JPH02503607A - Improvements in or relating to microcomputers - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed description of the invention] In microcomputers, or improvements thereto This invention relates generally to microcombiners, and the terminology as used herein is Includes any element incorporating a central processing unit and memory means.

Background of the invention Microcomputers typically have peripherals, including, for example, additional memory blocks. A boat is provided with an end connector to allow attachment of the device. In general, and For example, to avoid collisions that would result in irreversible data loss, When the microcontroller is being attached to or removed from the connector. It is desirable that the computer is in a "blocked" state.

It is therefore known to mount the microswitches next to each other on the end connectors. However, it is activated by the movement of, for example, a pivoted flap. The microswitch may cause the computer's general Start blocking. There is thus a risk of data loss or other harmful effects. peripherals cannot be attached to and/or removed from the end connector. It is intended that it not be removed.

However, the general shutdown of the microcomputer is not achieved immediately upon its initiation. The general disconnection procedure is not completed despite the activation of the microswitch. Peripherals should not be installed and/or removed before It is still necessary that we should not. Therefore, the general interception procedure It is known to provide audible or other warning signals, but if If the signal is ignored, for example due to lack of understanding or impatience, data is lost. It might happen.

invention In accordance with one aspect of the invention, the central processing unit, memory means and peripheral devices are A microcomputer is provided having an end connector for attaching the end connector. Contact pads provide electrical interconnection between the microcomputer and peripheral devices. In combination with a peripheral device that has an array of connectors to establish a connection, , any other connector in the array and their corresponding end connector before contact with the head or removed, interrupted with other connectors in the array. The two contacts of the end connector must be connected before the contact between the end connector that is The array of connectors includes two connectors that are bridged to short the top pads. The microcomputer includes a circuit responsive to a short circuit between the two contact pads. For example, emergency shutdown of a microcomputer equipped with An immediate interruption similar to that which may be arranged as would occur in case of an abnormality. Ru. General blocking is not entirely satisfactory in protecting data, but it Avoid the risk of damage and remove more serious damage that may otherwise become irreversible. At least the necessary data will usually be saved.

Preferably, the invention as described above provides a microprocessor that initiates the preferred general shutdown procedure. Used in conjunction with known safety devices incorporating switches. If a general breaker When the connection is completed when a peripheral is installed or removed, Subsequent initiation of emergency shutdown will be pre-empted or If a general shutdown has already been completed, the circuit in the may be prepared to prohibit.

This invention is particularly applicable to CMOS type microcomputers; , one or more end connectors to allow the installation of additional memory blocks. It is particularly applicable to this type of microcomputer having a microcomputer.

This type of computer specifically, but not exclusively, has an additional memory block. It is often necessary to prepare the application of voltage to the Often important.

Accordingly, another aspect of the invention provides that the central processing unit, memory means and Surroundings for microcomputers with end connectors for mounting peripherals and peripherals. A side device is provided, the latter being an edge device of the connector that corresponds to the end connector contact pad. the latter is interconnected with a microcomputer, or When disconnected from the computer, the array of connectors is incorporated into a peripheral device. automatically performs the required sequence in applying or removing voltages to different circuits. Contains connectors with different effective lengths for dynamic effect.

A preferred device of the invention utilizes a combination of the two above-described aspects of the invention.

In this case, the length of the bridged section of the two connectors that causes the emergency disconnection preferably have corresponding contact pads on the end connector, but not on all other connectors / remains shorted until the contact pad interconnections are established sequentially; Only after the last of the connector/contact pad interconnections has been completed does the bridging In such a way that the shorted section ends and ovens the short circuit, and vice versa. be.

In both aspects of this invention, the peripheral array connectors have mechanically the same It is preferably provided to be of effective length. This will remove the "dead" connector area , by preparing over the "active 1 part" of it an electrical interconnection is established. enabled. In this way, the contact pads of the end connector can be For example, additional memory blocks are being installed or removed. Undesirable wear and/or abrasion can be avoided when Ru.

The preferred circuit provided in the microcombination unit is then periodically The generated interrupt (INT) and non-maskable interrupt (NM　I　) signals are centrally processed. This is the gate circuit that sends the signal to the control device. The NMI signal, as described so far, Occurs when two related contact pads of an end connector are shorted be done. The NMI signal ends when the short circuit is removed.

Description of examples Ll With reference to the attached drawings, the microcomputer and its Peripheral devices for are exemplified in the following description.

Figure 1 is a perspective view of a microcomputer, especially the peripheral equipment ports. and its end connectors and associated safety devices.

Figure 2a shows the microcomputer end connector and the microcomputer end connector. 1 is a diagrammatic plan view of a memory block circuit board adapted for connection to a connector; FIG.

Figure 2b is an end view of the end connector assembly.

1. Figure 2c shows one end face of the contact pad of the end connector in Figure 2b. It is a diagram.

FIG. 3 is a diagram of an emergency cut-off control circuit within the range of a microcommon store.

Referring to FIG. 1, a microcomputer 10 has a centrally mounted flap After opening 14, there is a port into which a peripheral device such as 15 can be inserted. It has an end connector 12 behind it.

The latter controls microswitch 17. The flap is opened in a known manner When the microswitch is activated, the microcomputer starts to shut down generally.

An audible warning signal is generated during the general shutdown procedure. For example, memory block 1 When a peripheral device such as 5 is attempted to be removed from the end connector, a general interruption occurs. Initiation by a microswitch can also be easily arranged. death However, in both cases, if for some reason the audible warning signal is ignored, , the installation or removal of peripheral devices while the general shutdown procedure is still occurring is avoided. I can't kick it.

According to this invention, if the general shutdown is to install an additional memory block or immediate emergency shutdown of the computer if not completed prior to the removal operation. fulfilled.

Referring to FIG. 2a, reference 20 indicates end connector 14 of microcomputer 10. reference 22 indicates the contact pad of the microcomputer in said end connector. A memory 24 adapted for interconnection with a computer (e.g. a peripheral device in FIG. 15 (which may be included within the range of 15).

The connectors 22 are effectively mechanically of the same length but separated or dead edge. an active or live internal region 32 that connects with the lead region 30 and the circuit board 24; have The active area 32 of the connector is of different suitably preselected lengths; Memory block 2 thereby when it is installed in a microcomputer Achieve the desired ordering of voltages applied to 4 and reverse the sequence for cutting. The same is true.

The three connectors, collectively referred to as 40, are located at their leading or outer ends. two of the three connectors are bridged together over the area, and two of the three connectors are It is also understood that allowing them to continue across their internal areas. obtain. A full bridge spanning three connectors is the shortest feature of the other connector 22. It extends inward to a point just inside the end of dynamic region 32 .

The effect of the well-bridged areas of the three connectors is that the memory block 24 is attached When the active area of any of the other connectors 22 and the corresponding contact Before any interconnection is established with the toppad 20, the microcomputer Contact pad 200 of end connector 12 and two contact pads 50, 52 is to short circuit, and when the memory block is removed, any such mutual The same is true before the connection is interrupted.

Figure 2b illustrates the end connector housing 42 with appropriately shaped contacts. The conductive protrusion 44 cooperates with the conductive core of the substrate 24. 3 illustrates how a limited conductive area is defined for attaching connector 22. FIG. 1 Two such contacts 46 are illustrated in more detail in FIG. 2c.

Referring now to FIG. It shows the two contact pads of the connector, which is used to install or install memory blocks. or temporarily shorted during the removal operation. Reference 54 provides a ground connection 56; and a third contact pad interconnected with contact pad 52 is shown. 3 The three contact pads 50, 52, 54 are the memory contacts shown heretofore with respect to FIG. This corresponds to the three connectors 40 of the block circuit board 24.

Immediately the contact pads 50, 52 become shorted and then periodically A gate array circuit 6 in which a generated interrupt (INT) signal is sent to a central processing unit 62. 0 is configured to provide a non-maskable interrupt (NMI) signal to the central processing unit. , initiates an immediate emergency shutdown of the microcomputer. Normal INT signal is is inhibited while tact pad 50.52 is shorted, which means periodic interrupts are shorted. This will avoid reactivating the system during a power outage.

Thereby, the memory block can be operated with the microcomputer through it. Establishing or disconnecting any of the other connector/contact pad interconnections that are connected. Avoid colliding with loss of valuable data and possible other damage before leaving It is certain that the microcomputer is in a shutdown state, as required for be done. Even if the general isolation procedure described with respect to Figure 1 has not been completed. Even so, this safe state is ensured.

On removal, the reverse procedure results, with the bridged pair 40 remaining contacts A corresponding pair of contacts 50 before discontinuing from the other connector of assembly 22. ．． It will be understood that 52 is again shorted.

Various modifications of the above device are possible within the scope of the invention defined above. In this regard , the invention can be used, for example, in automatic machines, such as those used in washing machines. It can be applied to microcomputer devices such as A programmed program that is inserted into an end connector provided in a It should again be understood that the circuit block is determined by the circuit block.

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Claims (7)

[Claims] 1. Contact pads for mounting central processing units, memory means and peripheral devices A microcomputer having an end connector with a card, the microcomputer being assembled with peripheral devices. the peripheral device is connected to the microcomputer at the contact pad of the end connector. an array of connectors for establishing electrical interconnections between a computer and peripheral devices and said array of connectors is inserted into the array with some other connector and they (or removed) before the contact between the corresponding end connector contact pad of the At the end, the contacts break between the other connectors in the array and the end connector pads. ), the two are bridged to short the two contact pads of the end connector. a connector, and the microcomputer can short-circuit the two contact pads. Initiating an emergency shutdown of the microcomputer thrown circuit means responsive to the A microcomputer featuring: 2. Microswitch that initiates a general shutdown procedure if a peripheral device is removed The microcomputer according to claim 1, further characterized by: 3. The application of voltage to peripheral devices must follow a specific sequence; The connectors in the array are of different effective lengths, the latter being peripherals when interconnected with a microcomputer or disconnected from a microcomputer. required in the application or removal of voltages to different circuits incorporated in the installation. Microphone according to claim 1 or 2, characterized in that the ordering is performed automatically. rocomputer. 4. The length of the bridged section of the two connectors that generates the emergency disconnection must be The contact pads on the end connector that such that they remain short-circuited until the interconnections are established sequentially. The bridged section is the end of the connector/contact pad interconnect. Characterized by opening said short circuit only after it is completed and vice versa The microcomputer according to claim 3. 5. The peripheral array connectors are mechanically of the same effective length and are "active" Contains the connector area and the ``dead'' connector area and extends beyond the ``active'' part of it. Any of the preceding claims characterized in that the electrical interconnection is established by A microcomputer described in Crab. 6. Then there are the regularly occurring interrupts (INT) and non-maskable interrupts (NM). I) The signal is sent to the central processing unit and the NMI signal is sent to the two associated components of the end connector. generated when the contact pad is short-circuited and terminated when said short-circuit is removed; A microcontroller according to any of the preceding claims, further characterized by a gate circuit. computer. 7. Constructed to operate substantially as described herein in connection with the accompanying drawings. Microcomputers and peripherals that are installed, arranged and adapted.