TW550451B - Programmable power-on system and method for central processing unit - Google Patents

Abstract

A programmable power-on system for a central processing unit and a method of the same are provided, wherein the programmable power-on system includes: a power-down confirming unit, a power-on mode selecting unit, and a memory unit for storing a main control program, which is provided with an interrupt service queue command and a direct power-on command. When the central processing unit is in a power-down mode, mode-confirmation data are written into the power-down confirming unit, and then selection data are written into the power-on mode selecting unit. When the central processing unit receives an interrupt signal, the main control program reads a command corresponding to the selection data so as to implement a power-on mode. This is therefore of greater selectivity and operational efficiency than the prior art.

Description

550451 V. Description of the invention (l) [Invention domain_domain] The present invention relates to two kinds of programmable electronic signal processing technologies, especially related to the provision of the system when the province enters the province = Li Zaofan. System and its method, when restarting after interrupting the servo sequence, it will enter the mode when it is restarted to provide the use of ΐϋ; direct startup after interrupting the sequence of the temple service [Background of the invention] ^ Also: two (CPU) *-an electronic The integrated circuit of a circuit, a circuit that processes, controls, and stores information. Various controls in operation, input / output and connected storage. The 5 units are saved and executed by the central processing unit. If the computer is in the standby state, the unit will be in the power saving mode (ρ_ — _Ⅱ:: Input from an external device (such as a keyboard and a mouse) is received. The interruption message is straight: it will be turned on (power or O restarts, and continues to execute the program interrupted by entering the power-saving vibration 1 丄.) The formula is: while the 'two unified on: the program is when the central processing unit receives = J Then 't first enter-interrupt the feeding sequence ", execute the following:" The interrupted content in the sequence ", and then continue the operation before the power saving mode (4 X order: half of the application), but: this kind of The mode of operation is relatively wavy:: Selectively 'Even if the interrupt content in the interrupt sequence is empty (em t;') and :: The central processor still executes this program, and then executes 2 hours before the interrupt. , Which in turn affects the overall operation of the system [Invention Summary]

16609.ptd Page 5 550451 V. Description of the invention (2) In view of the disadvantages of the above-mentioned conventional technology, the main purpose of the present invention is to provide a system and method for selectively restarting a programmable central processing unit. Another object of the present invention is to provide a system and method for restarting the programmable central processing unit which is more time-saving and efficient. In order to achieve the above object, the main feature of the present invention is to establish a programmable restart system of the central processing unit. The restart system includes: a power saving mode confirmation unit for receiving the central processing unit into the power saving mode. When the state is written, a certain state data is written, and it is determined that the central unit I is in a power saving mode; a startup mode selection unit is used to receive a selection data when the central processing unit enters the power saving mode to determine Re-opening procedure; and a memory unit storing a main control program, the main control program including an interrupted servo sequence execution instruction and a direct start execution instruction, which receives the selection data to respond to the corresponding instruction in the main control program The reading is performed. Therefore, when an interrupt signal is input to the central processing unit, a corresponding opening step is performed according to the read instruction content. According to the above system, the method for restarting the programmable central processing unit of the present invention includes: before the central processing unit enters the power saving mode, first, the central processing unit writes a selection data to the startup mode selection unit. To determine the open command to be read; then, the central processing unit writes the determined status data to the power saving mode confirmation unit; finally, when the central processing unit receives an interrupt signal, the main control program is based on the selection The data reads the corresponding instructions, and updates them according to the contents of the read instructions.

16609.ptd Page 6 550451 V. Description of the invention (3) The corresponding power on mode. Therefore, the restarting system and method of the programmable central processing unit of the present invention provide a starting mode selection unit for the central processing unit to write selection data and provide different opening instructions in the memory unit, so that the user can select different The open mode is more selective than the conventional one. In addition, a direct start mode is provided. To solve the problem, the user needs to enter the interrupt servo sequence before performing the actions before entering the power saving mode. The restart process saves time. It is also more efficient than the entire system. [Inventive Embodiment] The following describes the preferred embodiments of the restart method and the device of the central processing unit according to the present invention in detail with the first and second figures of the drawings. Figure 1 shows the application architecture and internal architecture of the restartable system of the programmable central processing unit of the present invention. The system roughly includes a power saving mode confirmation unit 2, a startup mode selection unit 3, and a memory unit 4. The power saving mode confirmation unit 2 in this embodiment refers to a status register, which is connected to the central processing unit 1 to receive a confirmation when the central processing unit 1 enters a power-off state. Status data; the determined status data refers to a binary value of 0 or 1, which indicates that the central processing unit 1 is in a power down state or a power on state. The startup mode selection unit 3 also refers to a status register in this embodiment, which is connected to the central processing unit 1.

16609.ptd Page 7 550451 V. Description of the invention (4) To receive when the central processing unit 1 enters the power saving mode state, write a selection data; the selection data also refers to a binary value of 0 or 1, use To correspond to the desired opening mode. The memory unit 4 in this embodiment refers to a random access memory (RAM), which stores a main control program 40. The main control program 40 contains an interrupt servo sequence execution instruction 41 corresponding to the selected data and a direct start. Execution instruction 42, wherein the main control program 40 can read the corresponding execution instruction (interrupt servo sequence execution instruction 41 or directly start execution instruction 4 2) according to the selection data of the startup mode selection unit 3. According to the read instruction, the corresponding power on step may be performed. In actual operation, before the central processing unit 1 is in a power down mode, the central processing unit 1 first writes a selection data into the startup mode selection unit 3 to determine a program to be started; then, write Enter a certain status data into the power saving mode confirmation unit 2 to notify the central processing unit 3 to enter the power saving mode. When the central processing unit 1 receives an interrupt signal from an external (such as a keyboard, a mouse), the main control program 40 reads the corresponding execution instruction according to the selected data, and according to the read instruction content Perform the corresponding power on step. Please refer to FIG. 2, which is a schematic flowchart of the restart method of the central processing unit of the present invention. In step S, the central processing unit writes a selection data to the startup mode selection unit. In this embodiment, it refers to the central processing unit. The processing unit inputs a binary value whose selection data is 0 or 1 into another state register to correspond to the opening mode to be selected. Step S, the central processing unit writes the determined status data to the province

16609.ptd Page 8 55〇45l V. Description of Invention (5)! Ξ ϊ Confirmation unit. In this embodiment, it means that the central processing unit rotates and operates as a binary value of status data of 0 or 1 into the status register, and notifies the central processing unit to enter the power saving mode, and then the central processing unit ^ enters the power saving Mode (p0werdown). The corpse is hired in step S. When the central processing unit receives an interruption signal from an external rotation, it controls the main control program to read the selection data, and the main control program reads the corresponding instruction according to the selection data. . 'Step S r reads the servo sequence execution instruction, and executes the interrupt service sequence mode (INT Service queue), that is, the interrupt content in the interrupt servo sequence is read first, and then the power saving mode (p〇wer down) is performed. Actions (such as running programs). Step s5: Read the direct start instruction and perform the direct start mode, that is, directly perform the action of the power saving mode (such as the program under execution). In summary, the present invention provides a restartable system and method for a programmable central processing unit, and provides a programmable start-up system for users with different choices of start-up (P0WerOn) methods. Allows the user to select the corresponding restart mode as required. And provide a direct start fork type, the solution needs to enter the procedure before interrupting the servo sequence "a_), restart process: two; type is more efficient for the operation of the entire system. Also known as t-gate-the above The description is only a preferred embodiment of the present invention, and is not intended to limit the technical entity or method, if it is related to the following 4 special elements:

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16609.ptd Page 10 550451 Brief description of the drawings [Brief description. The following is a detailed description of the features and effects of the present invention with a better implementation in conjunction with the attached drawings: Figure 1 is the programmable center of the present invention A block diagram of a preferred embodiment of a restart system of a processing unit; FIG. 2 is a flowchart of a preferred embodiment of a restartable method of a programmable central processing unit according to the present invention; [Schematic labeling] 1 Central processing unit 2 Power saving mode confirmation unit 3 Start mode selection unit 4 Memory unit 40 Master program 41 Interrupt servo sequence execution instruction 4 2 Direct start execution instruction

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Claims (1)

550451 6. Scope of patent application 1. A programmable restart system of a central processing unit, comprising: a power saving mode confirmation unit for receiving a certain status data when the central processing unit enters the power saving mode state,俾 Make sure that the central processing unit is in a power-off state; a start-up mode selection unit for receiving a selection data written when the central processing unit enters a power-off state to determine a selected opening procedure; and a memory unit storing a A main control program, and the main control program includes an interrupted servo sequence execution instruction and a direct start execution instruction, which can be controlled according to the central processing unit to read the corresponding instruction according to the selected data. Therefore, when an interrupt signal is input After reaching the central processing unit, the corresponding power on mode is performed according to the read instruction content. 2. The restartable system of the programmable central processing unit as described in item 1 of the scope of the patent application, wherein the power saving mode confirmation unit is a status register. 3. The restartable system of the programmable central processing unit as described in item 1 of the scope of patent application, wherein the determined status data refers to a binary value. 4 · The restartable system of the programmable central processing unit as described in item 1 of the scope of patent application, wherein the startup mode selection unit is a status register. 5 · Programmable central processing unit as described in item 1 of the scope of patent application 16609.ptd Page 12 550451 6. Scope of Patent Application Restart the system, where the memory unit is a random access memory (RAM). 6 The restartable system of the programmable central processing unit as described in item 1 of the scope of patent application, wherein the open mode is one of an interrupt servo sequence mode (INT Service queue) and a direct open mode-〇7. — A method for restarting a programmable central processing unit includes: the central processing unit writes a selection data to the startup mode selection unit to determine an opening instruction to be read; the central processing unit writes determination status data to The power-saving mode confirmation unit enters the power-saving mode state; the central processing unit receives an interrupt signal, that is, the control main program reads the corresponding command according to the selected data, and responds according to the content of the read command. Power on mode. 8. The restart method of the programmable central processing unit as described in item 1 of the scope of patent application, wherein the open mode is one of an interrupt service sequence mode (INT Service queue) and a direct open mode 16609.ptd Page 13