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參數(shù)資料
| 型號： | DS1682S+T&R |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 13/14頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC TIMEKEEPER ALARM ELAPSE 8SOIC |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 2,500 |
| 類型： | 耗用時間計數(shù)器 |
| 特點： | 警報器，EEPROM |
| 存儲容量： | 10B |
| 時間格式： | 二進制 |
| 數(shù)據(jù)格式： | 二進制 |
| 接口： | I²C，2 線串口 |
| 電源電壓： | 2.5 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-SOIC（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 8-SOIC |
| 包裝： | 帶卷 (TR) |
Event Logging
When the DS1682 is powered up, the event time and
count values recorded in the EEPROM are transferred to
the ETC and event counter, and the device waits for an
event. When an event triggers the input by transitioning
the EVENT pin from a low to a high level, the following
occurs:
1) The RC oscillator starts.
2) The alarm, ETC, and event counter are transferred
from EEPROM to RAM.
3) Note: Reading the RAM during the transfer results in
invalid data.
4) After tES, the ETC increments. An event greater than
tG but less than tES increments the event counter, but
not the ETC (zero-length event).
5) The ETC increments every tEI. The ETC holds time in
quarter-second resolution.
6) When the EVENT pin goes low, the event counter
increments, the oscillator stops, and the ETC and
event counter are transferred to EEPROM. The 2-wire
bus is not available for tEW.
The ETC stops counting and does not roll over once
FFFFFFFFh, or approximately 34 years, is reached. See
Figure 5 for timing.
Device Setup
Once installed in a system, the DS1682 can be pro-
grammed to record events as required by the application,
and can be tested by generating events and monitoring
the results. Afterwards, it can be “l(fā)ocked” to prevent
alteration of the event and alarm registers and the alarm
condition.
The following is a typical sequence:
1) Write the configuration register, alarm registers, and
user memory to the desired values.
2) Write-protect the alarm, ETC, and event counter regis-
ters with the write disable command if needed.
3) Write-protect the user memory with the write-memory-
disable command, if needed.
4) Issue a reset (described in the Reset Command section).
The alarm, ETC and event counter registers, and user
memory, once locked, cannot be changed.
Upon reset, the ETC and event counter registers are
cleared. The device clears the RE bit, and the configu-
ration register becomes read-only. Additional resets are
ignored.
Figure 5. Event Input Timing
INTERNAL EVENT
CLOCK
tG
tES
tEI
EVENT INPUT
DS1682
Total-Elapsed-Time Recorder
with Alarm
www.maximintegrated.com
Maxim Integrated │ 8
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS1682X | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:Total Elapsed Time Recorder with Alarm |
| DS1683 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Total-Elapsed-Time and Event Recorder with Alarm |
| DS1683_12 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Total-Elapsed-Time and Event Recorder with Alarm |
| DS1683S | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Total-Elapsed-Time and Event Recorder with Alarm |
| DS1683S+ | 功能描述:實時時鐘 T-E-T Recorder RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時間格式:HH:MM:SS RTC 存儲容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
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