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DE3704319A1 - Arrangement for programming a read-only memory - Google Patents

Arrangement for programming a read-only memory

Info

Publication number
DE3704319A1
DE3704319A1 DE19873704319 DE3704319A DE3704319A1 DE 3704319 A1 DE3704319 A1 DE 3704319A1 DE 19873704319 DE19873704319 DE 19873704319 DE 3704319 A DE3704319 A DE 3704319A DE 3704319 A1 DE3704319 A1 DE 3704319A1
Authority
DE
Germany
Prior art keywords
memory
read
programming
arrangement
contact pins
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
DE19873704319
Other languages
German (de)
Inventor
Wolfgang Reisch
Heinz-Friedrich Ohm
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mannesmann VDO AG
Original Assignee
Mannesmann VDO AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mannesmann VDO AG filed Critical Mannesmann VDO AG
Priority to DE19873704319 priority Critical patent/DE3704319A1/en
Publication of DE3704319A1 publication Critical patent/DE3704319A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/22—Secondary treatment of printed circuits
    • H05K3/28—Applying non-metallic protective coatings
    • H05K3/284—Applying non-metallic protective coatings for encapsulating mounted components
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C16/00—Erasable programmable read-only memories
    • G11C16/02—Erasable programmable read-only memories electrically programmable
    • G11C16/06—Auxiliary circuits, e.g. for writing into memory
    • G11C16/10—Programming or data input circuits
    • G11C16/102—External programming circuits, e.g. EPROM programmers; In-circuit programming or reprogramming; EPROM emulators
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C17/00—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards
    • G11C17/14—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards in which contents are determined by selectively establishing, breaking or modifying connecting links by permanently altering the state of coupling elements, e.g. PROM
    • G11C17/18—Auxiliary circuits, e.g. for writing into memory
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C5/00—Details of stores covered by group G11C11/00
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/22—End caps, i.e. of insulating or conductive material for covering or maintaining connections between wires entering the cap from the same end
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/09—Shape and layout
    • H05K2201/09818—Shape or layout details not covered by a single group of H05K2201/09009 - H05K2201/09809
    • H05K2201/09872—Insulating conformal coating
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10227—Other objects, e.g. metallic pieces
    • H05K2201/10295—Metallic connector elements partly mounted in a hole of the PCB
    • H05K2201/10303—Pin-in-hole mounted pins
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
    • H05K2203/30—Details of processes not otherwise provided for in H05K2203/01 - H05K2203/17
    • H05K2203/304—Protecting a component during manufacturing

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Storage Device Security (AREA)

Abstract

In an arrangement for programming a read-only memory which is permanently connected to a circuit containing a microcomputer, means (contact device) being provided for connecting the terminals of the read-only memory to a programming unit and the circuit containing electric means for isolating the read-only memory from the microcomputer, the means for connecting the terminals of the read-only memory to a programming unit comprise contact pins which can be covered by protective caps. The contact pins are preferably wire-wrapping posts.

Description

Die Erfindung betrifft eine Anordnung zum Program­ mieren eines Festwertspeichers, der fest mit einer einen Mikrocomputer beinhaltenden Schaltung verbun­ den ist, wobei Mittel (Kontaktvorrichtung) zur Ver­ bindung der Anschlüsse des Festwertspeichers mit einem Programmiergerät vorgesehen sind und die Schal­ tung elektrische Mittel zur Entkopplung des Fest­ wertspeichers von dem Mikrocomputer enthält (P 35 32 744.8).The invention relates to an arrangement for the program mieren a read-only memory that is fixed with a a circuit including a microcomputer is, whereby means (contact device) for ver binding of the connections of the read-only memory with a programming device are provided and the scarf device electrical means for decoupling the festival value memory from the microcomputer (P 35 32 744.8).

Aufgabe der vorliegenden Erfindung ist es, eine Anordnung der eingangs genannten Art anzugeben, bei welcher die Mittel zur Verbindung der Anschlüsse des Festwertspeichers mit einem Programmiergerät preis­ wert herzustellen sind und auch dann zugänglich sind, wenn die Schaltung mit einem Schutzlack verse­ hen ist. The object of the present invention is a Specify an arrangement of the type mentioned at the beginning which is the means for connecting the terminals of the Read-only memory with a programming device price worth producing and then accessible are when the circuit verse with a protective varnish hen is.  

Die Erfindung ist dadurch gekennzeichnet, daß die Mittel zur Verbindung der Anschlüsse des Festwert­ speichers mit einem Programmiergerät aus Kontaktstif­ ten bestehen, welche mit Schutzkappen abdeckbar sind.The invention is characterized in that the Means for connecting the fixed value connections memory with a programming device from contact pin ten, which can be covered with protective caps are.

Eine Weiterbildung der Erfindung besteht darin, daß die Kontaktstifte Drahtwickelpfosten sind.A further development of the invention is that the contact pins are wire winding posts.

Die Erfindung läßt zahlreiche Ausführungsformen zu. Eine davon ist schematisch in der Zeichnung darge­ stellt und nachfolgend beschrieben.The invention allows numerous embodiments. One of them is shown schematically in the drawing represents and described below.

Die Zeichnung stellt einen Schnitt durch einen Teil einer erfindungsgemäßen Anordnung dar, soweit er zur Erläuterung der vorliegenden Erfindung erforderlich ist. Auf einer Leiterplatte 1 sind ein Mikrocomputer 2 und verschiedene andere die Schaltung darstellende elektronische Bauelemente 3, 4 aufgebracht und in an sich bekannter Weise mit Leiterbahnen 5, 6 kontak­ tiert. Die Schaltung kann beispielsweise Teil eines elektronischen Steuergerätes eines Kraftfahrzeugs sein und ist zum Schutz gegen Umwelteinflüsse mit einem Schutzlack 7 überzogen.The drawing shows a section through part of an arrangement according to the invention, insofar as it is necessary to explain the present invention. On a circuit board 1 , a microcomputer 2 and various other electronic components 3 , 4 representing the circuit are applied and in a manner known per se with conductor tracks 5 , 6 are contacted. The circuit can be part of an electronic control unit of a motor vehicle, for example, and is coated with a protective lacquer 7 for protection against environmental influences.

Wie im Hauptpatent erläutert, ist eine Programmie­ rung eines Festwertspeichers nach der Herstellung der dargestellten Schaltung vorteilhaft oder gar not­ wendig, wozu Mittel zur Verbindung der Anschlüsse des Festwertspeichers 8 mit einem nicht dargestell­ ten Programmiergerät vorgesehen sind. Erfindungsge­ mäß dienen dazu Kontaktstifte 9, vorzugsweise Draht­ wickelpfosten, von denen in der Zeichnung lediglich vier dargestellt sind. Beim Überziehen der Schaltung mit dem Schutzlack 7 sind die Kontaktstifte 9 durch eine Schutzkappe 10 abgedeckt, welche zur Programmie­ rung entfernt werden kann.As explained in the main patent, a programming of a read-only memory after the manufacture of the circuit shown is advantageous or even not necessary, for which means for connecting the connections of the read-only memory 8 with a programming device (not shown) are provided. According to the invention serve pins 9 , preferably wire winding posts, of which only four are shown in the drawing. When coating the circuit with the protective lacquer 7 , the contact pins 9 are covered by a protective cap 10 , which can be removed for programming purposes.

Bei dem dargestellten Ausführungsbeispiel sind die Kontaktstifte 9 in einer Reihe angeordnet und durch eine Kunststoffleiste 11 miteinander zu einem Mehr­ fach-Stecker verbunden. Je nach Erfordernissen, die sich unter anderem durch die geometrische Anordnung der Leiterbahnen ergeben, können jedoch auch einzel­ ne Kontaktstifte verwendet werden. Entsprechend ist die Verwendung von Schutzkappen möglich, welche je­ weils nur einen Kontaktstift abdecken.In the illustrated embodiment, the contact pins 9 are arranged in a row and connected to one another by a plastic strip 11 to form a multiple plug. Depending on the requirements, which result, among other things, from the geometric arrangement of the conductor tracks, individual contact pins can also be used. Accordingly, the use of protective caps is possible, each of which only covers one contact pin.

Claims (2)

1. Anordnung zum Programmieren eines Festwertspei­ chers, der fest mit einer einen Mikrocomputer be­ inhaltenden Schaltung verbunden ist, wobei Mittel (Kontaktvorrichtung) zur Verbindung der Anschlüsse des Festwertspeichers mit einem Programmiergerät vorgesehen sind und die Schaltung elektrische Mittel zur Entkopplung des Festwertspeichers von dem Mikro­ computer enthält (P 35 32 744.8), dadurch gekenn­ zeichnet, daß die Mittel zur Verbindung der Anschlüs­ se des Festwertspeichers (8) mit einem Programmier­ gerät aus Kontaktstiften (9) bestehen, welche mit Schutzkappen (10) abdeckbar sind.1. Arrangement for programming a read-only memory, which is permanently connected to a circuit containing a microcomputer, means (contact device) for connecting the connections of the read-only memory to a programming device and the circuit electrical means for decoupling the read-only memory from the micro computer contains (P 35 32 744.8), characterized in that the means for connecting the connections of the read-only memory ( 8 ) with a programming device consist of contact pins ( 9 ) which can be covered with protective caps ( 10 ). 2. Anordnung nach Anspruch 1, dadurch gekennzeich­ net, daß die Kontaktstifte Drahtwickelpfosten (9) sind.2. Arrangement according to claim 1, characterized in that the contact pins are wire winding posts ( 9 ).
DE19873704319 1987-02-12 1987-02-12 Arrangement for programming a read-only memory Withdrawn DE3704319A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19873704319 DE3704319A1 (en) 1987-02-12 1987-02-12 Arrangement for programming a read-only memory

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19873704319 DE3704319A1 (en) 1987-02-12 1987-02-12 Arrangement for programming a read-only memory

Publications (1)

Publication Number Publication Date
DE3704319A1 true DE3704319A1 (en) 1988-08-25

Family

ID=6320800

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19873704319 Withdrawn DE3704319A1 (en) 1987-02-12 1987-02-12 Arrangement for programming a read-only memory

Country Status (1)

Country Link
DE (1) DE3704319A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0998176A2 (en) * 1998-10-29 2000-05-03 Robert Bosch Gmbh Controllers programming in closed casing

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0998176A2 (en) * 1998-10-29 2000-05-03 Robert Bosch Gmbh Controllers programming in closed casing
EP0998176A3 (en) * 1998-10-29 2000-12-27 Robert Bosch Gmbh Controllers programming in closed casing

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Legal Events

Date Code Title Description
8139 Disposal/non-payment of the annual fee