JPH0444749U - - Google Patents
Info
- Publication number
- JPH0444749U JPH0444749U JP1990087184U JP8718490U JPH0444749U JP H0444749 U JPH0444749 U JP H0444749U JP 1990087184 U JP1990087184 U JP 1990087184U JP 8718490 U JP8718490 U JP 8718490U JP H0444749 U JPH0444749 U JP H0444749U
- Authority
- JP
- Japan
- Prior art keywords
- input
- data
- fifo memory
- output signal
- interface circuits
- 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.)
- Pending
Links
Landscapes
- Detection And Prevention Of Errors In Transmission (AREA)
- Maintenance And Management Of Digital Transmission (AREA)
- Hardware Redundancy (AREA)
Description
第1図は、この考案の一実施例を示す回路の構
成図、第2図は従来の回路を示す構成図である。
図において、1はイネーブル信号、2はデータ
信号、3はクロツク信号、4は入力インタフエー
ス回路、5はEN、6はDATA、7はCLK、
8は誤り検出回路、9はDET信号、10はOR
ゲート、11はFIFOメモリ、12はリードク
ロツク発生回路、13はリードクロツク信号、1
4aはDATA3、14aはDATA4、15は
セレクトデータ、16はリセツト信号、17はプ
ライオリテイエンコーダ回路、18はセレクト信
号、19はセレクタ回路である。なお、図中同一
符号は同一または相当部分を示す。
FIG. 1 is a block diagram of a circuit showing an embodiment of this invention, and FIG. 2 is a block diagram showing a conventional circuit. In the figure, 1 is an enable signal, 2 is a data signal, 3 is a clock signal, 4 is an input interface circuit, 5 is EN, 6 is DATA, 7 is CLK,
8 is an error detection circuit, 9 is a DET signal, 10 is an OR
gate, 11 is a FIFO memory, 12 is a read clock generation circuit, 13 is a read clock signal, 1
4a is DATA3, 14a is DATA4, 15 is select data, 16 is a reset signal, 17 is a priority encoder circuit, 18 is a select signal, and 19 is a selector circuit. Note that the same reference numerals in the figures indicate the same or corresponding parts.
Claims (1)
とデータとクロツクを入力する複数のインタフエ
ース回路と、上記複数のインタフエース回路それ
ぞれにつながりデータの誤りを検出する誤り検出
回路と、上記の複数誤り検出回路出力信号の出力
をエンコードするプライオリテイエンコーダと、
上記入力データを蓄積するFIFOメモリと、上
記複数の入力インタフエース回路の出力と入力デ
ータを蓄積したFIFOメモリの出力を上記プラ
イオリテイエンコーダの出力信号によつて制御さ
れるセレクタと、上記プライオリテイエンコーダ
の出力信号によつてFIFOメモリのデータを読
み出すリードクロツク発生回路とで構成された入
力信号選択回路。 A plurality of interface circuits that input enable signals, data, and clocks input from a plurality of external devices, an error detection circuit that is connected to each of the plurality of interface circuits and detects data errors, and the plurality of error detection circuits described above. a priority encoder that encodes the output of the output signal;
a FIFO memory that stores the input data; a selector that selects the outputs of the plurality of input interface circuits and the output of the FIFO memory that stores the input data; and a selector that is controlled by an output signal of the priority encoder; and a read clock generation circuit that reads data from the FIFO memory using the output signal of the input signal selection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990087184U JPH0444749U (en) | 1990-08-21 | 1990-08-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990087184U JPH0444749U (en) | 1990-08-21 | 1990-08-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0444749U true JPH0444749U (en) | 1992-04-16 |
Family
ID=31819326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990087184U Pending JPH0444749U (en) | 1990-08-21 | 1990-08-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0444749U (en) |
-
1990
- 1990-08-21 JP JP1990087184U patent/JPH0444749U/ja active Pending
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