PCF2129AT/2,518 NXP Semiconductors, PCF2129AT/2,518 Datasheet - Page 9

• Manufacturer Part Number: PCF2129AT/2,518
• Description: Real Time Clock
• Manufacturer: NXP Semiconductors
• Series: PCF2129r

Specifications of PCF2129AT/2,518

• Rohs: yes
• Function: Clock, Calendar, Alarm, Watchdog, Timestamp
• Rtc Bus Interface: I2C, SPI
• Date Format: Binary
• Time Format: Binary
• Supply Voltage - Max: 4.2 V
• Supply Voltage - Min: 1.2 V
• Maximum Operating Temperature: + 60 C
• Minimum Operating Temperature: - 15 C
• Mounting Style: SMD/SMT
• Package / Case: SOP-20
• Battery Backup Switching: Yes
• Factory Pack Quantity: 2000

NXP Semiconductors
PCF2129AT
Product data sheet
8.2.2 Register Control_2
Table 7.
[1]
[2]
Bit
7
6
5
4
3
2
1
0
Default value.
When writing to the register this bit always has to be set logic 0.
Symbol
MSF
WDTF
TSF2
AF
T
TSIE
AIE
T
Control_2 - control and status register 2 (address 01h) bit description
All information provided in this document is subject to legal disclaimers.
Rev. 5 — 12 February 2013
Value
0
1
0
1
0
1
0
1
0
0
1
0
1
0
[1]
[1]
[1]
[1]
[2]
[1]
[1]
[2]
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;
unused
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
unused
flag must be cleared to clear interrupt
flag cannot be cleared by command
(read-only)
flag must be cleared to clear interrupt
flag must be cleared to clear interrupt
Integrated RTC, TCXO and quartz crystal
PCF2129AT
© NXP B.V. 2013. All rights reserved.
Reference
Section 8.12
Section 8.12.3
Section 8.11.1
Section 8.9.6
-
Section 8.12.5
Section 8.12.4
-
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