CN203746061U - Processor for satellite communication based portable step-by-step integrated communication control method - Google Patents

Abstract

The utility model aims to overcome the defects in the prior art by providing a processor for a satellite communication based portable step-by-step integrated communication control method. The processor supports multiple communication modes and can adapt to various severe environments. The processor comprises three modules: a core module, a security module, and an audio and other interface module, wherein the core module realizes control through IO ports and is connected to the security module, and the audio and other interface module; specifically, the security module has no direct data interaction with the audio and other interface module, and is used through dispatching of the CPU in the core module. According to the utility model, the dominant frequency of the processor can reach 806 MHz; the processor supports efficient communication instructions; high-speed transmission can be realized between the processor and other processors with the same framework; the processor can effectively accelerate processing on video, 3D images, audio and other SIMD traditional elements, support WINCE/Android operating system, and realize efficient data transmission and processing.

Description

A kind of processor of the portable multiple step format integrated communicaton control method based on satellite communication

Technical field

The present invention relates to the communications field, relate in particular to satellite communication control of product field.

Background technology

Along with the develop rapidly of Information technology, embedded handhold equipment technology has obtained wide development space in recent years.In order to meet the various life requirements of people, increasing handheld device has been penetrated among people's life as a series of multi-functional products such as GPS, palm PC, smart mobile phones.From initial single chip computer architecture till now with the damascene structures of specialized operations system, the demand complicacy of embedded system improves day by day, scale is also progressively expanding, and therefore how to design complicated embedded system and has also just become a current important topic that needs discussion.But, traditional ununified standard of Embedded System Design method, in performance history, human factor affects seriously, and aspect Hardware/Software Collaborative Design, lacks dirigibility and effective contact means, makes embedded system at the aspect such as efficiency, cost Shortcomings.Compared with traditional embedded system, portable distributed integrated communicaton handheld device has more striking contrast at the aspect such as power supply power consumption, system performance.

Summary of the invention

The technology of the invention is dealt with problems: for the deficiencies in the prior art, provide a kind of processor of the portable multiple step format integrated communicaton control method based on satellite communication, support plurality of communication schemes, can adapt to various rugged surroundings.

the technical solution of the invention:

The processor of a kind of portable multiple step format integrated communicaton control method based on satellite communication described in the invention is combined by 3 modules: nucleus module, security module, audio frequency and other interface modules, wherein nucleus module is controlled by IO mouth and is connected with security module, audio frequency and other interface modules, and concrete security module and audio frequency and other interface modules do not have direct data interaction.

Described nucleus module includes 14 parts, comprise respectively CPU(1), DDR(2), can expand large capacity NAND FLASH(3), NAND FLASH(4), GPS module (5), two 10/100M self-adaptation Ethernet modules (6), customizable audio codec (7), TTL RS 232 serial port module (8), display module (9), Keysheet module (10), power management module (11), USB-HOST(12), SD-Socket(13), USB-OTG(14), wherein said CPU(1) control other 13 parts and be connected alternately with it by each IO mouth, other each 13 parts are adopted described CPU(1 unanimously) dispatch use.

Described CPU(1) refer to a kind of core processing module of processor of the portable multiple step format integrated communicaton control method based on satellite communication, preferably model is PXA320;

Described DDR(2) refer to DDR SDRAM synchronous DRAM;

Described expand large capacity NAND FLASH(3) for can options, in the time needing more jumbo NAND FLASH in actual conditions, can adopt.

Described NAND FLASH(4) be non-volatile internal memory;

Described GPS module (5) is GPS module;

Described two 10/100M self-adaptation Ethernet modules (6) are two 100 m ethernet controller compositions, are the hardware devices for connecting CPU and network.

Described customizable audio codec (7) allows to increase an audio decoder module;

Described TTL RS 232 serial port module (8) is a kind of data interaction interface, for described CPU(1) with the data interaction of PC or satellite communication station;

Described display module (9) can external touch OLED display screen;

Described Keysheet module (10) can external input equipment;

Described power management module (11) is made up of input end overvoltage protection IC chip, efficient power Management IC chip, LDO low pressure difference linear voltage regulator, real-time clock IC chip, step-down chip and USB current limiting switch with ena-bung function; The wherein said preferred model of input end overvoltage protection IC is MAX14527, the preferred model of described efficient power Management IC is MAX8660, the preferred model of described real-time clock IC is DS1337, the preferred model of the described step-down chip with ena-bung function is TPS62040, and the preferred model of described USB current limiting switch is MAX1693;

Described USB-HOST(12) refer to USB main equipment, by described USB-HOST(12) mainboard of embedded a kind of portable multiple step format integrated communicaton control method based on satellite communication formula application can be used as main equipment, can circumscribed USB mouse etc. equipment;

Described SD-Socket(13) refer to the slot of putting SD card, prior preset application program or need the software of burning in wherein said SD card.

Described USB-OTG(14) refer to that USB is from equipment, by described USB-OTG(14) can use by the equipment using the mainboard of embedded a kind of portable multiple step format integrated communicaton control method based on satellite communication formula application as similar USB flash disk type.

Described security module includes CF card (19), CF card (19) and CPLD(20) be connected; Wherein CPLD(20) can with the CPU(1 of described nucleus module) be connected; Described CF card (19) uses as crypto; Described CPLD(20) by parallel port realize described CF card (19) as the needed specific time sequence of crypto and by the data transmission after encrypting the CPU(1 to described nucleus module).

Described audio frequency and other interface modules include low-voltage two-way SPDT tone squelch switch (15), LDO low pressure difference linear voltage regulator (16), note amplifier (17), waterproof aviation plug interface (18); Described audio frequency and the major function of other interface modules are to select audio input signal end, by described note amplifier (17), sound signal are amplified, and are then transferred to other equipment; Described audio frequency and other interface modules have PPT(Push-to-Talk PTT) function, can carry out " one to one " and " one-to-many " call.

the beneficial effect of the invention:

The invention is the processor of a a kind of portable multiple step format integrated communicaton control method based on satellite communication designing for particular surroundings use, by external synchronous applications hand-held terminal device, support plurality of communication schemes, can be applicable to plurality of application scenes and rugged surroundings; The external synchronous applications hand-held terminal device of the invention adopts the full magnalium casing of reinforcement type waterproof, adopts high strength glass panel effectively protecting display screen, has the resistance to performance of falling of splendid antidetonation;

The described CPU(1 of the invention) dominant frequency can reach 806MHz, support efficient communication instruction, can and between architecture processor, reach high-speed transfer equally, video, 3D rendering, audio frequency and other SIMD traditional element processing can be effectively accelerated, WIN CE/Android operating system can be supported;

The described display module (9) of the invention can external OLED display screen, it has that active illuminating, visual angle are wide, fast response time, image quality evenly, multiple advantages such as image stabilization energy consumption is low, and because OLED is all solid state, have that antidetonation is swung, the characteristic (400C) such as low temperature resistant.

brief description of the drawings

fig. 1for the integrated stand composition of the invention ;

fig. 2nucleus module structure function Organization Chart for the invention:

1-CPU; 2-DDR; 3-can expand large capacity NAND FLASH; 4-NAND FLASH; 5-GPS module; 6-bis-10/100M self-adaptation Ethernet modules; 7-customizable audio codec; 8-TTL RS 232 serial port module; 9-display module; 10-Keysheet module; 11-power management module; 12-USB-HOST; 13-SD-Socket; 14-USB-OTG;

fig. 3the functional frame composition of the invention security module:

19-CF card; 20-CPLD;

fig. 4the functional frame composition of the invention audio frequency and other interface modules:

15-low-voltage two-way SPDT tone squelch switch; 16-LDO low pressure difference linear voltage regulator; 17-note amplifier; 18-waterproof aviation plug interface;

fig. 5the nucleus module workflow diagram of the invention;

fig. 6the CPU of the invention enables control chart;

fig. 7the workflow diagram of the invention audio frequency and other interface modules;

embodiment

In order to make those skilled in the art better understand technical scheme of the present invention, below in conjunction with drawings and embodiments, embodiments of the invention are described in further detail.

As shown in Figure 1, Figure 2 and Fig. 5, the job step of described a kind of portable multiple step format integrated communicaton control method based on satellite communication comprises:

Step 1: whether the handheld terminal circuit that first detects the embedded formula application of processor of described a kind of portable multiple step format integrated communicaton control method based on satellite communication connects correctly, whether SD card has been placed on described SD-Socket(13) in, in SD card, whether there are needed application program and application program whether to be set to automatic operation, correct and the SD card of final connection is all to be arranged and normally can power up the handheld terminals of the embedded formula application of the processor of described a kind of portable multiple step format integrated communicaton control method based on satellite communication, give the hand-held terminal device power supply of the embedded formula application of processor of described a kind of portable multiple step format integrated communicaton control method based on satellite communication with supporting communication station or direct supply, supply voltage is 4.5V～5V(DC direct current), first supply voltage passes through described overvoltage protection IC chip, this chip is supported the input voltage up to 28V, the risk that can avoid the circuit of rear end to burn because input voltage is too high, and overvoltage threshold value OVLO can regulate according to demand.The output voltage of wherein said overvoltage protection IC chip is as the input voltage of described efficient power Management IC chip; Can output VCC_IO, VCC_MEN after the normal work of described efficient power Management IC chip, VCC_APPS, VCC_MVT_BG, VCC_SRAM voltage, these voltages are responsible for to described CPU(1) etc. module for power supply.Wherein said VCC_IO is 3.3V, is described CPU(1), described two 10/100M self-adaptation Ethernet modules (6), described TTL RS 232 serial port module (8), described SD-Socket(13) power supply; Described VCC_MEN is 1.8V, is described CPU(1) power supply; Described VCC_APPS is 1.4V, is described CPU(1) power supply; Described VCC_MVT_BG is 1.8V, is described CPU(1) power supply; Described VCC_SRAM is 1.4V, is described CPU(1) power supply;

Step 2: after the normal work of described power management module (11), the described external display screen of display module (9) can be lit, described CPU(1) also can start to load be preset at described NAND FLASH(4) in system file, and synchronous at described DDR(2) in move, wait for about 30s, the described external display screen redirect of display module (9) enters the desktop of CE system, and the hand terminal system of the so far embedded formula application of a kind of processor of the portable multiple step format integrated communicaton control method based on satellite communication has started;

Step 3: after a kind of hand terminal system of the embedded formula application of processor of the portable multiple step format integrated communicaton control method based on satellite communication has started, described SD-Socket(13) in advance preset application program automatically start, in the time of application program launching, a kind of handheld terminal of the embedded formula application of processor of the portable multiple step format integrated communicaton control method based on satellite communication can be by the data interaction based on standard serial port communication protocol between described TTL RS 232 serial port module (8) and its supporting communication station, receive communication station return to correct data after application program complete startup,

Step 4: select needed application program in the handheld terminal of applying in a kind of embedded formula of processor of the portable multiple step format integrated communicaton control method based on satellite communication:

in application program, find transmission information option, can carry out two-way text communications by multiple devices, need the content sending and press acknowledgement key to send by the external keyboard input of described Keysheet module (10), other equipment can be received corresponding text message;

in application program, find voice call option, use the external keyboard input of described Keysheet module (10) need to carry out the number of voice call equipment, then use and determine that key dials, select to answer in called device, interface carries out two way voice communication;

in application program, find location service option, click acknowledgement key and enter interface, GPS location.Corresponding button is searched in click, and (about 25s) left and right of waiting for a period of time can reach 40s left and right positioning time a little for the first time under normal circumstances, can provide the position (longitude and latitude represents) at current place;

Network interface card function class in the described two 10/100M self-adaptation Ethernet modules (6) that comprise in the processor of described a kind of portable multiple step format integrated communicaton control method based on satellite communication and PC seemingly, the handheld terminal of applying in the embedded formula of processor of multiple a kind of portable multiple step format integrated communicaton control methods based on satellite communication is connected under same network by described two 10/100M self-adaptation Ethernet modules (6), all handheld terminal mouths that are connected to consolidated network can carry out network service by described two 10/100M self-adaptation Ethernet modules (6),

The described CPU(1 comprising in the processor of described a kind of portable multiple step format integrated communicaton control method based on satellite communication) can carry out data interaction with most of IO mouth as the processor of the handheld terminal of the embedded formula application of a kind of processor of the portable multiple step format integrated communicaton control method based on satellite communication; Wherein in start process can and described DDR(2), described NAND FLASH(4) carry out data interaction; Starting described SD-Socket(13) in application program time can with described SD-Socket(13) and described TTL RS 232 serial port module (8) carry out data interaction; When the handheld terminal of applying in a kind of embedded formula of processor of the portable multiple step format integrated communicaton control method based on satellite communication carries out network connection, described CPU(1) need to carry out data interaction with described two 10/100M self-adaptation Ethernet modules (6); CPU(1 described in the time of location) can carry out data interaction with described GPS module (5).

As Fig. 6, in order to reduce the power consumption of handheld terminal integral device of the embedded formula application of a kind of processor of the portable multiple step format integrated communicaton control method based on satellite communication, described USB-HOST(12), described USB-OTG(14), described GPS module (5), described two 10/100M self-adaptation Ethernet modules (6) in the situation that not using in the idle state of power-off, if user need to use these function choosing-items, need to be to described CPU(1) send request instruction (selecting corresponding function in application program), described CPU(1) receiving after request instruction, by the IC chip operation with ena-bung function in the power management module (11) described in the control of IO mouth, in general, two 10/100M self-adaptation Ethernet modules (6) described in the IC chip controls that preferably model is GPIO13, GPS module (5) described in the IC chip controls that preferably model is GPIO36, USB-HOST(12 described in the IC chip controls that preferably model is GPIO3_2), described USB-OTG(14).

As Fig. 3, the CF card (19) in described security module uses as crypto; Described CPLD(20) by parallel port realize described CF card (19) as the needed specific time sequence of crypto and by the data transmission after encrypting the CPU(1 to described nucleus module).

As Fig. 4 and Fig. 7, described audio frequency and other interface modules comprise LDO low pressure difference linear voltage regulator (16), note amplifier (17), low-voltage two-way SPDT tone squelch switch (15) and waterproof aviation plug interface (18).Described nucleus module is the input using 5V voltage as described audio frequency LDO low pressure difference linear voltage regulator (16) by wire pair board connector, and described 3.3V of LDO low pressure difference linear voltage regulator (16) output gives described note amplifier (17) and described low-voltage two-way SPDT tone squelch switch (15).Described audio frequency and other interface module major functions are selected audio input signal end exactly, by described note amplifier (17), sound signal are amplified, and are then transferred to other equipment.Described audio frequency and other interface modules also has PTT(PTT Push-to-Talk in addition) function, be a kind of brand-new mobile technology, can carry out rapidly " one to one " or " one-to-many " call, just as using intercommunication message register.A kind of hand-held terminal device itself and peripheral earphone microphone group of the embedded formula application of processor of the portable multiple step format integrated communicaton control method based on satellite communication all need to use PPT just can carry out speech input.Press after PTT key, the IO mouth level state of the CPU being connected with PTT key can be dragged down, and after the IO mouth level relevant to PTT key drags down, can carry out voice call.

The above is only the preferred implementation of the invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (15)

1. the processor of the portable multiple step format integrated communicaton control method based on satellite communication is combined by 3 modules: nucleus module, security module, audio frequency and other interface modules, wherein nucleus module is controlled by IO mouth and is connected with security module, audio frequency and other interface modules, and concrete security module and audio frequency and other interface modules do not have direct data interaction.

2. the processor of a kind of portable multiple step format integrated communicaton control method based on satellite communication according to claim 1, it is characterized in that described nucleus module includes 14 parts, comprise respectively CPU(1), DDR(2), can expand large capacity NAND FLASH(3), NAND FLASH(4), GPS module (5), two 10/100M self-adaptation Ethernet modules (6), customizable audio codec (7), TTL RS 232 serial port module (8), display module (9), Keysheet module (10), power management module (11), USB-HOST(12), SD-Socket(13), USB-OTG(14), wherein said CPU(1) control other 13 parts and be connected alternately with it by each IO mouth, other each 13 parts are adopted described CPU(1 unanimously) dispatch use.

3. the processor of a kind of portable multiple step format integrated communicaton control method based on satellite communication according to claim 2, it is characterized in that described CPU(1) refer to a kind of core processing module of processor of the portable multiple step format integrated communicaton control method based on satellite communication, preferably model is PXA320.

4. the processor of a kind of portable multiple step format integrated communicaton control method based on satellite communication according to claim 2, it is characterized in that the described large capacity NAND FLASH(3 that expands) for can options, in the time needing more jumbo NAND FLASH in actual conditions, can adopt.

5. the processor of a kind of portable multiple step format integrated communicaton control method based on satellite communication according to claim 2, it is characterized in that described two 10/100M self-adaptation Ethernet modules (6) are made up of two 100 m ethernet controllers, is the hardware device for connecting CPU and network.

6. the processor of a kind of portable multiple step format integrated communicaton control method based on satellite communication according to claim 2, is characterized in that described customizable audio codec (7) allows to increase an audio decoder module.

7. the processor of a kind of portable multiple step format integrated communicaton control method based on satellite communication according to claim 2, it is characterized in that described TTL RS 232 serial port module (8) is a kind of data interaction interface, for described CPU(1) with the data interaction of PC or satellite communication station.

8. the processor of a kind of portable multiple step format integrated communicaton control method based on satellite communication according to claim 2, is characterized in that described display module (9) can external touch OLED display screen.

9. the processor of a kind of portable multiple step format integrated communicaton control method based on satellite communication according to claim 2, is characterized in that described Keysheet module (10) can external input equipment.

10. the processor of a kind of portable multiple step format integrated communicaton control method based on satellite communication according to claim 2, is characterized in that described power management module (11) is made up of input end overvoltage protection IC chip, efficient power Management IC chip, LDO low pressure difference linear voltage regulator, real-time clock IC chip, step-down chip and USB current limiting switch with ena-bung function; The wherein said preferred model of input end overvoltage protection IC is MAX14527; the preferred model of described efficient power Management IC is MAX8660; the preferred model of described real-time clock IC is DS1337; the preferred model of the described step-down chip with ena-bung function is TPS62040, and the preferred model of described USB current limiting switch is MAX1693.

The processor of 11. a kind of portable multiple step format integrated communicaton control methods based on satellite communication according to claim 2, it is characterized in that described USB-HOST(12) refer to USB main equipment, by described USB-HOST(12) mainboard of embedded a kind of processor of the portable multiple step format integrated communicaton control method based on satellite communication formula application can be used as main equipment, can circumscribed USB mouse etc. equipment.

The processor of 12. a kind of portable multiple step format integrated communicaton control methods based on satellite communication according to claim 2, it is characterized in that described SD-Socket(13) refer to the slot of putting SD card, prior preset application program or need the software of burning in wherein said SD card.

The processor of 13. a kind of portable multiple step format integrated communicaton control methods based on satellite communication according to claim 2, it is characterized in that described USB-OTG(14) refer to that USB is from equipment, by described USB-OTG(14) can use 1 by the equipment using the mainboard of embedded a kind of processor of the portable multiple step format integrated communicaton control method based on satellite communication formula application as similar USB flash disk type.

The processor of 14. a kind of portable multiple step format integrated communicaton control methods based on satellite communication according to claim 1, is characterized in that described security module includes CF card (19), CF card (19) and CPLD(20) be connected; Wherein CPLD(20) can with the CPU(1 of described nucleus module) be connected; Described CF card (19) uses as crypto; Described CPLD(20) by parallel port realize described CF card (19) as the needed specific time sequence of crypto and by the data transmission after encrypting the CPU(1 to described nucleus module).

15. the processor of a kind of portable multiple step format integrated communicaton control method based on satellite communication according to claim 1, is characterized in that described audio frequency and other interface modules include low-voltage two-way SPDT tone squelch switch (15), LDO low pressure difference linear voltage regulator (16), note amplifier (17), waterproof aviation plug interface (18); Described audio frequency and the major function of other interface modules are to select audio input signal end, by described note amplifier (17), sound signal are amplified, and are then transferred to other equipment; Described audio frequency and other interface modules have PPT " Push-to-Talk " PTT function, can carry out " one to one " and " one-to-many " call.