MLX90130
13.56MHz RFID Transceiver
3901090130 Page 2 of 37 Jan-2014
Rev. 004
Table of Contents
1 Pin and signal descriptions...............................................................................................................................3
2 General Description..........................................................................................................................................4
3 Power Management and Operating modes......................................................................................................6
4 Start-up sequence ............................................................................................................................................8
5 Communication Interface & protocol ................................................................................................................9
5.1 UART .........................................................................................................................................................9
5.2 SPI ...........................................................................................................................................................10
5.2.1 Polling mode......................................................................................................................................10
5.2.2 IRQ mode ..........................................................................................................................................11
6 Commands .....................................................................................................................................................12
6.1 Command format .....................................................................................................................................12
6.2 List of commands.....................................................................................................................................12
6.3 IDN command (0x01)...............................................................................................................................13
6.4 Protocol select command (0x02) .............................................................................................................13
6.5 PollField command (0x03) .......................................................................................................................16
6.6 SendRecv command (0x04) ....................................................................................................................17
6.6.1 Support of extended frames..............................................................................................................19
6.6.2 List of Error codes .............................................................................................................................20
6.7 Idle command (0x07) ...............................................................................................................................21
6.8 BaudRate command (0x0A) ....................................................................................................................23
7 Modifying internal settings for optimal performances .....................................................................................23
7.1.1 Example: How to modify the ARC_B register ...................................................................................23
7.1.2 Example how to read back WUFlags content ...................................................................................24
8 Tag Detector ...................................................................................................................................................25
8.1 Operating Principle ..................................................................................................................................25
8.2 Calibration procedure...............................................................................................................................26
9 Field Detector .................................................................................................................................................26
10 Electromagnetic support (EMD) ...................................................................................................................27
11 Application Information .................................................................................................................................30
11.1 External Antenna network......................................................................................................................30
11.2 Application schematic ............................................................................................................................30
12 Electrical Specifications................................................................................................................................31
12.1 Absolute Maximum Ratings ...................................................................................................................31
12.2 DC Characteristics .................................................................................................................................31
12.3 Power Consumption Characteristics......................................................................................................31
12.4 RF Characteristics .................................................................................................................................32
12.5 SPI Characteristics ................................................................................................................................33
12.6 Oscillator Characteristics .......................................................................................................................34
14 ESD Precautions ..........................................................................................................................................35
15 Standard information regarding manufacturability of Melexis products with different soldering processes 35
16 Package Information.....................................................................................................................................36
17 Disclaimer .....................................................................................................................................................37
18 Contact Information ......................................................................................................................................37
