Datasheet

PCF8563 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved.
Product data sheet Rev. 10 — 3 April 2012 35 of 50
NXP Semiconductors
PCF8563
Real-time clock/calendar
Fig 28. I
2
C-bus timing waveforms
SDA
mga728
SDA
SCL
t
SU;STA
t
SU;STO
t
HD;STA
t
BUF
t
LOW
t
HD;DAT
t
HIGH
t
r
t
f
t
SU;DAT