器件名称: ISL12082IB8Z
功能描述: I2C-Bus Real Time Clock with Two Interrupts, Alarm, and Timer
文件大小: 395.6KB 共26页
简 介:
ISL12082
I2C-Bus Real Time Clock with Two Interrupts, Alarm, and Timer
Data Sheet November 24, 2008 FN6731.3
Low Power RTC with Battery ReSeal, 2 IRQs, Hundredths of a Second Time, and Crystal Compensation
The ISL12082 device is a low power real time clock with timing and crystal compensation, clock/calendar, power fail indicator, 2 IRQs, periodic or polled alarm, timer/watchdog, and intelligent battery backup switching. The oscillator uses an external, low-cost 32.768kHz crystal. The real time clock tracks time with separate registers for hours, minutes, seconds and hundredths of a second. The device has calendar registers for date, month, year and day of the week. The calendar is accurate through 2099, with automatic leap year correction.
Features
Real Time Clock/Calendar - Tracks Time in Hours, Minutes, Seconds, and Hundredths of a Second - Day of the Week, Day, Month, and Year 4 Selectable Frequency Outputs Alarm - Settable to the Second, Minute, Hour, Day of the Week, Day, or Month - Single Event or Pulse Interrupt Mode Timer - 4 Selectable Timer Functions - 4 Selectable Timer Clock Frequencies - Single Event or Pulse Interrupt Mode Automatic Backup to Battery or Supercapacitor Power Failure Detection Battery ReSeal
Pinouts
ISL12082 (8 LD SOIC) TOP VIEW
X1 X2 GND IRQ2 1 2 3 4 8 7 6 5 VDD IRQ1/fOUT SCL SDA
On-Chip Oscillator Compensation I2C Interface - 400kHz Data Transfer Rate 800nA Battery Supply Current
ISL12082 (10 LD MSOP) TOP VIEW
X1 X2 VBAT GND NC……
