CN100489737C - Data processing electronic device with double central processing units - Google Patents

Abstract

The present invention relates to a data processing electronic device with dual central processing units (CPUs), comprising: a first central processing unit and a second central processing unit, wherein the first central processing unit is connected to the second central processing unit. The first central processing unit is a low-power central processing unit, which is used to execute a first program (Process) that requires a long execution time. The second central processing unit is a central processing unit with a more powerful computing power than the first central processing unit, which is used to execute a second program that requires fast calculation. The first central processing unit can output an interrupt signal to the second central processing unit, so that the second central processing unit executes the second program. The second central processing unit can output an interrupt signal to the first central processing unit, so that the first central processing unit executes and transmits data that has been processed by the first program.

Description

Data processing electronics with dual CPUs

technical field

The invention relates to a data processing electronic device with dual central processing units (CPUs), in particular to a data processing electronic device combining two central processing units with different properties.

Background technique

Existing data processing electronic devices with dual central processing units (CPUs), such as computer motherboards with dual central processing units, are equipped with two central processing units of the same model. This circuit design Not very suitable for some special applications (Applications). Because in some special applications, the data processing electronic device must be able to save power and withstand long-term operation, and the data processing electronic device must deal with a large amount of workload temporarily delivered, such as a large number of computing tasks, and this A large amount of work must be completed in a very short time. Therefore, the circuit design of the data processing electronic device must be sufficient for the execution of special application programs for a long time and power saving, and the data processing electronic device must have high-performance computing capabilities. However, the configuration of high-performance computing capabilities Often it is necessary to pay the price of high power consumption. In fact, it is difficult to meet the requirements of special applications by using two data processing electronic devices with the same type of CPU.

In view of the lack of the above-mentioned existing data processing electronic device with dual CPUs, the inventor of the present invention wanted to invent and improve and invented a data processing electronic device that combines two CPUs with different attributes.

Contents of the invention

The first object of the present invention is to provide a data processing electronic device with dual central processors, which has high computing power and can withstand long-term operation under power-saving conditions.

The second object of the present invention is to provide a data processing electronic device with dual central processors, which has high computing power and can withstand long-term operation under power-saving conditions. state, so that another CPU can join the task of data processing.

In order to achieve the above object of the present invention, the present invention provides a data processing electronic device with dual central processing units (CPU), including: a first central processing unit and a second central processing unit, wherein the first central processing unit is connected to the second central processing unit Two central processing units. The first CPU is a low-power CPU used to execute a first program (Process) that requires a long execution time. The second central processing unit is a central processing unit with a more powerful computing capability than the first central processing unit, and is used to execute the second program requiring fast calculation. The first central processing unit can output an interrupt signal to the second central processing unit, so that the second central processing unit executes the second program. The second CPU can output an interrupt signal to the first CPU, so that the first CPU executes and transmits the data processed by the first program.

In order to make those of ordinary skill in the art understand the purpose, features and effects of the present invention, the present invention will be described in detail below through the following specific embodiments and accompanying drawings.

Description of drawings

FIG. 1 shows a circuit block diagram of the data processing electronic device of the present invention.

FIG. 2 shows a state model diagram of the first central processing unit and the second central processing unit of the present invention.

FIG. 3 shows a circuit block diagram of a data processing electronic device for implementing the application of detecting and processing human heart beating signals according to the present invention.

Explanation of reference symbols:

10 Data processing electronics

11 The first CPU

13 Second CPU

15 monitors

16 external connectors

17 buttons

18 Power management circuit

20 memory cards

111 First procedure

131 Second procedure

Detailed ways

Please refer to FIG. 1 , the structural feature of the data processing electronic device 10 of the present invention is to combine two CPUs 11 and 13 with different attributes to jointly complete an application. According to the circuit structure disclosed by the data processing electronic device 10 of the present invention, it is particularly suitable for being able to execute programs that need to be able to save power for a long time on the one hand, and on the other hand, to be able to execute programs that require fast calculations. result of the program.

The first CPU 11 is a low-power CPU and is used to execute a first program (Process) 111 that requires a long execution time. The second central processing unit 13 is a central processing unit with more powerful computing capability, and is used for the second program 131 that requires fast computing. The first central processing unit 11 is connected to the second central processing unit 13, and the connection means can be electrical bus connection, connection through optical signal transmission, or connection through audio signal.

In FIG. 2 , the first central processing unit 11 and the second central processing unit 13 each have three state modes, which are Initialize mode, Run mode, and Slow mode. When the first central processing unit 11 and the second central processing unit 13 are powered on (Power On), at this moment, the first central processing unit 11 and the second central processing unit 13 respectively execute the initialization program of the initial (Initialize) mode to which they belong. When the first central processing unit 11 finishes executing the initial program, it enters the execution mode immediately. If in the execution mode, the first central processing unit 11 has finished executing all programs, it automatically enters the standby mode to save power consumption. After the second central processing unit 13 finishes executing the initial program, it enters the execution mode immediately. If in the execution mode, the second central processing unit 13 has finished executing all programs, it automatically enters the standby mode to save power consumption.

In FIG. 2 , the first central processing unit 11 will actively output an interrupt signal to the second central processing unit 13 to make the second central processing unit 13 transfer from the standby mode to the execution mode. Similarly, the second central processing unit 13 will actively output an interrupt signal to the first central processing unit 11 to make the second central processing unit 13 transfer from the standby mode to the execution mode. Likewise, the second CPU 13 can output an interrupt signal to the first CPU 11 , so that the first CPU 11 executes and transmits the data processed by the first program 111 .

Please refer to FIG. 3 , the present invention further discloses and explains the data processing electronic device 10 through an application example of detecting and processing the beating of the human heart. The first CPU 11 is connected to some sensors (not shown in the figure), and these sensors are in contact with the human heart. The first central processing unit 11 executes the external data collection program in the execution mode, and the external data collection program is a sample program of the first program 111 . Although the external data collection program 111 has been executed for a long time, the first central processing unit 11 is sufficient for the task of external data collection because the electric power consumed by the first central processing unit 11 in the execution mode is extremely low.

The above-mentioned first program 111 further includes a man-machine prompt program, which is executed by the first central processing unit 11 to output sound or light source to the outside world, so that the data processing electronic device 10 can notify the outside world that it is currently collecting these in external data. The user who uses the electronic data processing device 10 can know that the electronic data processing device 10 is collecting the external data from the sound or the prompt of the light source.

In Fig. 3, the internal circuit example of the first central processing unit 11 at least includes: 16-bit RISC core (16 Bit RISC Core), 12 Bit analog/digital converter (12 Bit ADC), general-purpose input/output (GPIO ), Universal Asynchronous Receiver Transmitter (UART). The above-mentioned first program (Process) 111 can be implemented by means of firmware, and can be built into the first central processing unit 11 . The internal circuit example of the second central processing unit 13 at least includes: 16/32 bit ARM core (16/32 Bit ARM Core), random access memory (RAM), flash memory (Flash Memory), external memory transfer interface (EMI ), serial peripheral interface (SPI), two universal asynchronous receiver transmitters (UART), general-purpose input and output (GPIO). The above-mentioned second program 131 can be implemented by means of firmware, and can be built in the second central processing unit 13 .

Furthermore, when the amount of data collected by the first central processing unit 11 reaches a predetermined amount, the first central processing unit 11 at this time will output an interrupt signal to the second central processing unit 13 by executing the first program 111, and then , the second central processing unit 13 enters the execution mode and executes the data receiving program to receive the electrocardiogram digitized data corresponding to the external data transmitted from the first central processing unit 11 . Executing the data receiving program is an example program of one of the second programs 131 . Please note: in order to achieve the overall power-saving effect, the second central processing unit 13 may be in standby mode before receiving the interrupt signal. Once the interrupt signal is received, the second central processing unit 13 will immediately perform data reception. The program 131 even executes the data display program 131 next to process the electrocardiogram digitized data into electrocardiogram graphs or other graphs related to electrocardiogram for display on the man-machine output device 15, such as a monitor. The above-mentioned electrocardiogram is the display data for the display 15 .

The predetermined amount of data to be collected by the first central processing unit 11 can be flexibly adjusted. When the predetermined amount is adjusted to a smaller amount, the second central processing unit 13 will finish analyzing the data in a very short time, and then display the electrocardiogram graph or other graphs related to the electrocardiogram, so that the present invention The data processing electronic device 10 further has the capabilities of real-time data collection and real-time data analysis and processing.

Furthermore, when the second central processing unit 13 completes the data processing, the second central processing unit 13 can also actively request the first central processing unit 11 to transmit the digitized ECG data. The second central processing unit 13 can transmit the interrupt signal to the first central processing unit 11 to meet the request to transmit the digitized ECG data.

Although the electric power consumed by the second central processing unit 13 in the execution mode will be greater than that of the first central processing unit 11, but because the second central processing unit 13 has a strong computing power, it can complete the calculation in a very short time to obtain result, and then enters standby mode again. Therefore, in the case of economical power consumption, the data processing electronic device 10 can be equipped with the ability to present processing results quickly.

Furthermore, the data processing electronic device 10 further includes an external connector 16 for connecting to an external electronic device. The specific means of the external connector 16 can be a memory card connector, which is used for inserting the memory card 20 . In the execution mode, the second central processing unit 13 executes the data writing program to store the digitized ECG data or the corresponding ECG pattern in the memory card 20 . After completing the data writing process, the second central processing unit 13 then enters the standby mode again. The data writing program is an example program of one of the second programs 131 .

The external electronic device connected to the above-mentioned external connector 16 belongs to a remote electronic device, and its specific example may be a remote data processing system. According to this, the data processing electronic device 10 can transmit data through the transmission pipeline of the external connector 16, And transmit to the remote data processing system, and then the remote data processing system continues the processing operation of these data. Of course, the remote data processing system can also transmit data to the data processing electronic device 10 through the transmission pipeline of the external connector 16 .

Moreover, the data processing electronic device 10 further includes a human-machine input device 17 , such as at least one key, and the human-machine input device 17 is electrically connected to the second central processing unit 13 . The signals of the keys 17 are processed by the second CPU 13 . The second central processing unit 13 is instructed to execute some functions (Functions) by pressing the keys 17 . For example, after the button 17 labeled "Store" is pressed, the second central processing unit 13 executes the above-mentioned data writing program 131 . Another example is that after the button 17 marked as "Record" is pressed, the second central processing unit 13 will output an interrupt signal to the first central processing unit 11 through executing firmware, so that the first central processing unit 11 executes External data collection program 111 .

Furthermore, the data processing electronic device 10 may optionally include a power management circuit 18 electrically connected to the second CPU 13 . The power management circuit 18 is mainly used to manage the power supply of the second CPU 13 .

For the application example of detecting and processing the beating of the human heart disclosed above, the first program 111 is a pre-operation, and the second program 131 is a post-operation. The first program 111 and the second program 131 are related to each other.

The data processing electronic device 10 of the present invention notifies the other party to transfer from the standby mode to the execution mode by means of the central processors 11 and 13 transmitting interrupt signals. In the operating conditions of the data processing electronic device 10 in use, in all operating times, the execution time of the first program 111 occupies a large proportion of all operating time, and relatively, the execution time of the second program 131 only occupies a very small percentage of all operating time. Therefore, on the one hand, the present invention uses a low-power first central processing unit 11 to execute the first program 111, so that the data processing electronic device 10 can withstand long-term operation; on the other hand, the present invention uses a fast computing type first Two CPUs 13 are used to execute the second program 111, thus under effective power-saving control, the fast output of the data processing electronic device 10 can be exchanged.

The advantage of the data processing electronic device with dual central processors of the present invention is that it can withstand normal operation for a long time under the condition of overall power saving, which is where the advantages and efficacy of the present invention are improved.

The above application of detecting and processing the beating of the human heart is only used as an application example of the data processing electronic device of the present invention, and the present invention is not limited to the application disclosed above. Those of ordinary skill in the art can implement the data processing electronic device of the present invention in various applications according to the spirit disclosed in the present invention, and all such changes are within the scope of the present invention, and the scope of protection of the present invention should be viewed as attached The one defined in the patent scope of the application shall prevail.

Claims (21)

1. data processing electronic installation with two central processing units comprises:

One first central processing unit is a power type central processing unit, and is to be used for carrying out first program that needs the long execution time;

One second central processing unit is a central processing unit stronger than the computing power of this first central processing unit, and is to be used for carrying out second program that needs quick computing;

Wherein, this first central processing unit is to connect this second central processing unit, and this first central processing unit be output one look-at-me to this second central processing unit, thereby make this second central processing unit carry out this second program; This second central processing unit is exported a look-at-me to this first central processing unit, thereby makes this first central processing unit carry out this first program.

2. data processing electronic installation as claimed in claim 1, wherein, the state model of this second central processing unit is to comprise: an originate mode, an execution pattern, a standby mode.

3. data processing electronic installation as claimed in claim 2 wherein, is in second central processing unit in the standby mode, is after being used for receiving the look-at-me of this first central processing unit, and is transferred to this execution pattern.

4. data processing electronic installation as claimed in claim 1, wherein, this first program is to comprise: an extraneous data collection program.

5. data processing electronic installation as claimed in claim 4, wherein, when collected extraneous data arrived a scheduled volume, first central processing unit of this moment was exported this look-at-me to this second central processing unit, thereby makes this second central processing unit carry out this second program.

6. data processing electronic installation as claimed in claim 4, wherein, when this second central processing unit is finished the processing of these extraneous data, this second central processing unit is initiatively exported a look-at-me to this first central processing unit, gives this second central processing unit thereby make this first central processing unit carry out these extraneous data of transmission.

7. data processing electronic installation as claimed in claim 4, wherein, this first program further comprises: a man-machine attention program, thereby make that this this man-machine attention program of first central processing unit execution can be exported a sound or a light source is extremely extraneous, to allow this data processing electronic installation notify it to collect these extraneous data at present to the external world.

8. data processing electronic installation as claimed in claim 1, wherein, the state model of this first central processing unit comprises: an originate mode, an execution pattern, a standby mode.

9. data processing electronic installation as claimed in claim 8, wherein, when this second central processing unit was exported a look-at-me to this first central processing unit, this first central processing unit entered execution pattern.

10. data processing electronic installation as claimed in claim 8, wherein, after the complete all programs of this first central processing unit, this first central processor enters this standby mode automatically.

11. data processing electronic installation as claimed in claim 1, wherein, this second program comprises: a Data Receiving program.

12. data processing electronic installation as claimed in claim 1, wherein, this second program comprises: a data display program.

13. data processing electronic installation as claimed in claim 1, wherein, this second program comprises: a data write-in program.

14. data processing electronic installation as claimed in claim 1, wherein, this data processing electronic installation further comprises:

One man-machine output unit is to electrically connect this second central processing unit, and the video data of this man-machine output unit is by this second central processing unit processing and provides;

At least more than one human machine input device is to electrically connect this second central processing unit, and the signal of this human machine input device is to be handled by this second central processing unit;

One power management circuitry is to electrically connect this second central processing unit.

15. data processing electronic installation as claimed in claim 14, wherein, this man-machine output unit is a display.

16. data processing electronic installation as claimed in claim 14, wherein, this human machine input device is at least one button.

17. data processing electronic installation as claimed in claim 14, wherein, this data processing electronic installation further comprises: an aerial lug is to electrically connect this second central processing unit.

18. data processing electronic installation as claimed in claim 17, wherein, this aerial lug is a card connector.

19. data processing electronic installation as claimed in claim 17, wherein, this aerial lug is to be used for connecting a remote electronic device.

20. data processing electronic installation as claimed in claim 19, wherein, this remote electronic device is a remote data processing system.

21. data processing electronic installation as claimed in claim 2, wherein, after the complete all programs of this second central processing unit, this second central processing unit enters this standby mode automatically.

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