PCF210AA NXP [NXP Semiconductors], PCF210AA Datasheet - Page 11
![no-image](/images/no-image-200.jpg)
PCF210AA
Manufacturer Part Number
PCF210AA
Description
SPI Real time clock/calendar Time keeping application
Manufacturer
NXP [NXP Semiconductors]
Datasheet
1.PCF210AA.pdf
(63 pages)
- Current page: 11 of 63
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NXP Semiconductors
PCF2123
Product data sheet
8.3.2 Register Control_2
Table 7.
[1]
Bit
7
6
5
4
3
2
1
0
Default value.
Symbol
MI
SI
MSF
TI_TP
AF
TF
AIE
TIE
Control_2 - control and status register 2 (address 01h) bits description
All information provided in this document is subject to legal disclaimers.
Value
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Rev. 5 — 27 April 2011
[1]
[1]
[1]
[1]
[1]
[1]
[1]
[1]
Description
minute interrupt is disabled
minute interrupt is enabled
second interrupt is disabled
second interrupt is enabled
no minute or second interrupt generated
flag set when minute or second interrupt
generated;
interrupt pin follows timer flags
interrupt pin generates a pulse
no alarm interrupt generated
flag set when alarm triggered;
no countdown timer interrupt generated
flag set when countdown timer interrupt
generated;
no interrupt generated from the alarm flag
interrupt generated when alarm flag set
no interrupt generated from the countdown
timer
interrupt generated by the countdown timer
flag must be cleared to clear interrupt
when TI_IP = 0
flag must be cleared to clear interrupt
flag must be cleared to clear interrupt
when TI_IP = 0
SPI Real time clock/calendar
PCF2123
© NXP B.V. 2011. All rights reserved.
Reference
Section 8.6.3
Section 8.7.2
Section 8.5.5
Section 8.6.4
Section 8.7.3
Section 8.7.2
11 of 63
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