JPH01146189U - - Google Patents
Info
- Publication number
- JPH01146189U JPH01146189U JP4197688U JP4197688U JPH01146189U JP H01146189 U JPH01146189 U JP H01146189U JP 4197688 U JP4197688 U JP 4197688U JP 4197688 U JP4197688 U JP 4197688U JP H01146189 U JPH01146189 U JP H01146189U
- Authority
- JP
- Japan
- Prior art keywords
- timer
- lsi
- detection device
- time information
- reference signal
- 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
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Electric Clocks (AREA)
- Measurement Of Predetermined Time Intervals (AREA)
- Debugging And Monitoring (AREA)
- Electronic Switches (AREA)
Description
第１図は、本考案によるタイマＬＳＩの暴走検
知装置の一実施例を説明するブロツク図、第２図
は、同装置の内部を示す仮想的回路ブロツク図、
第３図は、同装置の動作を示すフローチヤートで
ある。
１……ＣＰＵ、１ａ……計数手段、１ｂ……時
間設定部、１ｃ……比較手段、１ｄ……時間取込
手段、１ｅ……書込手段、２……インターバルタ
イマ、３……タイマＬＳＩ、３ａ……ＲＡＭ、Ｒ
ＥＦ……基準信号、ＴＩＭ……時間情報。
FIG. 1 is a block diagram illustrating an embodiment of a timer LSI runaway detection device according to the present invention, and FIG. 2 is a virtual circuit block diagram showing the inside of the device.
FIG. 3 is a flowchart showing the operation of the device. 1...CPU, 1a...Counting means, 1b...Time setting section, 1c...Comparison means, 1d...Time acquisition means, 1e...Writing means, 2...Interval timer, 3...Timer LSI , 3a...RAM, R
EF...Reference signal, TIM...Time information.
Claims (1)
基準信号と、タイマＬＳＩが出力する時間情報と
を所定時間毎比較する手段を備えたことを特徴と
するタイマＬＳＩの暴走検知装置。 A runaway detection device for a timer LSI, comprising means for comparing a reference signal such as a clock signal or an interval timer with time information output by the timer LSI at predetermined intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4197688U JPH01146189U (en) | 1988-03-31 | 1988-03-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4197688U JPH01146189U (en) | 1988-03-31 | 1988-03-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01146189U true JPH01146189U (en) | 1989-10-09 |
Family
ID=31268402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4197688U Pending JPH01146189U (en) | 1988-03-31 | 1988-03-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01146189U (en) |
-
1988
- 1988-03-31 JP JP4197688U patent/JPH01146189U/ja active Pending
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