Preliminary enablement of transaction processing circuitry
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United States of America Patent
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Oct 27, 2020
Grant Date -
Jan 4, 2018
app pub date -
Jun 29, 2016
filing date -
Jun 29, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
A payment terminal includes multiple chips that perform different processing functions within the payment terminal. A terminal chip performs general functionality of the payment terminal while a transaction chip communicates with payment devices such as chip cards and NFC payment devices and processes payment information. The transaction chip may operate in a low power during which communications and processing are limited, and a transaction processing mode in which transactions may be processed. The transaction chip may transfer between these modes based on wake-up messages provided by other devices or circuitry of the payment terminal.
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