CN207490924U - A kind of bluetooth module framework applied to human-computer interaction - Google Patents

Abstract

The utility model discloses a kind of bluetooth module frameworks applied to human-computer interaction, the bluetooth module framework takes the pin symmetric mode design of rectangle both sides, the long 17.7mm of frame, wide 10.4mm, including 26 functional pins, SPI communication, PWM controls, matrix-scanning, quadrature decoder, RF and general GPIO are provided, wherein, the module framework is provided in functional pin, in addition to ground connection, power supply, UART transmitting-receivings, chip reset and RF input and output pins, can be multiplexed as general GPIO interface.There is bluetooth module framework provided by the utility model unified pin definition and sized package, product renewing only to need to change corresponding module scheme when upgrading, and without re-starting exploitation, can shorten the development cycle, reduce development cost；Module size is smaller, is suitable for the exploitation demand of more small microminiaturized products；SPI universal communication interfaces are provided, it can be achieved that the exploitation of more multi-product.

Description

A kind of bluetooth module framework applied to human-computer interaction

Technical field

The utility model belongs to wireless communication technique field, is related to bluetooth module more particularly to a kind of applied to man-machine friendship Mutual bluetooth module framework.

Background technology

With the development of wireless communication technique, tablet computer and laptop also more minimize, and USB interface is also got over Come it is fewer, some even only there are one Type-C interfaces be used for connect peripheral equipment, this promotes tablet computer or laptop Demand to wireless device greatly increases, wherein it is exactly Wireless Keyboard and mouse that application is most common.Current tablet computer and Laptop all embedded with bluetooth substantially can carry out human-computer interaction, and can realize by the hosts such as bluetooth approach and tablet computer Low-power consumption does not have some the electronic equipment of Bluetooth function, can be allowed to have Bluetooth function by embedded bluetooth module, from And meets the needs of host equipments wireless connections such as above-mentioned and tablet computer and human-computer interaction.

Since electronic product functional requirement is higher and higher, update updating speed is also getting faster.But because market blueing The package size of tooth module is inconsistent or volume of bluetooth module before is excessive, it is difficult to which adapting to the micromation of electronic product needs It asks, application range is also smaller.This just needs the bluetooth module framework of a kind of uniform sizes and pin function so that subsequent upgrade The module that new departure corresponds to same pin is directly replaced during electronic product, and without developing again, it is substantially shorter new production The development cycle of product.

Utility model content

Based on above-mentioned background, the purpose of this utility model is to provide a kind of bluetooth module frames applied to human-computer interaction Frame using the standard size frame that the utility model is unified, can develop the bluetooth module of different chip solutions, module size compared with It is small.Since module packaging size is consistent, when product up-gradation or Replacing Scheme, main board does not have to develop again, only needs to change pair The module of scheme is answered, development cost and development cycle can be substantially reduced.

To achieve these goals, the technical solution adopted in the utility model is as follows：A kind of indigo plant applied to human-computer interaction Tooth module framework takes the pin symmetric mode design of rectangle both sides, frame long 17.7mm, wide 10.4mm, including 26 functions Pin, provides SPI communication, PWM controls, matrix-scanning, quadrature decoder, RF and general GPIO, and module framework is sealed using stamp hole Dress, can carry out secondary patch.

Further, 13 functional pins are provided on the left of the module framework long side, are equidistantly arranged between each pin.

Further, 13 functional pins are provided on the right side of the module framework long side, are equidistantly arranged between each pin.

Further, the module framework long side is topmost and the lowermost pin, module framework described in centre-to-centre spacing are wide Side spacing is respectively 0.75mm.

Further, during the module framework encapsulation, each long 1.2mm of pin, wide 0.9mm.

Further, two pins center spacing 1.35mm during the module framework encapsulation.

Further, it is not provided with functional pin on two broadsides of the module framework.

Further, the module framework provides interface and is connect including SPI communication interface, PWM control interfaces, matrix-scanning Mouth, quadrature decoder interface, RF radio frequency interfaces and general GPIO interface.

Further, the module framework is provided in functional pin, in addition to ground connection, power supply, UART receive and dispatch, chip reset and RF input and output pins can be multiplexed as general GPIO interface.

To sum up, a kind of bluetooth module framework applied to human-computer interaction provided by the utility model, advantage are as follows.

1. module size is smaller, it is suitable for the exploitation demand of more small microminiaturized products.

2. with unified pin and sized package, product renewing only needs to change corresponding module scheme when upgrading, and does not have to Exploitation is re-started, the development cycle can be shortened, reduce development cost.

3. SPI universal communication interfaces are provided, it can be achieved that the exploitation of more multi-product.

Description of the drawings

Fig. 1 is the dimensional structure figure of the utility model bluetooth module framework.

Fig. 2 is the functional pin figure of the utility model bluetooth module framework.

Fig. 3 is bluetooth module BT3GMD_B26P structure diagrams in embodiment 1.

Fig. 4 is bluetooth module BT3GMD_B26P concrete application schematic diagrames in embodiment 1.

Fig. 5 is bluetooth module PAR2801_P26P structure diagrams in embodiment 2.

Fig. 6 is bluetooth module PAR2801_P26P concrete application schematic diagrames in embodiment 2.

Specific embodiment

In order to make the purpose of this utility model, technical solution and advantage clearer, below in conjunction with drawings and examples pair The utility model is further described.It should be appreciated that optimal embodiment described herein is only used for explaining the utility model, It is not used to limit the utility model.

Fig. 1 and Fig. 2 is respectively the dimensional structure figure of the utility model bluetooth module framework and functional pin figure.It can by Fig. 1 Know, a kind of bluetooth module framework applied to human-computer interaction, take the pin symmetric mode design of rectangle both sides, the long B of frame is 17.7mm, wide A are 10.4mm；Described two long sides of module framework are each provided with 13 functional pins, and left long side sets function Pin 1-13, right long side set functional pin 14-26, are equidistantly arranged between each pin, wherein, topmost draw with the lowermost Foot, module framework broadside spacing C described in centre-to-centre spacing are 0.75mm；When module framework encapsulates, each long D of pin is 1.2mm, wide E is 0.9mm, and two pins center spacing F is 1.35mm；Functional pin is not provided on two broadsides of the module framework；It provides SPI communication interface, PWM control interfaces, matrix-scanning interface, quadrature decoder interface, RF radio frequency interfaces and general GPIO interface.

As shown in Figure 2, each functional pin arranges setting counterclockwise in the utility model bluetooth module framework, in length Rectangular symmetric mode design, specific each functional pin are defined as follows.

Pin 1, entitled GND, function definition：Ground connection.

Pin 2, entitled SCLK, function definition：SPI Clock Signal pins/reusable is GPIO.

Pin 3, entitled MISO, function definition：SPI communication host input pin/reusable is GPIO.

Pin 4, entitled MOTION, function definition：It is GPIO to interrupt detection pin/reusable.

Pin 5, entitled NCS, function definition：SPI chip select pins/reusable is GPIO.

Pin 6, entitled UP_TX, function definition：UART transmission interfaces.

Pin 7, entitled UP_RX, function definition：UART receiving interfaces.

Pin 8, entitled MOSI, function definition：SPI communication host output pin/reusable is GPIO.

Pin 9, entitled ROW2, function definition：Row matrix 2/ reusable of scanning pin is GPIO.

Pin 10, entitled ROW1, function definition：Row matrix 1/ reusable of scanning pin is GPIO.

Pin 11, entitled CLOUMN0, function definition：Matrix column scan draws 0/ reusable for GPIO.

Pin 12, entitled REST, function definition：Chip reset pin.

Pin 13, entitled BAT_DET, function definition：Electric power detection pin/reusable is GPIO.

Pin 14, entitled VDDIO, function definition：Module energization pins.

Pin 15, entitled GND, function definition：Ground connection.

Pin 16, entitled LED1, function definition：PWM 1/ reusables of output controlling switch are GPIO.

Pin 17, entitled LED2, function definition：PWM 2/ reusables of output controlling switch are GPIO.

Pin 18, entitled LED0, function definition：PWM 0/ reusables of output controlling switch are GPIO.

Pin 19, entitled Z_A, function definition：Orthogonal signalling A directions decoding pin/reusable is GPIO.

Pin 20, entitled Z_B, function definition：Orthogonal signalling B directions decoding pin/reusable is GPIO.

Pin 21, entitled COM, function definition：Orthogonal signalling output controlling switch/reusable is GPIO.

Pin 22, entitled ROW0, function definition：0/ reusable of matrix-scanning row pin is GPIO.

Pin 23, entitled CLOUMN2, function definition：2/ reusable of matrix-scanning row pin is GPIO.

Pin 24, entitled CLOUMN1, function definition：1/ reusable of matrix-scanning row pin is GPIO.

Pin 25, entitled GND, function definition：Ground connection.

Pin 26, entitled ANT, function definition：RF signal input and output pins.

Embodiment 1.

It is blue using bluetooth module framework development and production in the present embodiment as a kind of specific embodiment of the utility model Tooth module BT3GMD_B26P.Fig. 3 and Fig. 4 is respectively the structure diagram of bluetooth module BT3GMD_B26P and concrete application signal Figure.As shown in figure 3, this module is by MCU BCM20730, EEPROM, the 24MHz crystal oscillator of an internal processor and RF modules periphery Circuit forms, and is communicated between the EEPROM and MCU by I2C interface, has a RF interfaces, by external antenna or PCB printed antennas realize sending and receiving for Bluetooth signal；Support bluetooth 3.0；There is provided SPI communication interface, PWM control interfaces and GPIO interface.Such as Fig. 4, the concrete application of bluetooth module in the present embodiment, this reality are described in detail for realizing 3.0 mouse of bluetooth It applies bluetooth module in example to connect with the photoelectricity SENSOR modules by SPI interface, passes through GPIO and the KEYS encoders mould Block connect, connect by PWM interfaces with the LEDS modules, power supply module respectively with the bluetooth module and the photoelectricity SENSOR modules connect, and power supply is provided for it.Wherein, SPI interface realizes bluetooth module and the communication of photoelectricity SENSOR modules, institute It states photoelectricity SENSOR modules and the data detected is sent to bluetooth module, bluetooth module after data processing by RF modules to being sent out The host equipment with module bluetooth connection is given, realizes Bluetooth communication；In addition, PWM interfaces can realize the control of LED light, GPIO causes for gossip show the button detection of 3.0 mouse of bluetooth and the signal detection of mouse roller encoder, so as to fulfill human-computer interaction Function.

Embodiment 2.

It is blue using bluetooth module framework development and production in the present embodiment as a kind of specific embodiment of the utility model Tooth module PAR2801_P26P.Fig. 5 and Fig. 6 is respectively that the structure diagram of bluetooth module PAR2801_P26P and concrete application are shown It is intended to.As shown in figure 5, this bluetooth module is made of an internal processor PAR2801, RF module and crystal oscillator, have a RF radio frequencies Interface realizes sending and receiving for Bluetooth signal by external antenna or PCB printed antennas；Support bluetooth 4.0；SPI is provided to lead to Believe interface, PWM control interfaces and GPIO interface.

Fig. 6 is the concrete application schematic diagram that 4.0 mouse of bluetooth is built using bluetooth module in the present embodiment, can be with by Fig. 6 Find out, bluetooth mouse is upgraded to bluetooth 4.0 by the bluetooth 3.0 in embodiment 1, it is only necessary on the basis of embodiment 1, directly become The bluetooth module of more corresponding demand, since there is the utility model bluetooth module framework unified size framework and pin to determine Justice so that during 3.0 mouse of bluetooth upgrades, the Bluetooth chip of different businessmans is directly replaced, in Scheme Choice There are more selectivity, substantially reduce product development cycle, reduce development cost.

To sum up, a kind of bluetooth module framework applied to human-computer interaction provided by the utility model has unified pin Definition and sized package, product renewing only need to change corresponding module scheme when upgrading, and without re-starting exploitation, can shorten open It sends out the period, reduce development cost；Module size is smaller, is suitable for the exploitation demand of more small microminiaturized products；It is general logical to provide SPI Believe interface, it can be achieved that the exploitation of more multi-product.

Above example is merely to illustrate the technical solution of the utility model and unrestricted, although with reference to preferred embodiment pair The utility model is described in detail, it will be understood by those of ordinary skill in the art that, it can be to the technology of the utility model Scheme is modified or equivalent replacement, without departing from the spirit and scope of technical solutions of the utility model, should all cover at this In the right of utility model.

Claims (3)

1. a kind of bluetooth module framework applied to human-computer interaction, which is characterized in that the module framework takes rectangle both sides to draw Foot symmetric design, frame long 17.7mm, wide 10.4mm including 26 functional pins, provide SPI communication, PWM is controlled, matrix is swept It retouches, quadrature decoder, RF and general GPIO, module framework can carry out secondary patch using stamp hole encapsulation；

13 functional pins are provided on the left of the module framework long side, are equidistantly arranged between each pin；

13 functional pins are provided on the right side of the module framework long side, are equidistantly arranged between each pin；

Functional pin is not provided on two broadsides of the module framework；

The module framework long side is topmost with the lowermost pin, and module framework broadside spacing is respectively described in centre-to-centre spacing 0.75mm；

The each long 1.2mm of pin, wide 0.9mm during the module framework encapsulation；

Two pins center spacing 1.35mm during the module framework encapsulation.

2. bluetooth module framework according to claim 1, which is characterized in that the module framework provides interface and includes SPI Communication interface, PWM control interfaces, matrix-scanning interface, quadrature decoder interface, RF radio frequency interfaces and general GPIO interface.

3. bluetooth module framework according to claim 1, which is characterized in that the module framework is provided in functional pin, In addition to ground connection, power supply, UART transmitting-receivings, chip reset and RF input and output pins, can be answered as general GPIO interface With.