PCF8523 NXP [NXP Semiconductors], PCF8523 Datasheet - Page 40
PCF8523
Manufacturer Part Number
PCF8523
Description
Real-Time Clock (RTC) and calendar
Manufacturer
NXP [NXP Semiconductors]
Datasheet
1.PCF8523.pdf
(66 pages)
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NXP Semiconductors
PCF8523
Product data sheet
Fig 24. Example of shortening the INT1 pulse by clearing the CTAF flag
(1) Indicates normal duration of INT1 pulse.
The timing shown for clearing CTAF is also valid for the non-pulsed interrupt mode, i.e. when
TAM set logic 0, where the INT1 pulse may be shortened by setting CTAIE logic 0.
countdown counter
All information provided in this document is subject to legal disclaimers.
instruction
CDTF
INT1
Rev. 3 — 30 March 2011
SCL
01
n
CLEAR INSTRUCTION
Real-Time Clock (RTC) and calendar
013aaa334
PCF8523
© NXP B.V. 2011. All rights reserved.
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