CN204613818U

CN204613818U - A kind of handheld terminal based on COM-Express module

Info

Publication number: CN204613818U
Application number: CN201520169994.XU
Authority: CN
Inventors: 蔡本华; 张帅
Original assignee: XI'AN RITRONTEK ELECTRONICS TECHNOLOGY Co Ltd
Current assignee: XI'AN RITRONTEK ELECTRONICS TECHNOLOGY Co Ltd
Priority date: 2015-03-24
Filing date: 2015-03-24
Publication date: 2015-09-02
Anticipated expiration: 2025-03-24

Abstract

A kind of handheld terminal based on COM-Express module of the utility model, comprises housing, arranges the battery in sub-housing, data memory module and data processing module, and is arranged on liquid crystal display, touch-screen and the matrix keyboard on housing; Data processing module comprises the Come-mct10 module adopting COM-Express standard, and by single-chip microcomputer that GPIO interface communicates with Come-mct10 model calling with I2C interface; Come-mct10 module for the treatment of with exchange data, and store operating system; Single-chip microcomputer connects battery for reading battery electric quantity and controlling supplying power for outside and switching on and shutting down signal, and single-chip microcomputer connection matrix keyboard is used for transmitting keyboard signal to Come-mct10 module; Liquid crystal display is connected with the LVDS interface of Come-mct10 module; Data memory module is connected with the SATA interface of Come-mct10 module.

Description

A kind of handheld terminal based on COM-Express module

Technical field

The utility model relates to computer hardware technology field, is specially a kind of handheld terminal based on COM-Express module.

Background technology

At present, increasing electronic equipment requires miniaturization, requires that performance is high, low in energy consumption simultaneously, and the construction cycle is short and be easy to heat radiation etc.Current, the many employings of a large amount of hand-held terminal devices are that hardware platform carries Linux or android system with ARM, and such shortcoming is that hardware performance is on the low side, and software development difficulty is high and portable poor; Not only there is the kernal hardware research and development of products cycle long, the shortcomings such as the large and software development difficulty of equipment volume is large, and the stability of product and reliability low, the miniaturization of product cannot be realized, be unfavorable for maintainability and the upgrading ability of product.

Utility model content

For problems of the prior art, the utility model provides that a kind of reliability is high, good stability, low in energy consumption, and the handheld terminal based on COM-Express module that extendability is strong.

The utility model is achieved through the following technical solutions:

Based on a handheld terminal for COM-Express module, comprise housing, the battery in sub-housing, data memory module and data processing module are set, and be arranged on liquid crystal display, touch-screen and the matrix keyboard on housing; Described data processing module comprises the Come-mct10 module adopting COM-Express standard, and by single-chip microcomputer that GPIO interface communicates with Come-mct10 model calling with I2C interface; Come-mct10 module for the treatment of with exchange data, and store operating system; Single-chip microcomputer connects battery for reading battery electric quantity and controlling supplying power for outside and switching on and shutting down signal, and single-chip microcomputer connection matrix keyboard is used for transmitting keyboard signal to Come-mct10 module; Described Come-mct10 module connects the SCH3116 chip being used for extended serial port and PS/2 interface by lpc bus, the serial ports that SCH3116 chip expands is connected with touch-screen, another serial ports and PS/2 interface are together connected with single-chip microcomputer and communicate, and residue serial ports is connected the connection for RS232 or RS422 by the driving chip arranged with external interface; Described liquid crystal display is connected with the LVDS interface of Come-mct10 module; Described data memory module is connected with the SATA interface of Come-mct10 module.

Preferably, data memory module adopts solid-state electronic dish; Solid-state electronic dish arranges USB access interface by connecting JMS567 chip.

Preferably, Come-mct10 module is also provided with the USB interface for exchanges data that connect corresponding to external interface respectively, for USB interface for subsequent use that is for subsequent use and debugging, and first via gigabit network interface.

Preferably, Come-mct10 module arranges USB3.0 interface by a road PCIE Interface Expanding; Connect network interface card expansion by residue two-way PCIE interface and second and third road gigabit network interface is set; USB3.0 interface is connected with corresponding external interface respectively with second and third road gigabit network interface.

Further, network interface card adopts 82574L chip.

Compared with prior art, the utility model has following useful technique effect:

The utility model adopts the Come-mct10 module of COM-Express standard as CPU platform by arranging, and while processing and exchanging, operating system is stored on its integrated electric board to data; And store data in data memory module, thus realize the separately storage of operating system and data storage, thus improve the reliability and stability of system; Arranged by the connection of single-chip microcomputer, realize changing the power supply control of battery and the input of matrix keyboard, thus being separated of data processing and power supply control can be realized, ensure the Effec-tive Function of Come-mct10 module and lower power consumption, also ensure the unification of Come-mct10 module by signal process, better improve its reliability and stability.Not only low in energy consumption, size is little, and can by directly realizing system upgrade to the replacing of Come-mct10 module, and improve maintainability and the upgrading ability of product, the construction cycle is short; Can be widely used in the embedded system of desired data storage and playback in military project, railway and electric system.

Further, achieve the conversion of USB interface to SATA interface by the setting of JMS567 chip, for USB interface access system hard disk provides direct approach and support.

Further, by the direct extraction of Come-mct10 module its own interfaces, and the connection of corresponding conversion chip is arranged, whole handheld terminal is made to have abundant interface, can better simply expand, adaptability and versatility strengthen greatly, more flexibly and easily.

Accompanying drawing explanation

Fig. 1 is the signal wiring block diagram of handheld terminal described in the utility model example.

Embodiment

Below in conjunction with accompanying drawing, the utility model is described in further detail, described in be to explanation of the present utility model instead of restriction.

Concrete, as shown in Figure 1, the USB interface of the utility model handheld terminal, first via gigabit network interface, LVDS interface, USB interface for subsequent use are directly drawn by COMe-mCT10 module.Second and third two-way gigabit network interface connects network card chip 82574L expansion by the two-way PCIE interface of COMe-mCT10 module and obtains, with PCIe1,2 marks in Fig. 1.COMe-mCT10 module has three road PCIE interfaces, and a remaining road PCIE, for expanding USB3.0 interface, marks with PCIe0 in Fig. 1.

The utility model handheld terminal is described for needs 5 serial ports, and 5 serial ports are expanded by SCH3116Super IO chip by the lpc bus of COMe-mCT10 module and obtain.Wherein three road serial ports drive through driving chip is the air plug that then RS232 or RS422 connect external interface, and a road expansion is for controlling touch-screen, and an other road communicates with single-chip microcomputer.SCH3116 also expands PS/2 interface in addition, and single-chip microcomputer converts PS/2 interface to the signal of the matrix keyboard of outside, gives computing machine keyboard signal by SCH3116.The process of switching on and shutting down signal is responsible for by single-chip microcomputer, system external power 12V output control and read battery electric quantity; Can also control key-press backlight.

The utility model handheld terminal is by carrying out communication between the serial ports of the GPIO interface that carries and I2C interface and expansion and single-chip microcomputer; In this preferred embodiment, display screen adopts the high intensity display screen of LVDS interface, and resolution supports 640*480.

The touch-screen of the utility model handheld terminal is for realizing the input to operating user interface.System is visited by RS232 interface, control touch-screen drive plate, and drive plate converts RS232 serial ports to the four-wire system signal of touch-screen.

3*3 matrix keyboard is adopted in this preferred embodiment.P1.0 ~ the P1.5 of single-chip microcomputer arranges as 3 row 3 of matrix keyboard, and P3.4 meets PS/2 signal KBDAT, and P3.5 meets PS/2 signal KBCLK.Whole conversion is processed by single-chip microcomputer, gives SCH3116, then give Come-mct10 module by lpc bus after process by the PS/2 signal of standard.

In this preferred embodiment, solid-state electronic dish arranges USB access interface by connecting JMS567 chip; When COM-Express module work, now solid-state electronic dish is as the data storage device of system.And when after the power down of COM-Express module, if USB access interface connects USB main equipment.Main equipment will to this energize portions, and electric circuit inspection is to USB some work thus switch SATA signal and turn on this circuit of SATA to USB.Thus achieve by USB interface access system hard disk.Now solid-state electronic dish uses as USB storage device.USB3.0 turns SATA part and adopts chip JMS567 to realize.

The electricity of battery carries out periodicity by single-chip microcomputer by the PIN8 ~ PIN12 of battery interface and reads, and then single-chip microcomputer is four signal output displays of the battery electric quantity read.

In this preferred embodiment, Come-mct10 module and its support plate can be arranged in the space between display screen installing plate and battery.Installed by the installing plate of display screen, complete location and fix.

Claims

1. based on a handheld terminal for COM-Express module, it is characterized in that, comprise housing, the battery in sub-housing, data memory module and data processing module are set, and be arranged on liquid crystal display, touch-screen and the matrix keyboard on housing;

Described data processing module comprises the Come-mct10 module adopting COM-Express standard, and by single-chip microcomputer that GPIO interface communicates with Come-mct10 model calling with I2C interface; Come-mct10 module for the treatment of with exchange data, and store operating system; Single-chip microcomputer connects battery for reading battery electric quantity and controlling supplying power for outside and switching on and shutting down signal, and single-chip microcomputer connection matrix keyboard is used for transmitting keyboard signal to Come-mct10 module;

Described Come-mct10 module connects the SCH3116 chip being used for extended serial port and PS/2 interface by lpc bus, the serial ports that SCH3116 chip expands is connected with touch-screen, another serial ports and PS/2 interface are together connected with single-chip microcomputer and communicate, and residue serial ports is connected the connection for RS232 or RS422 by the driving chip arranged with external interface;

Described liquid crystal display is connected with the LVDS interface of Come-mct10 module;

Described data memory module is connected with the SATA interface of Come-mct10 module.

2. a kind of handheld terminal based on COM-Express module according to claim 1, is characterized in that, described data memory module adopts solid-state electronic dish; Solid-state electronic dish arranges USB access interface by connecting JMS567 chip.

3. a kind of handheld terminal based on COM-Express module according to claim 1, it is characterized in that, described Come-mct10 module is also provided with the USB interface for exchanges data that connect corresponding to external interface respectively, for USB interface for subsequent use that is for subsequent use and debugging, and first via gigabit network interface.

4. a kind of handheld terminal based on COM-Express module according to claim 1, is characterized in that, described Come-mct10 module arranges USB3.0 interface by a road PCIE Interface Expanding; Connect network interface card expansion by residue two-way PCIE interface and second and third road gigabit network interface is set; USB3.0 interface is connected with corresponding external interface respectively with second and third road gigabit network interface.

5. a kind of handheld terminal based on COM-Express module according to claim 4, is characterized in that, described network interface card adopts 82574L chip.