RX4111CE (A grade): X1B000431000115 RX4111CE (B grade): X1B000431000215 REAL TIME CLOCK MODULE (SPI-Bus)
■Interface type
▲SPI-Bus interface (4 wire, 1 MHz)
■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 self-monitoring and SPI command
■Alarm function
▲It is possible program from year to second
■Self-monitoring interruption
▲Crystal oscillation stop, VBAT low, VDD low
●Time stamp function and Low current consumption
■Built in frequency adjusted 32.768 kHz crystal unit
■Operating Temperature : -40 ℃ to +105℃
■Interface Type : SPI -Bus 4 wire
■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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2023/10/4 |
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465 KB |
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