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參數(shù)資料
| 型號(hào)： | S-3531A |
| 廠商： | Seiko Instruments Inc. |
| 英文描述： | CMOS Real-Time Clock IC Supporting an IIC-Bus(支持IIC-BUS的CMOS實(shí)時(shí)時(shí)鐘芯片) |
| 中文描述： | CMOS實(shí)時(shí)時(shí)鐘IC支持一個(gè)IIC總線（支持IIC總線的實(shí)時(shí)時(shí)鐘芯片的CMOS） |
| 文件頁(yè)數(shù)： | 28/31頁(yè) |
| 文件大?。?/td> | 185K |
| 代理商： | S-3531A |
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27
Collection of Product FAQs
Author: Shirai Masaaki
Date: 99/04/16 (Friday) 18:20 (modified: 99/04/16(Friday))
<Information level>
A:
Public (Printing O.K.)
Index:
B: General
<Product>
Division name: 01 IC
Category 1:
17 ASSP
Category 2:
2. Real-Time Clock
Product name: Overall
Related documents:
Question:
What are the notes for time settings (S3511/S3530/S3531)
Answer:
If time data is rewritten in a product with an alarm interrupt (S-3511/S-3530/S-3531), be sure to disable
the alarm interrupt before the time is set.
Reason: When data is written using real-time data access 2, registers for hours, minutes, and seconds
are reset (all “0”’s), and arbitrary hours, minutes, and seconds are then set. If the alarm is set for 0:00
a.m. and the alarm interrupt is enabled, when the time data is rewritten the registers are reset (all “0”’s)
to 0:00 a.m., the set alarm time, thereby causing an interrupt (INT).
<Remarks>
FAQ No.: 17S35004
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