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PCF85053A - Bootable CPU RTC

NXP

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Datasheet Details

Part number	PCF85053A
Manufacturer	NXP ↗
File Size	653.62 KB
Description	Bootable CPU RTC
Datasheet	PCF85053A-NXP.pdf

PCF85053A Product details

Description

The PCF85053A is a CMOS Real-Time Clock (RTC) and calendar optimized for low power consumption and automatic switching to battery on primary power loss.

Features

Voltage range addresses common supply rails.
VDD supply voltage from 1.7 V to 3.6 V.
VBAT battery supply voltage from 1.55 V to 3.6 V.
Two independent I2C interfaces with up to 400 kHz speed.
Primary I2C bus with Read/write capability on RTC and SRAM registers.
Secondary I2C bus with read/write capability on RTC and SRAM registers enabled by primary I2C.
Both I2C interface supports clock timeout of 35 ms max.
Crystal compat.

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Published: Sep 14, 2024 |