PCF8563 Real time clock/calendar
PCF8563 Real time clock/calendar
PCF8563 Real time clock/calendar
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NXP Semiconductors <strong>PCF8563</strong><br />
SDA<br />
SCL<br />
SDA<br />
tBUF<br />
Fig 21. I 2 C-bus timing waveforms<br />
12. Application information<br />
1 F<br />
tHD;STA<br />
Fig 22. Application diagram<br />
tLOW<br />
VDD<br />
SCL<br />
CLOCK CALENDAR<br />
OSCI <strong>PCF8563</strong><br />
OSCO<br />
VSS<br />
<strong>Real</strong> <strong>time</strong> <strong>clock</strong>/<strong>calendar</strong><br />
<strong>PCF8563</strong>_5 © NXP B.V. 2007. All rights reserved.<br />
Product data sheet Rev. 05 — 17 July 2007 20 of 32<br />
tr<br />
tSU;STA<br />
SDA<br />
tHD;DAT tHIGH<br />
SDA SCL<br />
(I2C-bus) SDA<br />
SCL<br />
VDD<br />
R R<br />
tf<br />
MASTER<br />
TRANSMITTER/<br />
RECEIVER<br />
tSU;DAT<br />
VDD<br />
R: pull-up resistor<br />
tr<br />
R =<br />
Cb<br />
mgm665<br />
tSU;STO<br />
mga728
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