RX8111CE (A grade): X1B000421000115 RX8111CE (B grade): X1B000421000215 REAL TIME CLOCK MODULE (I²C-Bus) Time stamp function and Low current consumption
■Interface type
▲I²C-Bus interface Fast-Mode 400 kHz
■Auto power switch function
▲The VDD voltage is monitored and it switches to the backup power supply by the automatic operation
▲Backup power supply switching voltage 1.2V Min.
■Clock output function
▲Output frequency is selectable from 32.768 kHz, 1024 Hz, 1 Hz
■Wakeup timer function
▲Selectable from 244 μs to 32 years (24 bit 1 ch.)
▲Timer source clock selectable from 1/60 Hz, 1 Hz, 64 Hz, 4096 Hz
▲Auto release after interrupt output from /INT pin at timer completes
▲This operation is auto repeat with a selected cycle, it can be used like a watchdog timer
■Time stamp function
▲8 times stamped from year to 1/256 seconds
▲The time stamp trigger inputs from EVIN pin, self-monitoring and I²C software command
▲EVIN pin has function of chattering-cancel
■Alarm function
▲It is possible program from year to second
■Self-monitoring interruption
▲Crystal oscillation stop, VBAT low, VDD low
●Built in frequency adjusted 32.768 kHz crystal unit
●Operating Temperature：-40 ℃ to +105 ℃
●Interface Type：I²C-Bus
●Low backup current：100 nA Typ. / 3 V
●Auto power switching function：Automatically switches to backup power supply by monitoring the VDD voltage.
●Time stamp function：8 times stamped from year to 1/256 seconds
●Interrupt output：Wake up every minute or every second
●Alarm interruption：Day, date, hour, minute, second
●Auto repeat wakeup timer interruption
●Self-monitoring interruption：Crystal oscillation stop, VBAT low, VDD low
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Datasheet |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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2023/10/12 |
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506 KB |
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