CN204576495U - A kind of dual bus arbitration control device - Google Patents
A kind of dual bus arbitration control device Download PDFInfo
- Publication number
- CN204576495U CN204576495U CN201520184532.5U CN201520184532U CN204576495U CN 204576495 U CN204576495 U CN 204576495U CN 201520184532 U CN201520184532 U CN 201520184532U CN 204576495 U CN204576495 U CN 204576495U
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- bus
- bus controller
- control device
- controller
- dual
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Abstract
The utility model relates to a kind of dual bus arbitration control device, comprise external unit, the first bus controller, MCU micro control unit, the second bus controller and CPU module, the first described bus controller, MCU micro control unit, the second bus controller connect successively, described external unit is connected by the first transfer bus with the first bus controller, and described CPU module is connected by the second transfer bus with the second bus controller.Compared with prior art, the utility model have mature and stable, reliability is high, the advantage such as real-time.
Description
Technical field
The utility model relates to a kind of dual bus arbitration device, and especially relating to a kind of main system that makes can arbitrate control device with the dual bus using the external unit of pci bus to communicate mutually.
Background technology
In embedded systems, owing to needing to connect dissimilar external unit, conducting interviews and the operational efficiency improving system to realize multiple external unit, usually introducing dual bus or multiple bus architecture in embedded systems.But, because the standard used between bus is different with agreement, peripheral components is conducted interviews and exchanges data process in can produce a lot of Communication.Therefore, need to carry out when main equipment access slave to arbitrate and switch and the conversion of data layout.Existing dual bus control system, exists that arbitration time is long, data stability is poor, reliability is low, real-time is not high and the defect such as antijamming capability is weak.
Utility model content
The purpose of this utility model is exactly provide a kind of mature and stable, dual bus that reliability is high, real-time arbitration control device to overcome defect that above-mentioned prior art exists.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of dual bus arbitration control device, it is characterized in that, comprise external unit, the first bus controller, MCU micro control unit, the second bus controller and CPU module, the first described bus controller, MCU micro control unit, the second bus controller connect successively, described external unit is connected by the first transfer bus with the first bus controller, and described CPU module is connected by the second transfer bus with the second bus controller.
The first described transfer bus is pci bus, and the first described bus controller is pci bus controller.
The second described transfer bus is Multibus bus, and the second described bus controller is Multibus bus controller.
The change-over circuit of Multibus bus and pci bus is embedded with in described MCU micro control unit.
Compared with prior art, the utility model has the following advantages:
1, technology maturation is stablized, and antijamming capability is strong, and data are transmitted by bus, effectively improve the security in transmitting procedure and antijamming capability;
2, real-time is good, and arbitration time is short;
3, reliability is high, and data are transmitted at each equipment room by bus with digital signal, thus ensure that the accuracy of data.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
As shown in Figure 1, a kind of dual bus arbitration control device, comprise external unit 7, pci bus controller 5, MCU micro control unit 4, Multibus bus controller 3 and CPU module 1, described pci bus controller 5, MCU micro control unit 4, Multibus bus controller 3 connect successively, described external unit 7 is connected by pci bus 6 with pci bus controller 5, and described CPU module 1 is connected by Multibus bus 2 with Multibus bus controller 3.
Claims (4)
1. a dual bus arbitration control device, it is characterized in that, comprise external unit, the first bus controller, MCU micro control unit, the second bus controller and CPU module, the first described bus controller, MCU micro control unit, the second bus controller connect successively, described external unit is connected by the first transfer bus with the first bus controller, and described CPU module is connected by the second transfer bus with the second bus controller.
2. a kind of dual bus arbitration control device according to claim 1, it is characterized in that, the first described transfer bus is pci bus, and the first described bus controller is pci bus controller.
3. a kind of dual bus arbitration control device according to claim 2, it is characterized in that, the second described transfer bus is Multibus bus, and the second described bus controller is Multibus bus controller.
4. a kind of dual bus arbitration control device according to claim 3, is characterized in that, be embedded with the change-over circuit of Multibus bus and pci bus in described MCU micro control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520184532.5U CN204576495U (en) | 2015-03-30 | 2015-03-30 | A kind of dual bus arbitration control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520184532.5U CN204576495U (en) | 2015-03-30 | 2015-03-30 | A kind of dual bus arbitration control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204576495U true CN204576495U (en) | 2015-08-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520184532.5U Expired - Fee Related CN204576495U (en) | 2015-03-30 | 2015-03-30 | A kind of dual bus arbitration control device |
Country Status (1)
| Country | Link |
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| CN (1) | CN204576495U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106155951A (en) * | 2015-03-30 | 2016-11-23 | 上海黄浦船用仪器有限公司 | A kind of dual bus arbitration control system and application thereof |
-
2015
- 2015-03-30 CN CN201520184532.5U patent/CN204576495U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106155951A (en) * | 2015-03-30 | 2016-11-23 | 上海黄浦船用仪器有限公司 | A kind of dual bus arbitration control system and application thereof |
| CN106155951B (en) * | 2015-03-30 | 2024-01-12 | 上海黄浦船用仪器有限公司 | Dual-bus arbitration control system and application thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150819 Termination date: 20190330 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |