PCF2129AT/1,512 NXP Semiconductors, PCF2129AT/1,512 Datasheet - Page 8

• Manufacturer Part Number: PCF2129AT/1,512
• Description: IC REAL TIME CLK/CALENDAR 20SOIC
• Manufacturer: NXP Semiconductors
• Type: Clock/Calendar/Alarmr

Specifications of PCF2129AT/1,512

• Package / Case: 20-SOIC (7.5mm Width)
• Date Format: YY-MM-DD-dd
• Time Format: HH:MM:SS (12/24 hr)
• Interface: I²C, SPI
• Voltage - Supply: 1.8 V ~ 4.2 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Function: Clock, Alarm, Watchdog, Timestamp
• Supply Voltage (max): 4.2 V
• Supply Voltage (min): 1.8 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Rtc Bus Interface: I2C, SPI
• Supply Current: 800 uA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Memory Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 568-4960-5; 935288599512

NXP Semiconductors
Table 4.
Bit positions labeled as - are not implemented and will return 0 when read. Bits labeled as T must always be written with
logic 0. Bits labeled as X are undefined at power-on and unchanged by subsequent resets.
PCF2129A_2
Product data sheet
Address Register name
Internal registers
1Ah
1Bh
Internal_reg
Internal_reg
Register overview
Bit
7
-
-
…continued
-
-
6
All information provided in this document is subject to legal disclaimers.
5
-
-
Rev. 02 — 7 May 2010
4
-
-
3
-
-
Integrated RTC, TCXO and quartz crystal
2
-
-
1
-
-
PCF2129A
0
-
-
© NXP B.V. 2010. All rights reserved.
Reset value
- - - - - - - -
- - - - - - - -
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