Datasheet

PCF2129 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2014. All rights reserved.
Product data sheet Rev. 7 — 19 December 2014 77 of 86
NXP Semiconductors
PCF2129
Accurate RTC with integrated quartz crystal for industrial applications
20. Abbreviations
Table 84. Abbreviations
Acronym Description
AM Ante Meridiem
BCD Binary Coded Decimal
CDM Charged Device Model
CMOS Complementary Metal-Oxide Semiconductor
DC Direct Current
GPS Global Positioning System
HBM Human Body Model
I
2
C Inter-Integrated Circuit
IC Integrated Circuit
LSB Least Significant Bit
MCU Microcontroller Unit
MM Machine Model
MSB Most Significant Bit
PM Post Meridiem
POR Power-On Reset
PORO Power-On Reset Override
PPM Parts Per Million
RC Resistance-Capacitance
RTC Real-Time Clock
SCL Serial CLock line
SDA Serial DAta line
SPI Serial Peripheral Interface
SRAM Static Random Access Memory
TCXO Temperature Compensated Xtal Oscillator
Xtal crystal