PCA2129T/Q900/2,51 NXP Semiconductors, PCA2129T/Q900/2,51 Datasheet - Page 33

• 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
Table 35.
The following tables show what instruction must be sent to clear the appropriate flag.
Table 36.
[1]
Table 37.
[1]
Register
Control_2
Register
Control_2
Register
Control_2
The bits labeled as - have to be rewritten with the previous values.
The bits labeled as - have to be rewritten with the previous values.
Example values in register Control_2
Example to clear only AF (bit 4)
Example to clear only MSF (bit 7)
All information provided in this document is subject to legal disclaimers.
Bit
7
1
Bit
7
1
Bit
7
0
Rev. 3 — 24 January 2013
Accurate RTC with integrated quartz crystal for automotive
6
0
6
0
6
0
5
1
5
1
5
1
4
1
4
0
4
1
3
0
3
0
3
0
2
0
2
0
2
0
[1]
[1]
PCA2129T
© NXP B.V. 2013. All rights reserved.
1
0
1
0
1
0
[1]
[1]
0
0
0
0
0
0
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