Recording Total On-Time and Power Cycling Information Using the DS1682
- 名称:Recording Total On-Time and Power Cycling Information Using the DS1682
- 类型:模拟数字
- 授权方式:免费版
- 更新时间:10-10 20:48:56
- 下载要求:无需注册
- 下载次数:6151次
- 语言简体中文
- 大小:217 KB
- 推荐度:3 星级
《Recording Total On-Time and Power Cycling Information Using the DS1682》简介
标签:模拟电子技术,数字电子技术,
The DS1682 provides a method of counting power cycles, total on-time, and alarm-on match functions
that reduce the amount of processor overhead. Total on-time information is useful in applications from
Hobbs meters to equipment warranty, repair, and maintenance.
The DS1682 contains a 32-bit elapsed time counter (ETC), a 17-bit event counter, and a 32-bit alarm
register. In addition, the DS1682 has 10-bytes of user-programmable memory. The counter increments in
º seconds. The ETC and event counter data are stored in EEPROM at the end of each event.
In this example, the EVENT input is driven by a DS1233-15 EconoReset. A Shottky diode and capacitor
provide the energy necessary to allow the DS1682 to store the data to the internal EEPROM when VCC
goes away. An 8051-type processor is used to read the registers and transmit the information to a display
via a serial port. An LED is included in case the alarm function is required.
A schematic of the circuit is shown in Figure 1. Software for initializing the DS1682 and reading the
registers is show in Figure 2., 大小:217 KB
Tag:模拟数字,模拟电子技术,数字电子技术,模拟数字
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