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MFRC522 Datasheet(PDF) 82 Page - NXP Semiconductors |
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MFRC522 Datasheet(HTML) 82 Page - NXP Semiconductors |
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82 / 109 page  112132 © NXP B.V. 2007. All rights reserved. Product data sheet Rev. 3.2 — 22 May 2007 82 of 109 NXP Semiconductors MFRC522 Contactless Reader IC 19.3.5 Example: Output Rx Data Stream on AUX 1 and AUX 2 The following Figure 28 shows the actual received data stream. TestSel2Reg is set to 07h to enable certain digital test data on D1-D6 (see Section 19.2 “Test bus”). The register TestSel1Reg is set to 06h (D6 = sdata) and AnalogTestReg is set to FFh to output the received data stream to pin AUX1 and AUX2. 19.4 PRBS (Pseudo-Random Binary Sequence) Enables the PRBS9 or PRBS15 sequence according to ITU-TO150. To start the transmission of the defined datastream the command TRANSMIT has to be activated. The preamble/Sync byte/start bit/parity bit are generated automatically depending on the selected mode. Remark: All relevant register to transmit data have to be configured before entering PRBS mode according ITU-TO150. Fig 28. Output Rx data stream on AUX 1 and AUX 2. |
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