For further information contact your local STMicroelectronics sales office.
December 2013 DocID025534 Rev 2 1/6
MATRIX-M24SR
Antenna matrix for the M24SRXX-Y
Dynamic NFC/RFID tag IC family
Data brief
Features
Ready-to-use printed circuit board including 10
divisible antenna boards. Each of those antenna
board can be connected to an MCU thanks to the
I2C interface.
The MATRIX-M24SR antenna boards are based
on the M24SR64-Y device which is compatible
with NFC phones. As such, any NFC phone can
communicate with those antenna boards.
•Various antenna designs
– 45 mm x 75 mm 13.56 MHz inductive
antenna etched on the PCB (ANT1)
– 20 mm x 40 mm 13.56 MHz inductive
antenna etched on the PCB (ANT2)
– 14 mm x 13.5 mm 13.56 MHz double layer
inductive antenna etched on the PCB
(ANT7)
– 45 mm x 65 mm 13.56 MHz inductive
antenna etched on the PCB with a DSILC6-
4P6 external ESD protection (ANT10)
– 4.7 µH SMD-inductor based antenna
(ANT11)
– 2 spare circuits for customer antenna
development (ANT12)
– Metal Tag 13 .56 MHz inductive antenna
etched on the PCB (ANT9)
– 20 mm round 13.56 MHz double layer
inductive antenna etched on the PCB
(ANT13)
– 31 mm x 30 mm 13.56 MHz double layer
inductive antenna etched on the PCB
(ANT14)
•M24SR64-Y Dynamic NFC/RFID tag IC
•I2C bus connection
•RF disable input connection with 30 kΩ pull-
down resistor
•GPO (General Purpose Output) output
connection with 20 kΩ pull up resistor
•100 pF and 10 nF capacitors for VCC
decoupling
www.st.com
Description MATRIX-M24SR
2/6 DocID025534 Rev 2
1 Description
The MATRIX-M24SR board features various antenna designs for M24SRXX-Y Dynamic
NFC/RFID tag IC family combined on a single ready-to-use divisible PCB.
Each individual antenna features an M24SR64-Y Dynamic NFC/RFID tag IC connected to
an RF antenna on one side, and to an I2C bus on the other side.
All antennas are populated with M24SR64-Y Dynamic NFC/RFID tag IC but are applicable
to other densities.
The MATRIX-M24SR antenna matrix allows system designers to evaluate the M24SRXX-Y
family performance and capabilities and to get started with their design.
The MATRIX-M24SR gerber files can be downloaded from http://www.st.com.
Figure 1. ANT1, ANT2, ANT7, ANT13 and ANT14 block diagram
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DocID025534 Rev 2 3/6
MATRIX-M24SR Description
6
Figure 2. ANT10 block diagram
When associated with the DSILC6-4P6 (VBR = 8.1 V), the M24SR64-Y is compliant with the
IEC61000-4-2, level 3 (10 kV).
Figure 3. ANT9 block diagram
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Description MATRIX-M24SR
4/6 DocID025534 Rev 2
Figure 4. ANT11 block diagram
Figure 5. ANT12 block diagram
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DocID025534 Rev 2 5/6
MATRIX-M24SR Revision history
6
2 Revision history
Table 1. Document revision history
Date Revision Changes
04-Dec-2013 1 Initial release.
20-Dec-2013 2 Revised document classification
MATRIX-M24SR
6/6 DocID025534 Rev 2
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