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PCF85063ATT/AJ 数据表(PDF) 11 Page - NXP Semiconductors

部件名 PCF85063ATT/AJ
功能描述  Tiny Real-Time Clock/calendar with alarm function and I2C-bus
PDF  55 Pages
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制造商  NXP [NXP Semiconductors]
网页  http://www.nxp.com
标志 NXP - NXP Semiconductors

PCF85063ATT/AJ 数据表(HTML) 11 Page - NXP Semiconductors

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NXP Semiconductors
PCF85063A
Tiny Real-Time Clock/calendar with alarm function and I2C-bus
7.2.2.1 Alarm interrupt
aaa-004432
SECONDS COUNTER
MINUTES COUNTER
MI
HMI
HMI MI
AIE
CIE
0
1
AIE
example
HMI/MI
SET
CLEAR
from interface:
clear TF
from interface:
clear AF
offset circuit:
add/substract
pulse
from interface:
set CIE
to interface:
read AF
PULSE
GENERATOR 1
TRIGGER
CLEAR
TI_TP
ALARM FLAG
AF
set alarm
flag, AF
SET
CLEAR
PULSE
GENERATOR 3
TRIGGER
CLEAR
0
1
COUNTDOWN COUNTER
TE
TIE
TIMER FLAG
TF
SET
CLEAR
to interface:
read TF
PULSE
GENERATOR 2
TRIGGER
CLEAR
0
1
INT
Figure 9. Interrupt scheme
AIE
This bit activates or deactivates the generation of an interrupt when AF is asserted, respectively.
AF
When an alarm occurs, AF is set logic 1. This bit maintains its value until overwritten by command. To prevent
one flag being overwritten while clearing another, a logic AND is performed during a write access.
PCF85063A
All information provided in this document is subject to legal disclaimers.
© 2023 NXP B.V. All rights reserved.
Product data sheet
Rev. 7.1 — 8 November 2023
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