PCF2127AT/1 NXP [NXP Semiconductors], PCF2127AT/1 Datasheet - Page 10

• Manufacturer Part Number: PCF2127AT/1
• Description: Integrated RTC, TCXO and quartz crystal
• Manufacturer: NXP [NXP Semiconductors]

NXP Semiconductors
PCF2127A_2
Product data sheet
8.2.2 Register Control_2
Table 6.
[1]
Bit
7
6
5
4
3
2
1
0
Default value.
Symbol
MSF
WDTF
TSF2
AF
CDTF
TSIE
AIE
CDTIE
Control_2 - control and status register 2 (address 01h) bit 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. 02 — 7 May 2010
[1]
[1]
[1]
[1]
[1]
[1]
[1]
[1]
Description
no minute or second interrupt generated
flag set when minute or second interrupt
generated;
no watchdog timer interrupt or reset
generated
flag set when watchdog timer interrupt or
reset generated;
no timestamp interrupt generated
flag set when TS input is driven to ground;
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 timestamp flag
interrupt generated when timestamp flag set
no interrupt generated from the alarm flag
interrupt generated when alarm flag set
no interrupt generated from countdown timer
flag
interrupt generated when countdown timer
flag set
flag must be cleared to clear interrupt
flag cannot be cleared by using the
interface (read-only)
flag must be cleared to clear interrupt
flag must be cleared to clear interrupt
flag must be cleared to clear interrupt
Integrated RTC, TCXO and quartz crystal
PCF2127A
© NXP B.V. 2010. All rights reserved.
Reference
Section 8.13
Section 8.13.4
Section 8.12.1
Section 8.10.6
Section 8.11.4
Section 8.13.6
Section 8.13.5
Section 8.13.2
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