PCA2129T/Q900/2,51 NXP Semiconductors, PCA2129T/Q900/2,51 Datasheet - Page 10

• Manufacturer Part Number: PCA2129T/Q900/2,51
• Description: Real Time Clock
• Manufacturer: NXP Semiconductors
• Series: PCA2129r

Specifications of PCA2129T/Q900/2,51

• 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: 1.8 V
• Maximum Operating Temperature: + 80 C
• Minimum Operating Temperature: - 30 C
• Mounting Style: SMD/SMT
• Package / Case: SOP-16
• Battery Backup Switching: Yes

NXP Semiconductors
PCA2129T
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.
Value
0
1
0
1
0
1
0
1
0
0
1
0
1
0
Rev. 3 — 24 January 2013
Accurate RTC with integrated quartz crystal for automotive
[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
PCA2129T
© 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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