
NXP Semiconductors
9. Internal circuitry
PCF8523
Real-Time Clock (RTC) and calendar
OSCI
OSCO
VBAT
VSS
INT2
PCF8523
VDD
INT1/CLKOUT
SCL
SDA
CLKOUT
013aaa340
Fig 34. Device diode protection diagram of PCF8523
PCF8523
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 4 — 5 July 2012
© NXP B.V. 2012. All rights reserved.
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