Qdatasheet_Logo
Integrated circuits, Transistor, Semiconductors Search and Datasheet PDF Download Site

PCF2127 View Datasheet(PDF) - NXP Semiconductors.

Part Name
Description
MFG CO.
'PCF2127' PDF : 101 Pages View PDF
Prev 91 92 93 94 95 96 97 98 99 100
NXP Semiconductors
PCF2127
Accurate RTC with integrated quartz crystal for industrial applications
8.13.8
8.14
8.15
9
9.1
9.1.1
9.2
9.2.1
9.2.2
9.2.3
9.2.4
9.2.5
9.3
10
11
12
13
13.1
13.2
14
14.1
14.2
15
16
16.1
17
18
18.1
19
19.1
20
20.1
21
22
23
24
24.1
24.2
24.3
24.4
25
26
27
28
Battery low detection interrupts . . . . . . . . . . . 58
External clock test mode . . . . . . . . . . . . . . . . 59
STOP bit function . . . . . . . . . . . . . . . . . . . . . . 59
Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
SPI-bus interface . . . . . . . . . . . . . . . . . . . . . . 62
Data transmission . . . . . . . . . . . . . . . . . . . . . . 63
I2C-bus interface. . . . . . . . . . . . . . . . . . . . . . . 66
Bit transfer . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
START and STOP conditions . . . . . . . . . . . . . 66
System configuration . . . . . . . . . . . . . . . . . . . 66
Acknowledge . . . . . . . . . . . . . . . . . . . . . . . . . 67
I2C-bus protocol . . . . . . . . . . . . . . . . . . . . . . . 67
Bus communication and battery backup
operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
Internal circuitry. . . . . . . . . . . . . . . . . . . . . . . . 71
Safety notes . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 72
Static characteristics. . . . . . . . . . . . . . . . . . . . 73
Current consumption characteristics, typical . 75
Frequency characteristics. . . . . . . . . . . . . . . . 78
Dynamic characteristics . . . . . . . . . . . . . . . . . 80
SPI-bus timing characteristics . . . . . . . . . . . . 80
I2C-bus timing characteristics . . . . . . . . . . . . . 82
Application information. . . . . . . . . . . . . . . . . . 84
Test information . . . . . . . . . . . . . . . . . . . . . . . . 84
Quality information . . . . . . . . . . . . . . . . . . . . . 84
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 85
Packing information . . . . . . . . . . . . . . . . . . . . 87
Tape and reel information . . . . . . . . . . . . . . . . 87
Soldering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Footprint information. . . . . . . . . . . . . . . . . . . . 87
Appendix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Real-Time Clock selection . . . . . . . . . . . . . . . 89
Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . 91
References . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
Revision history . . . . . . . . . . . . . . . . . . . . . . . . 93
Legal information. . . . . . . . . . . . . . . . . . . . . . . 94
Data sheet status . . . . . . . . . . . . . . . . . . . . . . 94
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
Trademarks. . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Contact information. . . . . . . . . . . . . . . . . . . . . 95
Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
Figures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
Please be aware that important notices concerning this document and the product(s)
described herein, have been included in section ‘Legal information’.
© NXP Semiconductors N.V. 2014.
All rights reserved.
For more information, please visit: http://www.nxp.com
For sales office addresses, please send an email to: salesaddresses@nxp.com
Date of release: 19 December 2014
Document identifier: PCF2127
Share Link: GO URL

All Rights Reserved © qdatasheet.com  [ Privacy Policy ] [ Contact Us ]