specific sign indicating number type described in claim 1, it is characterized in that, wherein this transmission interface controller is the transmission interface controller that meets a string rank technical battery connection interface industrial specification of advancing, and this transmission interface connector is the transmission interface connector that meets a string rank technical battery connection interface industrial specification of advancing.
4. a kind of device that produces signal specific sign indicating number type described in claim 3, it is characterized in that wherein this transmission interface controller is also supported the long-range back coupling pattern of a built-in self-test or supported a built-in self-test teletransmission pattern or support the long-range back coupling pattern of this built-in self-test simultaneously and this built-in self-test teletransmission pattern.
5. a kind of device that produces signal specific sign indicating number type described in claim 1 is characterized in that wherein this function key is a button, or is that a stitch is for connecting a button.
6. a kind of device that produces signal specific sign indicating number type described in claim 1 is characterized in that wherein the device of this generation signal specific sign indicating number type is a CD-ROM drive, and this function key is one of this CD-ROM drive and moves back the sheet key.
7. a method that produces signal specific sign indicating number type is applicable in the data storage device, it is characterized in that, its step comprises:
Make this data storage device enter a test pattern;
Utilize the selected particular test signal sign indicating number type of a function key for transmission;
Transmit this particular test signal sign indicating number type; And
Make this data storage device leave this test pattern;
Wherein this particular test signal sign indicating number type is the signal code type that meets a transmission interface industrial specification.
8. a kind of method that produces signal specific sign indicating number type described in claim 7 is characterized in that, wherein this transmission interface industrial specification is one to advance rank technical battery connection interface industrial specification side by side or be a string rank technical battery connection interface industrial specification of advancing.
9. a kind of method that produces signal specific sign indicating number type described in claim 7 is characterized in that, wherein utilizes selected this particular test signal sign indicating number type of this function key also to comprise step:
Be detected in the continuous compression number that this function key is pressed in the schedule time; And
According to selected this particular test signal sign indicating number type of this continuous compression number.
10. a kind of method that produces signal specific sign indicating number type described in claim 9, it is characterized in that, wherein this transmission interface industrial specification is a string rank technical battery connection interface industrial specification of advancing, and also comprises step according to selected this particular test signal sign indicating number type of this continuous compression number:
When this continuous compression number for once, selected PRBS signal code type is this particular test signal sign indicating number type;
When this continuous compression number is a secondary, selected K28.5 signal code type is this particular test signal sign indicating number type;
When this continuous compression number is three times, selected HFTP signal code type is this particular test signal sign indicating number type;
When this continuous compression number is four times, selected ComInit signal code type is this particular test signal sign indicating number type; And
When this continuous compression number is five times, selected ComWake signal code type is this particular test signal sign indicating number type.
11. a kind of method that produces signal specific sign indicating number type described in claim 7 is characterized in that, wherein makes this data storage device leave this test pattern and also comprises step:
Whether be detected in this function key is pressed; And
When this function key is pressed, makes this data storage device leave this test pattern and enter a standby or reset this data storage device.
12. a kind of method that produces signal specific sign indicating number type described in claim 7 is characterized in that, wherein also comprises step:
Utilize the state of a diode displaying this data storage device operation under this test pattern at present.
13. a kind of method that produces signal specific sign indicating number type described in claim 12 is characterized in that, wherein also comprises step:
When this data storage device enters this test pattern, make this light emitting diode perseverance bright; And
When this particular test signal sign indicating number type of transmission, show this particular test signal sign indicating number type kind by this LED flash number of times.
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CNB2006100726574A CN100410890C (en) | 2006-04-07 | 2006-04-07 | Device for producing specific signal code form and its producing method |
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CNB2006100726574A CN100410890C (en) | 2006-04-07 | 2006-04-07 | Device for producing specific signal code form and its producing method |
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CN101826350B (en) * | 2009-03-05 | 2012-05-30 | 纬创资通股份有限公司 | Electronic device with CD-ROM drive and application thereof |
CN111752785B (en) * | 2020-06-29 | 2022-06-17 | 苏州浪潮智能科技有限公司 | System and method for testing SATA signal |
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JP2002064588A (en) * | 2000-08-17 | 2002-02-28 | Toyo Commun Equip Co Ltd | Digital transmission apparatus incorporating pattern generator |
EP1411434A2 (en) * | 2002-10-11 | 2004-04-21 | Broadcom Corporation | A software programmable verification tool having a single built-in self-test (bist) module for testing and debugging multiple memory modules in a device under test (dut) |
CN1499516A (en) * | 2002-10-31 | 2004-05-26 | 海力士半导体有限公司 | Semiconductor memory having enhanced testing power |
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Patent Citations (6)
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US3781829A (en) * | 1972-06-16 | 1973-12-25 | Ibm | Test pattern generator |
US5781718A (en) * | 1994-08-19 | 1998-07-14 | Texas Instruments Incorporated | Method for generating test pattern sets during a functional simulation and apparatus |
CN1303101A (en) * | 1999-10-29 | 2001-07-11 | 三菱电机株式会社 | Semi-conductor memory possessing test pattern decision circuit |
JP2002064588A (en) * | 2000-08-17 | 2002-02-28 | Toyo Commun Equip Co Ltd | Digital transmission apparatus incorporating pattern generator |
EP1411434A2 (en) * | 2002-10-11 | 2004-04-21 | Broadcom Corporation | A software programmable verification tool having a single built-in self-test (bist) module for testing and debugging multiple memory modules in a device under test (dut) |
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