Datasheet

PCF2127AT All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved.
Product data sheet Rev. 6 — 11 July 2013 78 of 86
NXP Semiconductors
PCF2127AT
Integrated RTC, TCXO and quartz crystal
20. Abbreviations
Table 67. 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
MSB Most Significant Bit
PM Post Meridiem
POR Power-On Reset
PORO Power-On Reset Override
PPM Parts Per Million
RAM Random Access Memory
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