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PCF8564A 数据表(PDF) 12 Page - NXP Semiconductors |
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PCF8564A 数据表(HTML) 12 Page - NXP Semiconductors |
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12 / 59 page ![]() PCA85063A All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2018. All rights reserved. Product data sheet Rev. 4 — 30 March 2018 12 of 59 NXP Semiconductors PCA85063A Automotive Real-Time Clock/calendar with alarm function and I2C-bus 8.2.2.1 Alarm interrupt AIE: This bit activates or deactivates the generation of an interrupt when AF is asserted, respectively. AF: When an alarm occurs, AF is set logic 1. This bit maintains its value until overwritten by command. To prevent one flag being overwritten while clearing another, a logic AND is performed during a write access. Fig 7. Interrupt scheme |
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