JPH026323U - - Google Patents
Info
- Publication number
- JPH026323U JPH026323U JP8323188U JP8323188U JPH026323U JP H026323 U JPH026323 U JP H026323U JP 8323188 U JP8323188 U JP 8323188U JP 8323188 U JP8323188 U JP 8323188U JP H026323 U JPH026323 U JP H026323U
- Authority
- JP
- Japan
- Prior art keywords
- system reset
- control circuit
- synchronization
- read
- issues
- 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
- 238000010586 diagram Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 1
Description
第１図はこの考案の一実施例によるシステムリ
セツト制御回路のブロツク図、第２図は第１図の
システムリセツト発生タイミング図、第３図は従
来のシステムリセツト制御回路のブロツク図、第
４図は第３図のシステムリセツト発生タイミング
図である。
図において、１……ＡＣ入力、２……パワーダ
ウン検出部、３……同期化システムリセツト発生
部、４……ＣＰＵ部、５……バツテリバツクアツ
プメモリ。なお、図中、同一符号は同一、又は相
当部分を示す。
FIG. 1 is a block diagram of a system reset control circuit according to an embodiment of this invention, FIG. 2 is a timing diagram of system reset occurrence in FIG. 1, FIG. 3 is a block diagram of a conventional system reset control circuit, and FIG. is a system reset generation timing diagram of FIG. 3; In the figure, 1...AC input, 2...Power down detection section, 3...Synchronization system reset generation section, 4...CPU section, 5...Battery backup memory. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.
Claims (1)
らのリード信号等のリードサイクルを示す信号に
同期化してシステムリセツトを発行するようにし
たことを特徴とするシステムリセツト制御回路。 A system reset control circuit that issues a system reset in response to a system reset issue request in synchronization with a signal indicating a read cycle such as a read signal from a CPU section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8323188U JPH026323U (en) | 1988-06-22 | 1988-06-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8323188U JPH026323U (en) | 1988-06-22 | 1988-06-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH026323U true JPH026323U (en) | 1990-01-17 |
Family
ID=31307957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8323188U Pending JPH026323U (en) | 1988-06-22 | 1988-06-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH026323U (en) |
-
1988
- 1988-06-22 JP JP8323188U patent/JPH026323U/ja active Pending
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