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MFRC63002R Datasheet(PDF) 37 Page - NXP Semiconductors |
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MFRC63002R Datasheet(HTML) 37 Page - NXP Semiconductors |
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37 / 118 page  MFRC630 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved. Product data sheet COMPANY PUBLIC Rev. 3.1 — 6 September 2012 227531 37 of 118 NXP Semiconductors MFRC630 Contactless reader IC However, the most important use of SIGIN/SIGOUT pins is the active antenna concept. An external active antenna circuit can be connected to the digital circuit of the MFRC630. SigOutSel has to be configured in that way that the signal of the internal Miller Coder is sent to SIGOUT pin (SigOutSel = 4). SigInSel has to be configured to receive Manchester signal with sub-carrier from SIGIN pin (SigInSel = 1). It is possible, to connect a passive antenna to pins TX1, TX2 and RX (via the appropriate filter and matching circuit) and at the same time an active antenna to the pins SIGOUT and SIGIN. In this configuration, two RF-parts may be driven (one after another) by a single host processor. |
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