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MFRC522 Datasheet(PDF) 79 Page - NXP Semiconductors |
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MFRC522 Datasheet(HTML) 79 Page - NXP Semiconductors |
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79 / 109 page  112132 © NXP B.V. 2007. All rights reserved. Product data sheet Rev. 3.2 — 22 May 2007 79 of 109 NXP Semiconductors MFRC522 Contactless Reader IC 19.3.1 Example: Output TestDAC 1 on AUX1 and TestDAC 2 on AUX2 Register AnalogTestReg is set to 11h. The output of AUX1 corresponds to the TestDAC 1 and the output of AUX2 to the TestDAC 2. The value of TestDAC 1 and TestDAC 2 is controlled by register TestDAC1Reg and TestDAC2Reg. Figure 24 shows TestDAC1Reg programmed with a slope from 00h to 3Fh. TestDAC2Reg has been programmed with a rectangular signal with values of 00h and 3Fh. 19.3.2 Example: Output Testsignal Corr1 on AUX1 and MinLevel on AUX2 The following Figure 25 shows the test signal Corr 1 and the test signal MinLevel. The AnalogTestReg is set to 24h. The output of AUX1 corresponds to the Corr1 signal and AUX2 to the MinLevel. Fig 24. Output TestDAC 1 on AUX1 and TestDAC 2 on AUX2 |
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