PCF85263ATLSLASHA datasheet(36/92 Pages) NXP

Part #	PCF85263ATL/A

Description	Tiny Real-Time Clock/calendar with alarm function, battery switch-over, time stamp input, and I2C-bus

PDF	92 Pages

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Manufacturer	NXP [NXP Semiconductors]

Direct Link	http://www.nxp.com

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36 / 92 page

NXP Semiconductors

PCF85263A

Tiny Real-Time Clock/calendar with alarm function, battery switch-over, time stamp input, and I2C-bus

trigger event

aaa-009638

interrupt

flag

128 Hz clock

Minimum

interrupt

period

Maximum

interrupt

period

Flag does not need to be cleared

for interrupts to be generated

Figure 22. Interrupt pulse width

In level mode, the interrupt signal follows the state of the flag. Only interrupts which are

enabled will affect the pin state. All enabled flags must be cleared for the interrupt signal

to be cleared.

The EMON is used only for monitoring

all flags and can be read back in the minutes

7.9.2 Interrupt enable bits

The remainder of the bits in register INTA_enable (address 29h) and register

INTB_enable (address 2Ah) are used to select which interrupt data goes where. See

Figure 23

PCF85263A

All information provided in this document is subject to legal disclaimers.

Product data sheet

Rev. 5 — 1 February 2021

36 / 92

PCF85263ATL/A Datasheet(PDF) 36 Page - NXP Semiconductors