RT5C348A Просмотр технического описания (PDF) - RICOH Co.,Ltd.

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RT5C348A

4-wire Serial Interface

RICOH Co.,Ltd. 

＊RT5C348B (TSSOP10G) and RS5C348B (SSOP10) are the discontinued products. As of July in 2016.

Rx5C348A/B

restart of oscillation. As such, the XSTP bit can be applied to judge the validity of clock and calendar data

after power-on or a drop in supply voltage.

* When the XSTP bit is set to 1, all bits will be reset to 0 in the Oscillation Adjustment Register, Control

Register 1, and Control Register 2, stopping the output from /INTR pin and starting the output of 32.768-kHz

clock pulses from the 32KOUT pin.

* The XSTP bit accepts only the writing of 0, which restarts the oscillation halt sensing circuit. Conversely,

setting the XSTP bit to 1 causes no event.

* It is recommendable to frequently check the XSTP bit for setting errors or data garbles, which may

seriously affect the operation of the Rx5C348A/B.

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