RX8900CE

Real time clock module REAL TIME CLOCK MODULE (I2C-Bus) Built-in 32.768 kHz-DTCXO, High Stability and Power Switching RX 8900 SA/CE CE Product Number (Please contact us) RX8900SA : X1B000292xxxx00 RX8900CE UA : X1B000301000100 RX8900CE UB : X1B000301000200 RX8900CE UC : X1B000301000300 Built in frequency adjusted 32.768 kHz crystal unit and DTCXO. Interface Type : I2C-Bus interface (400kHz) Interface voltage range : 2.5 V to 5.5 V Temp. compensated voltage range : 2.0 V to 5.5 V Clock supply voltage range : 1.6 V to 5.5 V Selectable clock output (32.768 kHz, 1024 Hz, 1 Hz) Actual size The various functions include full calendar, alarm, timer, temp. sensor function. .Epson prepared Linux driver for development. RX8900SA (http://www5.epsondevice.com/en/information/support/linux_rtc/) The registered trademark Linux® is used pursuant to a sublicense from LMI(Linux Mark Institute) The I2C-Bus is a trademark of NXP Semiconductors. RX8900SA (10.1 × 7.4 × 3.3 mm) RX8900CE RX8900CE (3.2 × 2.5 × 1.0 mm) Block diagram VDD VDD Detector Battery backup connection example (1) VBAT R primary battery C VBAT Battery backup connection example (2) VBAT R EDLC or secondary battery C Register Control (System Control) DTCXO Divider Bus Interface Alarm Register Timer Register Interrupts Controller Clock and Calender FOUT Controller GND LVEL SHIFTER FOE SCL SDA FOUT /INT Overview High Stability UA ± 3.4 x 10-6 / -40 ºC to +85 ºC ( Equivalent to ±9 se...