CN204595215U - Based on the GNSS receiver of IMX28 platform minimum systematic module - Google Patents
Based on the GNSS receiver of IMX28 platform minimum systematic module Download PDFInfo
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- CN204595215U CN204595215U CN201520135744.4U CN201520135744U CN204595215U CN 204595215 U CN204595215 U CN 204595215U CN 201520135744 U CN201520135744 U CN 201520135744U CN 204595215 U CN204595215 U CN 204595215U
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- gnss receiver
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Abstract
The utility model relates to a kind of GNSS receiver based on IMX28 platform minimum systematic module, comprising the GNSS receiver based on IMX28 platform minimum systematic module, described hub module, level switch module, GNSS module, wireless network module, radio station module and bluetooth module are connected described IMX28 platform minimum systematic module respectively.Adopt the GNSS receiver based on IMX28 platform minimum systematic module of the present utility model, compared with other circuit arrangement, effectively reduce product development cycle, simultaneously improving product stability and reliability greatly, and be applicable to GNSS receiver miscellaneous, not by the limitation of applied environment, improve Consumer's Experience, improve the robotization performance of GNSS receiver, there is range of application widely.
Description
Technical field
The utility model relates to GNSS technical field, specifically refers to a kind of GNSS receiver based on IMX28 platform minimum systematic module.
Background technology
Along with the fast development of modern electronic technology, GNSS (Global Navigation Satellite System, GLONASS (Global Navigation Satellite System)) receiver internal circuit becomes increasingly complex, but existing minimum system circuit cannot meet too many function simultaneously, need the difficulty of design update function larger according to client, Consumer's Experience reduces day by day, and system stability is poor, and robotization performance is lower.
Utility model content
The purpose of this utility model is the shortcoming overcoming above-mentioned prior art, provides a kind of employing IMX28 platform minimum system circuit thus effectively reduces design difficulty, strengthening the GNSS receiver based on IMX28 platform minimum systematic module of the stability of system.
To achieve these goals, the GNSS receiver based on IMX28 platform minimum systematic module of the present utility model has following formation:
Should based on the GNSS receiver of IMX28 platform minimum systematic module, its principal feature is, described GNSS receiver comprises hub module, level switch module, GNSS module, wireless network module, radio station module and bluetooth module, and described hub module, level switch module, GNSS module, wireless network module, radio station module and bluetooth module are connected described IMX28 platform minimum systematic module respectively.
Further, described hub module connects external unit.
Wherein, described external unit comprises memory device and communication facilities.
Further, described hub module is connected with described IMX28 platform minimum systematic module by USB interface, described GNSS module, level switch module and bluetooth module are all connected with described IMX28 platform minimum systematic module by UART interface, described wireless network module is connected with described IMX28 platform minimum systematic module by SDIO interface, and described radio station module is connected with described IMX28 platform minimum systematic module by I2C bus.
Further, described GNSS receiver also comprises the power module connecting IMX28 platform minimum systematic module.
Have employed the GNSS receiver based on IMX28 platform minimum systematic module of the present utility model, compared with other circuit arrangement, effectively reduce product development cycle, simultaneously improving product stability and reliability greatly, and be applicable to GNSS receiver miscellaneous, not by the limitation of applied environment, improve Consumer's Experience, improve the robotization performance of GNSS receiver, there is range of application widely.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of IMX28 platform minimum systematic module of the present utility model.
Fig. 2 is the structured flowchart of the GNSS receiver based on IMX28 platform minimum systematic module of the present utility model.
Fig. 3 is the schematic diagram of the PMU of IMX28 platform minimum systematic module of the present utility model.
Fig. 4 is the schematic diagram of the DDR2 memory chip of IMX28 platform minimum systematic module of the present utility model.
Fig. 5 is the IO schematic diagram of IMX28 platform minimum systematic module of the present utility model.
Fig. 6 is the schematic diagram of UART, SSP, I2C, SDIO of IMX28 platform minimum systematic module of the present utility model.
Fig. 7 is the schematic diagram of the storage chip SanDisk of IMX28 platform minimum systematic module of the present utility model.
Fig. 8 is the schematic diagram of the core board pin of IMX28 platform minimum systematic module of the present utility model.
Fig. 9 is the schematic diagram of the power module of the GNSS receiver based on IMX28 platform minimum systematic module of the present utility model.
Figure 10 is the schematic diagram of the GNSS module of the GNSS receiver based on IMX28 platform minimum systematic module of the present utility model.
Figure 11 is the schematic diagram of the level conversion of the GNSS receiver based on IMX28 platform minimum systematic module of the present utility model.
Figure 12 is the schematic diagram of the 3G module of the GNSS receiver based on IMX28 platform minimum systematic module of the present utility model.
Figure 13 is the schematic diagram that the HOST/DEVICE equipment of the GNSS receiver based on IMX28 platform minimum systematic module of the present utility model switches.
Figure 14 is the WIFI module of GNSS receiver based on IMX28 platform minimum systematic module of the present utility model and the schematic diagram of bluetooth module.
Figure 15 is the schematic diagram of the hub module of the GNSS receiver based on IMX28 platform minimum systematic module of the present utility model.
Figure 16 is the schematic diagram of the radio station module of the GNSS receiver based on IMX28 platform minimum systematic module of the present utility model.
Figure 17 is the integrated circuit schematic diagram of the GNSS receiver based on IMX28 platform minimum systematic module of the present utility model.
Embodiment
In order to more clearly describe technology contents of the present utility model, conduct further description below in conjunction with specific embodiment.
The purpose of this utility model be to provide a kind of based on Freescale IMX28 platform minimum systematic module for GNSS receiver, such as can realize in the following manner:
As shown in Fig. 1 and 3 ~ 8, IMX28 platform minimum systematic module adopts Freescale IMX287 processor, Samsung DDR2 (Double Data Rate 2) memory chip, other element (as crystal oscillator, resistance, inductance and electric capacity etc.) of storage chip SanDisk and minimum systematic module, IMX287 processor inside is integrated with PMU (Power Management Unit, Power Management Unit), run Linux 2.3.6 system, namely the outside a small amount of device of increase that only needs can form IMX28 platform minimum systematic module.
The exploitation being applicable to GNSS reception conveniently, IMX28 platform minimum systematic module provides 4 UART mouths (Universal Asynchronous Receiver/Transmitter, asynchronous serial communication mouth), 2 I2C (Inter-IntegratedCircuit, twin wire universal serial bus) bus, 4 SDIO (Secure Digital Input and Output, secure digital input and output) interface, 2 network interfaces, 2 USB interface, 2 SPI (Serial Peripheral Interface, Serial Peripheral Interface (SPI)) bus, 8 road ADC (Analog To Digital Converter, analog to digital converter), and some groups of universal inputs export (IO) interface.
As shown in Fig. 2 and 9 ~ 17, based on above-mentioned IMX28 platform minimum systematic module, GNSS receiver of the present utility model comprises hub module, level switch module, GNSS module, wireless network module, radio station module, power module and bluetooth module, and hub module, level switch module, GNSS module, wireless network module, radio station module, power module and bluetooth module are connected IMX28 platform minimum systematic module respectively.
Wherein, wireless network module can be WIFI (WIreless-Fidelity, Wireless Fidelity) module; Hub module is made up of USB HUB chip, and its external unit that can connect comprises memory device and communication facilities, such as HOST/DEVICE equipment, 3G module, 4G module etc.; Level switch module is made up of level transferring chip.
In addition, hub module is connected with IMX28 platform minimum systematic module by USB interface, GNSS module, level switch module and bluetooth module are all connected with IMX28 platform minimum systematic module by UART interface, wireless network module is connected with IMX28 platform minimum systematic module by SDIO interface, and radio station module is connected with IMX28 platform minimum systematic module by I2C bus.
The above-mentioned circuit design based on IMX28 platform minimum systematic module successfully uses in various presetting applied environment, can apply on various GNSS receiver circuit.
Have employed the GNSS receiver based on IMX28 platform minimum systematic module of the present utility model, compared with other circuit arrangement, effectively reduce product development cycle, simultaneously improving product stability and reliability greatly, and be applicable to GNSS receiver miscellaneous, not by the limitation of applied environment, improve Consumer's Experience, improve the robotization performance of GNSS receiver, there is range of application widely.
In this description, the utility model is described with reference to its specific embodiment.But, still can make various amendment and conversion obviously and not deviate from spirit and scope of the present utility model.Therefore, instructions and accompanying drawing are regarded in an illustrative, rather than a restrictive.
Claims (5)
1. the GNSS receiver based on IMX28 platform minimum systematic module, it is characterized in that, described GNSS receiver comprises hub module, level switch module, GNSS module, wireless network module, radio station module and bluetooth module, described hub module, level switch module, GNSS module, wireless network module, radio station module and bluetooth module are connected described IMX28 platform minimum systematic module respectively, described IMX28 platform minimum systematic module adopts Freescale IMX287 processor, Samsung Double Data Rate 2 memory chip, other element of the minimum systematic module of storage chip SanDisk and composition IMX287 processor.
2. the GNSS receiver based on IMX28 platform minimum systematic module according to claim 1, is characterized in that, described hub module connects external unit.
3. the GNSS receiver based on IMX28 platform minimum systematic module according to claim 2, is characterized in that, described external unit comprises memory device and communication facilities.
4. the GNSS receiver based on IMX28 platform minimum systematic module according to claim 1, it is characterized in that, described hub module is connected with described IMX28 platform minimum systematic module by USB interface, described GNSS module, level switch module and bluetooth module are all connected with described IMX28 platform minimum systematic module by UART interface, described wireless network module is connected with described IMX28 platform minimum systematic module by SDIO interface, and described radio station module is connected with described IMX28 platform minimum systematic module by I2C bus.
5. the GNSS receiver based on IMX28 platform minimum systematic module according to claim 1, is characterized in that, described GNSS receiver also comprises the power module connecting IMX28 platform minimum systematic module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520135744.4U CN204595215U (en) | 2015-03-10 | 2015-03-10 | Based on the GNSS receiver of IMX28 platform minimum systematic module |
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| CN201520135744.4U CN204595215U (en) | 2015-03-10 | 2015-03-10 | Based on the GNSS receiver of IMX28 platform minimum systematic module |
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| CN204595215U true CN204595215U (en) | 2015-08-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107884792A (en) * | 2016-09-29 | 2018-04-06 | 上海华测导航技术股份有限公司 | A kind of GNSS receiver aerial signal switching device and switching method |
-
2015
- 2015-03-10 CN CN201520135744.4U patent/CN204595215U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107884792A (en) * | 2016-09-29 | 2018-04-06 | 上海华测导航技术股份有限公司 | A kind of GNSS receiver aerial signal switching device and switching method |
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Legal Events
| Date | Code | Title | Description |
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| 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: 20150826 Termination date: 20200310 |
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| CF01 | Termination of patent right due to non-payment of annual fee |