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PCF85263AT/A Datasheet(PDF) 39 Page - NXP Semiconductors

Part # PCF85263AT/A
Description  Tiny Real-Time Clock/calendar with alarm function, battery switch-over, time stamp input, and I2C-bus
PDF  100 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

PCF85263AT/A Datasheet(HTML) 39 Page - NXP Semiconductors

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PCF85263A
All information provided in this document is subject to legal disclaimers.
© NXP Semiconductors N.V. 2015. All rights reserved.
Product data sheet
Rev. 4.1 — 27 November 2015
39 of 100
NXP Semiconductors
PCF85263A
Tiny RTC with alarm, battery switch-over, and I2C-bus
[1]
Default value.
8.9.1 ILPA/ILPB: interrupt level or pulse mode
Interrupts can be configured to generate a pulse or to send a continuous level (permanent
signal) which follows the state of the flag.
In pulse mode, an interrupt pulse is generated every time that the selected source
triggers.
Triggered means
Table 28.
INTA and INTB interrupt control bits
Bit
7
6
5
4
3
2
1
0
INTA_enable - INTA pin enable control (address 29h)
Symbol
ILPA
PIEA
OIEA
A1IEA
A2IEA
TSRIEA
BSIEA
WDIEA
INTB_enable - INTB pin enable control (address 2Ah)
Symbol
ILPB
PIEB
OIEB
A1IEB
A2IEB
TSRIEB
BSIEB
WDIEB
Table 29.
Definition of interrupt control bits
Bit
Symbol
Value
Description
INTA
INTB
7
ILPA
ILPB
level or pulse mode
0[1]
interrupt generates a pulse
1
interrupt follows flags (permanent signal)
6
PIEA
PIEB
periodic interrupt enable
0[1]
no periodic interrupt generated
1
periodic interrupt generated
5OIEA
OIEB
offset correction interrupt enable
0[1]
no correction interrupt generated
1
interrupt generated from correction
4
A1IEA
A1IEB
alarm1 interrupt enable
0[1]
no alarm interrupt generated
1
alarm interrupt generated
3
A2IEA
A2IEB
alarm2 interrupt enable
0[1]
no alarm interrupt generated
1
alarm interrupt generated
2
TSRIEA
TSRIEB
timestamp register interrupt enable
0[1]
no timestamp register interrupt generated
1
timestamp register interrupt generated
1
BSIEA
BSIEB
battery switch interrupt enable
0[1]
no battery switch interrupt generated
1
battery switch interrupt generated
0WDIEA
WDIEB
WatchDog interrupt enable
0[1]
no WatchDog interrupt generated
1
WatchDog interrupt generated



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