资料下载
×
ISL12022/ISL12022M pdf datashe
消耗积分:5 |
格式:rar |
大小:333 |
2009-01-19
刘艳
分享资料个
Low Power RTC with Battery Backed SRAM, Integrated ±5ppm Temperature
Compensation, and Auto Daylight Saving
The ISL12022M device is a low power real time clock (RTC)
with an embedded temperature sensor and crystal. Device
functions include oscillator compensation, clock/calendar,
power fail and low battery monitors, brownout indicator,
one-time, periodic or polled alarms, intelligent battery
backup switching, Battery Reseal™ function and 128 bytes
of battery-backed user SRAM. The device is offered in a
20 Ld SOIC module that contains the RTC and an
embedded 32.768kHz quartz crystal. The calibrated
oscillator provides less than ±5ppm drift over the full -40°C to
+85°C temperature range.
The RTC tracks time with separate registers for hours,
minutes, and seconds. The calendar registers track date,
month, year and day of the week and are accurate through
2099, with automatic leap year correction.
Daylight Savings time adjustment is done automatically,
using parameters entered by the user. Power fail and battery
monitors offer user-selectable trip levels. The time stamp
function records the time and date of switchover from VDD to
VBAT power, and also from VBAT to VDD power.
Compensation, and Auto Daylight Saving
The ISL12022M device is a low power real time clock (RTC)
with an embedded temperature sensor and crystal. Device
functions include oscillator compensation, clock/calendar,
power fail and low battery monitors, brownout indicator,
one-time, periodic or polled alarms, intelligent battery
backup switching, Battery Reseal™ function and 128 bytes
of battery-backed user SRAM. The device is offered in a
20 Ld SOIC module that contains the RTC and an
embedded 32.768kHz quartz crystal. The calibrated
oscillator provides less than ±5ppm drift over the full -40°C to
+85°C temperature range.
The RTC tracks time with separate registers for hours,
minutes, and seconds. The calendar registers track date,
month, year and day of the week and are accurate through
2099, with automatic leap year correction.
Daylight Savings time adjustment is done automatically,
using parameters entered by the user. Power fail and battery
monitors offer user-selectable trip levels. The time stamp
function records the time and date of switchover from VDD to
VBAT power, and also from VBAT to VDD power.
声明：本文内容及配图由入驻作者撰写或者入驻合作网站授权转载。文章观点仅代表作者本人，不代表电子发烧友网立场。文章及其配图仅供工程师学习之用，如有内容侵权或者其他违规问题，请联系本站处理。 举报投诉
评论(1)
发评论
-
Dewosi
2019-05-17
0 回复 举报实用文档，挺好 收起回复
- 相关下载
- 相关文章
