CN103753961A - Conjoined chip, conjoined chipset, imaging box and imaging box set - Google Patents
Conjoined chip, conjoined chipset, imaging box and imaging box set Download PDFInfo
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- CN103753961A CN103753961A CN201310734682.4A CN201310734682A CN103753961A CN 103753961 A CN103753961 A CN 103753961A CN 201310734682 A CN201310734682 A CN 201310734682A CN 103753961 A CN103753961 A CN 103753961A
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Abstract
The invention provides a conjoined chip and an imaging box comprising the conjoined chip. The conjoined chip comprises an auxiliary part and a main part. The auxiliary part comprises an interface unit, a storage unit, a response recognition unit, a priority level configuration unit and a control unit. When the response recognition unit recognizes that the response of other box chips does not exist on a serial public bus, the control unit sends general information stored in a storage unit to a printing and imaging device through the interface unit. When auxiliary parts of other conjoined chips are damaged or disassembled, the conjoined chip can timely respond to the printing and imaging device, the other conjoined chips do not need to be replaced, and a main storage with the higher cost in the main part is prevented from being wasted.
Description
Technical field
The invention belongs to printing imaging field, relate in particular to disjunctor chip and comprise the imaging cartridge of this disjunctor chip.
Background technology
Printing imaging device (for example ink-jet printer, laser/LED printer) upper imaging cartridge (for example print cartridge of installing with box chip, toner cartridge and powder box) be common in recent years a kind of application mode, this box chip-stored about the information of imaging cartridge, print like this imaging device and can pass through this box chip of imaging cartridge, know the information that is installed to the imaging cartridge on it, then according to these information, carry out exactly printing imaging operation, and the recording materials in imaging cartridge are when run out of, by writing information in box chip, limiting the continuation of empty imaging cartridge uses.In known box chip, generally stored the information of two types, one is unmodifiable information, for example, about the fix information of the aspects such as brand, sequence number, capacity and the date of manufacture of imaging cartridge; Another is the information of the service condition of real time record imaging cartridge, this class variable information has comprised consumption amount of recording material, recording materials surplus, number of print pages, residue number of print pages, installed date etc. first, and the classification of the box chip institute canned data of different brands and type and kind are generally different.
For more pleasing coloured image is provided, on printing imaging device, multiple imaging cartridges that held different colours recording materials being installed is common a kind of modes.Fig. 1 is multiple box chips and the bus connection diagram that is printed as picture communication between devices in prior art, printing imaging device and four box chips is all connected on serial common bus, each box chip has been assigned with an address of devices, is respectively " 011 ", " 010 ", " 110 " and " 101 ".In Fig. 2, serial common bus has four order wires, every order wire is for each box chip and to print imaging device be public, four order wires be respectively voltage source signal line (VCC), earth connection (GND), can bi-directional transmission of information order wire (I/O) and the clock cable (CLK) of synchronised clock is provided for printing imaging device and multiple box chip.When box chip and printing imaging device interactive communication, first by printing imaging device, by serial common bus, send instruction, this instruction comprises the address of devices of indicating access object.Box chip receives after this instruction, the address of devices comprising according to instruction, identify this instruction and whether call out self, if, by serial common bus, send response message to printing imaging device, and in time thereafter by serial common bus the information with printing imaging device interaction box chip-stored; If recognize this instruction, not call out self, enter dormancy or holding state, until receive the signal of stopping of printing that imaging device sends, reset or power-up initializing.
In the box chip of same batch, generally stored the fix information of multiple identical category, for example brand, capacity and date of manufacture, so for large-scale production is to reduce costs, existing compatibility box chip extracts this part information, store into independently in annex storage, the information of other classifications all stores in another one main storage, annex storage is subject to the control of main storage, therefore only have main storage to be assigned with an address of devices, annex storage is without distribution devices address, owing to printing imaging device, only read the data of annex storage, and it is not carried out to writing of data, therefore annex storage can also be selected read-only storage, further to reduce costs.When printing imaging device need to be accessed annex storage canned data, main storage is responsible for the instruction of printing imaging device being made an explanation and forwarding annex storage canned data to printing imaging device.Therefore when producing box chip, only main storage and annex storage need to be fixed on same a slice circuit board.
But, when the lower annex storage of the price on circuit board is damaged, the box chip that can only more renew, and the main storage that on circuit board, price is higher has just been wasted.This situation should improve.
Summary of the invention
In order still to use main storage to reduce the waste of main storage in the impaired situation of annex storage, the invention provides a kind of disjunctor chip for imaging cartridge, described disjunctor chip comprises appendage and major part, it is characterized in that, described appendage comprises:
Interface unit, is connected to printing imaging device by serial common bus, and it prints for receiving the instruction that imaging device sends;
Memory cell, it has stored the information that is common to different imaging cartridges;
Response recognition unit, it is for identifying whether there is response on serial common bus;
Priority level dispensing unit, it has preset priority level; With
Control module, when receiving the instruction of printing imaging device transmission, the moment corresponding according to default priority level, the response on control response recognition unit identification serial common bus, and the instruction of imaging device is printed in response.
In other embodiment, preferably, at response recognition unit, recognize while there is not response on serial common bus, control module sends to printing imaging device by interface unit by the general information of cell stores.
In other embodiment, preferably, the default priority level of described priority level dispensing unit is specifically identified the moment that whether has the moment of response and the instruction of response printing imaging device on serial common bus.
Whether, in other embodiment, preferably, default priority level is higher, identify and on serial common bus, exist the moment of response relative forward with the moment of the instruction of response printing imaging device; Whether on the contrary, priority level is lower, identify and on serial common bus, exist after the moment of response and relative the leaning on of moment of the instruction of response printing imaging device.
In other embodiment, preferably, the appendage of described disjunctor chip is connected, possibly in an attachable fashion, to major part.
In other embodiment, preferably, the major part of disjunctor chip and appendage are arranged on the two ends on same circuit board, and the circuit board between major part and appendage is formed with a V-arrangement elongated slot.
The present invention also provides a kind of disjunctor chipset, shown in disjunctor chipset comprise at least two above-mentioned disjunctor chips, it is characterized in that the default priority level difference of priority level dispensing unit of the appendage of each disjunctor chip.
The present invention also provides a kind of imaging cartridge, it is characterized in that, it is provided with arbitrary above-mentioned disjunctor chip.
The present invention also provides a kind of imaging cartridge group, it is characterized in that, it is separately installed with arbitrary above-mentioned disjunctor chip, the default priority level difference of priority level dispensing unit of the appendage of each disjunctor chip.
By disjunctor chip provided by the invention and the imaging cartridge that comprises this disjunctor chip, can first identification control unit whether having other box chips (is above-mentioned disjunctor chip, the general designation of the OEM box chip of compatibility box chip and original-pack manufacturers produce) response, can avoid different appendages to respond the signal conflict causing simultaneously, in addition, when printing imaging device still needs to access impaired appendage canned data, the setting of priority level dispensing unit can be therein in appendage situation of damaging or being removed, ensure that other do not have appendage damaged or that remove can respond in time printing imaging device, thereby guaranteed to be printed as the normal execution of picture.When the appendage of indivedual disjunctor chips is removed, also need not change disjunctor chip, avoided the main memory that the price in major part is higher to be wasted.
Accompanying drawing explanation
Shown in Fig. 1 is multiple box chips and the bus connection diagram that is printed as picture communication between devices in prior art;
Shown in Fig. 2 to be two disjunctor chips of the present invention is connected with the bus that is printed as picture communication between devices and the structural representation of disjunctor chip;
Shown in Fig. 3 is the modular structure figure of the appendage of disjunctor chip;
Shown in Fig. 4 is the memory addressing mapping graph of appendage and major part in disjunctor chip;
Shown in Fig. 5 is the appendage of two the disjunctor chips signal timing diagram when the instruction of imaging device is printed in response;
Shown in Fig. 6 is the appendage of two disjunctor chips another signal timing diagram when the instruction of imaging device is printed in response;
Shown in Fig. 7 A is the front view that major part and appendage are all arranged on the disjunctor chip on same circuit board;
Shown in Fig. 7 B is the side view that major part and appendage are all arranged on the disjunctor chip on same circuit board.
The specific embodiment
For fully disclosing and embody the advantage of various aspects of the present invention, below in conjunction with accompanying drawing, each exemplary embodiment of the present invention is described.
Embodiment mono-
The invention provides the detachable disjunctor chip for imaging cartridge of a kind of appendage, multiple such disjunctor chips can be connected to printing imaging device by serial common bus, as shown in Figure 2, this disjunctor chip has comprised appendage and major part, appendage is connected, possibly in an attachable fashion, to major part, in Fig. 2 take disjunctor chip 100 and disjunctor chip 200 as exemplified the composition of disjunctor chip and with the connected mode of printing imaging device.Wherein, the address of devices of disjunctor chip 100 is " 010 " be stored in major part, its appendage can distribution devices address also distribution devices address not.Major part and appendage are all provided with interface circuit separately, can be connected on serial common bus.Similarly, disjunctor chip 200 also comprises major part and appendage, and its address of devices " 110 " is also stored in major part.Disjunctor chip of the present invention, possesses the function of the OEM box chip of original-pack manufacturers produce, while attaching it to imaging cartridge, can as OEM box chip, coordinate the imaging device work of printing.
Fig. 3 shows the structure composition of the appendage of disjunctor chip, and it comprises:
Interface unit 10, is connected to printing imaging device by serial common bus, and it prints for receiving the instruction that imaging device sends;
Memory cell 12, it has stored the information of the different imaging cartridges that are common to same printing imaging device, and these information both can be for certain specific imaging cartridge, also can be for being applicable to other imaging cartridge of same printing imaging device.This general information can be fix information, can be also variable information.This memory cell can adopt common nonvolatile memory, for example EPROM, EEPROM, FLASH memory, ferroelectric memory, phase transition storage etc., also can adopt volatile memory to add the scheme of power supply, for example SRAM+ battery or electric capacity, DRAM+ battery or electric capacity;
Response recognition unit 14, it is for identifying whether there is response on serial common bus;
Priority level dispensing unit 13, it has preset priority level; With
Control module 11, when receiving the instruction of printing imaging device transmission, in the moment corresponding according to default priority level, control response recognition unit 14 is identified the response on serial common bus, and the instruction of imaging device is printed in response.
At response recognition unit 14, recognize while there is not response on serial common bus, the general information that control module 11 is stored memory cell 12 by interface unit 10 sends to printing imaging device.
The appendage of different disjunctor chips, the default priority level difference of its priority level dispensing unit, priority level is higher, and it is relative forward that moment of instruction of imaging device is printed in the moment of identifying the response that whether has other box chips (being the general designation of the OEM box chip of above-mentioned disjunctor chip, compatibility box chip and original-pack manufacturers produce) on serial common bus and response; On the contrary, priority level is lower, identifies moment and the response of the response that whether has other box chips (being the general designation of the OEM box chip of above-mentioned disjunctor chip, compatibility box chip and original-pack manufacturers produce) on serial common bus and prints after relative the leaning on of moment of instruction of imaging device.This moment is to carry out comparison with the trailing edge of last clock information of printing imaging device transmission instruction.Therefore, also can be understood as the priority level dispensing unit of default priority level, this priority level is specifically identified the moment of the response that whether has other box chips on serial common bus and moment of instruction that imaging device is printed in response, and the identification moment that different priority levels is corresponding is different with response moment difference.For example, preset the higher priority level dispensing unit of priority level, the identification moment of its storage trailing edge of last clock information near print imaging device send instruction relative to the response moment, is also above-mentioned relatively forward; Preset the lower priority level dispensing unit of priority level, the identification moment of its storage trailing edge of last clock information away from print imaging device send instruction relative to the response moment, be also above-mentioned relatively lean on after.
Because the information of the cell stores of appendage is a part for all information of whole disjunctor chip, therefore, the addressing of the addressing of the memory cell of appendage and the memory of major part is continuous.Take the addressing mapping graph of the disjunctor chip 100 in Fig. 4 as example, the fix information of three bytes of appendage, be addressed to first three reference address, be respectively " 01 ", " 02 " and " 03 ", the fix information of these three bytes is the general informations that are common to other imaging cartridges, be the appendage of disjunctor chip 200, also stored the general information of these three bytes.And the addressing of major part is from reference address " 04 ", major part has been stored fix information and variable information.Therefore, when appendage or major part receive the instruction of printing imaging device, can be according to the reference address in instruction, judge whether self stores the information that this reference address is corresponding, thereby feed back to printing imaging device.Below, to print the function and efficacy of two imaging cartridges (only disjunctor chip 100 and disjunctor chip 200 have been connected to serial common bus as shown in Figure 2) being only installed in imaging device and above-mentioned appendage unit module being described in conjunction with Fig. 2 to Fig. 6.
When the instruction of printing imaging device transmission has comprised address of devices " 010 " and reference address " 04 ", the major part of disjunctor chip 100 is by judging these address of devices and reference address, can confirm this instruction is the fix information of calling out self and being addressed to " 04 " for access, the falling edge of the clock signal of last after instruction, feeds back to printing imaging device by the fix information of reference address " 04 ".Because the appendage of disjunctor chip 100 does not comprise the fix information that is addressed to " 04 ", thereby this appendage recognizes this instruction and not calls out self, ignores this instruction and enters holding state.And the address of devices of disjunctor chip 200 is " 110 ", therefore the major part of disjunctor chip and appendage can confirm that this instruction not calls out self by address of devices or reference address, and ignore this instruction, enter holding state.
And when just starting printing imaging device, printing imaging device often needs first to obtain the build-in attribute of imaging cartridge, therefore can first send the instruction of access fix information, for example by serial common bus after box chip or disjunctor chip power supply, first send and comprise the instruction of reference address " 01 ".Below, divide the appendage of three kinds of situations explanation disjunctor chips 100 and disjunctor chip 200 how to respond respectively this instruction, the default priority level of priority level dispensing unit of supposing the adjunct unit of disjunctor chip 100 is higher, and the default priority level of the priority level dispensing unit of the adjunct unit of disjunctor chip 200 is lower.
The first situation: when disjunctor chip 100 and disjunctor chip 200 is normally connected on serial common bus simultaneously.The appendage of disjunctor chip 100 and disjunctor chip 200 has all received by its interface unit the instruction that comprises reference address " 01 ", referring to Fig. 5, the trailing edge A moment in last clock signal of printing imaging device transmission instruction is located, the OEM box chip of compatibility box chip and original-pack manufacturers produce is generally in this instruction of this time of day response, first the response recognition unit of the disjunctor chip 100 that priority level is higher starts to detect that on serial common bus, whether to have other box chips (may be above-mentioned disjunctor chip, one of OEM box chip of compatibility box chip and original-pack manufacturers produce) respond this instruction, if do not had, in the A moment, postponing the B moment of a period of time locates, the appendage of disjunctor chip 100 sends to serial common bus by its interface unit by the fix information of the reference address of cell stores " 01 " (first place that represents the information of addressing " 01 " in Fig. 5 is low level signal), now print imaging device and can receive this information, if there are other this instructions of box die response, the interface unit of the appendage of disjunctor chip 100 discharges the control to serial common bus, enters holding state.And the lower disjunctor chip 200 of priority level, the C moment of the response recognition unit of its appendage after the B moment located, (may be one of OEM box chip of above-mentioned disjunctor chip, compatibility box chip and original-pack manufacturers produce) have responded this instruction to check whether there are other box chips on universal serial bus, if there be (being expressed as low level signal in Fig. 5), the interface unit of the appendage of disjunctor chip 200 discharges the control to serial common bus, enters holding state; If do not had, in the C moment, postponing the D moment of a period of time locates, the appendage of disjunctor chip 200 sends to serial common bus by its interface unit by the fix information of the reference address of cell stores " 01 " (first place that represents the information of addressing " 01 " in Fig. 6 is low level signal), now print imaging device and can receive this information, as shown in Figure 6.Obviously, because the appendage of the higher disjunctor chip 100 of priority level has responded this instruction, in this case, the appendage of disjunctor chip 200 no longer responds this instruction, and the response condition of disjunctor chip 100 and disjunctor chip 200 as shown in Figure 5.In this process, owing to printing the rising edge of imaging device in next clock signal, namely the E moment in Fig. 5 locates to detect and receive the response signal of disjunctor chip, so can not have influence on the signal of printing imaging device, receive and the information interaction in subsequent clock cycle, the present invention utilizes and prints imaging device and sending instruction and receiving the time difference realization of instruction between responding and whether have the detection of other these instructions of box die response on to serial common bus.
The second situation: when disjunctor chip 200 is normally connected on serial common bus, and the appendage of disjunctor chip 100 is damaged or while being removed.Damaged or cannot work time at appendage, in order to ensure the steady operation of circuit, appendage can be removed from disjunctor chip.Therefore only have the appendage of disjunctor chip 200 by its interface unit, to receive the instruction that comprises reference address " 01 ", the C moment of the response recognition unit of its appendage after the B moment located, check this instruction that whether had other box die response on serial common bus, because the appendage of disjunctor chip 100 is damaged or be removed, the C moment remains high level (expression does not have other this instructions of box die response), in the C moment, postponing the D moment of a period of time locates, the appendage of disjunctor chip 200 sends to serial common bus by its interface unit by the fix information of the reference address of cell stores " 01 " (first place that represents the information of addressing " 01 " in Fig. 6 is low level signal), now print imaging device and can receive this information, in this case, the output signal sequential chart similar to Figure 6 of the appendage of disjunctor chip 200.
The third situation: when disjunctor chip 100 is normally connected on serial common bus, and the appendage of disjunctor chip 200 is damaged or while being removed.Similar with the first situation, the appendage of disjunctor chip 100 has received the instruction that comprises reference address " 01 " by its interface unit, in the trailing edge A moment of last clock signal of printing imaging device transmission instruction, locate, the response recognition unit of its appendage detects on serial common bus whether have other this instructions of box die response, due to the default TP top priority of priority level dispensing unit of the appendage of disjunctor chip 100, do not have the instruction of other disjunctor die response printing imaging device herein, in the A moment, postponing the B moment of a period of time locates, the appendage of disjunctor chip 100 sends to serial common bus by its interface unit by the fix information of the reference address of cell stores " 01 " (first place that represents the information of addressing " 01 " in Fig. 5 is low level signal), now print imaging device and can receive this information.In C moment and D moment, locate, because the appendage of disjunctor chip 200 is damaged or be removed, these two moment can not change, in this case, and the sequential chart that the output signal of the appendage of disjunctor chip 100 is similar to Figure 5.
The appendage of above-mentioned disjunctor chip, describes as example not to be assigned with address of devices.Due to the cell stores of appendage is the information that is common to the different imaging cartridges of same printing imaging device, therefore, can also in memory cell, store the address of devices of different imaging cartridges, when receiving the instruction that has comprised address of devices and reference address, can also be simultaneously according to address of devices and reference address, whether be the instruction of calling out self, to determine whether sending the general information of self storing by interface unit if identifying.If same information, for example, about the information of recording material capacity, addressing in disjunctor chip 100 is " 01 ", and addressing in disjunctor chip 200 is " 02 ", must give appendage distribution devices address, and according to address of devices and reference address, determine the information that need to send to printing imaging device simultaneously.
In order to remove easily when needed the appendage of disjunctor chip, can adopt the method for multiple fixing appendage, one method is that appendage or its internal module are made to plug-in unit pattern, when encapsulation, be inserted on disjunctor chip, when removing, can from disjunctor chip, extract easily.Another kind method is as shown in Fig. 7 A and Fig. 7 B, the major part of disjunctor chip and appendage are all arranged on two ends on same circuit board (seeing the front view of Fig. 7 A disjunctor chip), circuit board between major part and appendage forms a V-arrangement elongated slot (seeing the side view of Fig. 7 B disjunctor chip) by machining, can break easily when needed deenergizing plate, appendage is removed from disjunctor chip.By cut into groove or the punching of other shapes in the position of V-arrangement elongated slot, also can play similar effect, at this, do not limited.
Embodiment bis-
The present invention also provides a kind of disjunctor chipset that is applicable to same printing imaging device, each disjunctor chip has comprised respectively appendage and major part, appendage is connected, possibly in an attachable fashion, to major part, these disjunctor chips can comprise above-mentioned disjunctor chip 100 and disjunctor chip 200, and the appendage of disjunctor chip comprises interface unit, memory cell, response recognition unit, priority level dispensing unit and control module.The default priority level difference of priority level dispensing unit of the appendage of each disjunctor chip.The definition of the unit module of the appendage of the present embodiment and function, referring to embodiment mono-, do not repeat them here.
Visible, owing to can first identifying the response that whether has other box chips on serial common bus in the present invention, can avoid different appendages to respond the signal conflict causing simultaneously, in addition, when printing imaging device still needs to access impaired appendage canned data, the setting of priority level dispensing unit can be therein in appendage situation of damaging or being removed, ensure that other do not have appendage damaged or that remove can respond in time printing imaging device, thereby guaranteed to be printed as the normal execution of picture.When the appendage of indivedual disjunctor chips is removed, also need not change disjunctor chip, avoided the main memory that the price in major part is higher to be wasted.
Embodiment tri-
An aspect of of the present present invention also provides a kind of imaging cartridge, and the disjunctor chip of above-described embodiment one can be installed on this imaging cartridge; Another aspect of the present invention also provides the imaging cartridge group of printing imaging device for same, the disjunctor chip of above-described embodiment one can be respectively installed in imaging cartridge group, the default priority level difference of priority level dispensing unit of the appendage of the disjunctor chip of each imaging cartridge.
One of ordinary skill in the art will appreciate that: all or part of step that realizes above-mentioned each embodiment of the method can complete by programmed instruction or relevant hardware, and the part unit of disjunctor chip also can be completed by computer program.Aforesaid program can be stored in a computer read/write memory medium.This program, when carrying out, is carried out the step that comprises above-mentioned each embodiment of the method; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CDs.
Finally it should be noted that: above each embodiment, only in order to technical scheme of the present invention to be described, is not intended to limit; Although the present invention is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or some or all of technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (9)
1. for a disjunctor chip for imaging cartridge, described disjunctor chip comprises appendage and major part, it is characterized in that, described appendage comprises:
Interface unit, is connected to printing imaging device by serial common bus, and it prints for receiving the instruction that imaging device sends;
Memory cell, it has stored the information that is common to different imaging cartridges;
Response recognition unit, it is for identifying whether there is response on serial common bus;
Priority level dispensing unit, it has preset priority level; With
Control module, when receiving the instruction of printing imaging device transmission, the moment corresponding according to default priority level, the response on control response recognition unit identification serial common bus, and the instruction of imaging device is printed in response.
2. disjunctor chip according to claim 1, is characterized in that, at response recognition unit, recognizes while there is not response on serial common bus, and control module sends to printing imaging device by interface unit by the general information of cell stores.
3. disjunctor chip according to claim 1, is characterized in that, whether the default priority level of described priority level dispensing unit is specifically identified and on serial common bus, existed moment of response and response to print the moment of the instruction of imaging device.
4. whether according to the arbitrary described disjunctor chip of claim 1-3, it is characterized in that, default priority level is higher, identify and on serial common bus, exist the moment of response relative forward with the moment of the instruction of response printing imaging device; Whether on the contrary, priority level is lower, identify and on serial common bus, exist after the moment of response and relative the leaning on of moment of the instruction of response printing imaging device.
5. disjunctor chip according to claim 1, is characterized in that, the appendage of described disjunctor chip is connected, possibly in an attachable fashion, to major part.
6. disjunctor chip according to claim 5, is characterized in that, the major part of disjunctor chip and appendage are arranged on the two ends on same circuit board, and the circuit board between major part and appendage is formed with a V-arrangement elongated slot.
7. a disjunctor chipset, shown in disjunctor chipset comprise at least two disjunctor chips as described in as arbitrary in claim 1-6, it is characterized in that the default priority level difference of priority level dispensing unit of the appendage of each disjunctor chip.
8. an imaging cartridge, is characterized in that, it is provided with the disjunctor chip as described in as arbitrary in claim 1-6.
9. an imaging cartridge group, is characterized in that, it is separately installed with the disjunctor chip as described in as arbitrary in claim 1-6, the default priority level difference of priority level dispensing unit of the appendage of each disjunctor chip.
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| CN103744273A (en) * | 2014-01-16 | 2014-04-23 | 珠海艾派克微电子有限公司 | Integrated chip, integrated chip group, imaging box and imaging box group |
| CN103744273B (en) * | 2014-01-16 | 2016-06-29 | 珠海艾派克微电子有限公司 | Disjunctor chip, disjunctor chipset, imaging cartridge and imaging cartridge group |
| CN109614060A (en) * | 2019-01-18 | 2019-04-12 | 珠海艾派克微电子有限公司 | Data transmission method, device, consumable chip and printing consumables |
| CN112383384B (en) * | 2021-01-13 | 2021-04-06 | 成都铭科思微电子技术有限责任公司 | Large-size chip based on-chip serial data communication and communication method thereof |
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