JPH0325957U

JPH0325957U -

Info

Publication number: JPH0325957U
Application number: JP8401189U
Authority: JP
Priority date: 1989-07-19
Filing date: 1989-07-19
Publication date: 1991-03-18

Description

[Brief explanation of the drawing]

第１図乃至第４図はこの考案に係る仕様設定回
路の実施例を示し、第１図は回路図、第２図は３
個の抵抗の状態を示した電圧設定表、第３図は４
ビツトの仕様データを示した説明図、第４図は第
３図の動作を表わしたフローチヤートである。第
５図乃至第７図は従来例を示し、第５図は回路図
、第６図は第５図の論理値表、第７図はキーマト
リツクスを用いた設定回路図である。主な符号の説明、１……マイクロコンピユータ
、２……マイクロコンピユータのアナログ入力ポ
ート、Ｐ０〜Ｐ３……入力ポート、Ｒ１〜Ｒ４…
…抵抗器。 1 to 4 show an embodiment of the specification setting circuit according to this invention, FIG. 1 is a circuit diagram, and FIG.
Voltage setting table showing the status of each resistor, Figure 3 is 4
FIG. 4 is an explanatory diagram showing bit specification data, and FIG. 4 is a flowchart showing the operation of FIG. 3. 5 to 7 show conventional examples, where FIG. 5 is a circuit diagram, FIG. 6 is a logic value table of FIG. 5, and FIG. 7 is a setting circuit diagram using a key matrix. Explanation of main symbols, 1...Microcomputer, 2...Analog input port of microcomputer, P0-P3...Input port, R1-R4...
…Resistor.

補正平１．１１．１３図面の簡単な説明を次のように補正する。明細書、第９頁５行目の「状態を示した電圧設
定表、」と記載があるのを「状態の電圧設定を示
した図表、」と補正する。明細書、第９頁９行目の「論理値表、」と記載
があるのを「論理値を示した図表、」と補正する
。Amendment 1.11.13. The brief description of the drawing is amended as follows. In the specification, page 9, line 5, the statement ``voltage setting table showing the status,'' has been corrected to ``chart showing the voltage setting of the status.'' In the specification, page 9, line 9, the statement "logical value table" is corrected to "diagram showing logical values."

Claims

[Claims for Utility Model Registration] In a specification setting circuit that can generate a plurality of specification data by supplying a plurality of setting voltages to an input port of a microcomputer from a voltage setting circuit consisting of a plurality of resistors, the above-mentioned A specification setting circuit characterized in that a voltage setting circuit consisting of at least three resistors is provided for one input port of a microcomputer to configure a plurality of specification data.