MFRC522_(2007) Просмотр технического описания (PDF) - NXP Semiconductors.
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MFRC522_ Datasheet PDF : 109 Pages
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NXP Semiconductors
23.1.9 Output Pin characteristics for Pins AUX1 and
AUX2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
23.1.10Output Pin characteristics for Pins TX1 and
TX2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
23.2 Current Consumption . . . . . . . . . . . . . . . . 87
23.3 RX Input Voltage Range . . . . . . . . . . . . . . 88
23.4 RX Input Sensitivity . . . . . . . . . . . . . . . . . . 88
23.5 Clock Frequency . . . . . . . . . . . . . . . . . . . . 88
23.6 XTAL Oscillator . . . . . . . . . . . . . . . . . . . . . 89
23.7 Typical 27.12 MHz Crystal Requirements . 89
23.8 Timing for the SPI compatible interface . . 90
23.9 I2C Timing . . . . . . . . . . . . . . . . . . . . . . . . . 91
24 Application information . . . . . . . . . . . . . . . 92
25 Package outline. . . . . . . . . . . . . . . . . . . . . 93
26 Handling information . . . . . . . . . . . . . . . . . 94
27 Packing information. . . . . . . . . . . . . . . . . . 95
28 Abbreviations . . . . . . . . . . . . . . . . . . . . . . 97
29 References . . . . . . . . . . . . . . . . . . . . . . . . 97
30 Revision history . . . . . . . . . . . . . . . . . . . . . 98
31 Legal information. . . . . . . . . . . . . . . . . . . 100
31.1 Data sheet status . . . . . . . . . . . . . . . . . . 100
31.2 Definitions . . . . . . . . . . . . . . . . . . . . . . . . 100
31.3 Disclaimers . . . . . . . . . . . . . . . . . . . . . . . 100
31.4 Trademarks . . . . . . . . . . . . . . . . . . . . . . . 100
32 Contact information . . . . . . . . . . . . . . . . . 101
33 Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
34 Figures . . . . . . . . . . . . . . . . . . . . . . . . . . 106
35 Contents . . . . . . . . . . . . . . . . . . . . . . . . . 107
MFRC522
Contactless Reader IC
Please be aware that important notices concerning this document and the product(s)
described herein, have been included in section ‘Legal information’.
© NXP B.V. 2007.
All rights reserved.
For more information, please visit: http://www.nxp.com
For sales office addresses, please send an email to: sales.addresses@www.nxp.com
Date of release: 22 May 2007
Document identifier: 112132
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