Block Diagram
Table Of Contents
47 mm x 34 mm,
four turns, 13.56
MHz inductive
antenna
Impedance
Matching
ST25R3916B
C
N
8
C
N
6
C
N
5
C
N
9
GND
x6
x6
GND
27.12MHz
I2C
3V3
IOREF
RESET
5V
GND
LEDS control
signal x6
LEDS control
signal x6
x6
SPI
x2
x4
LEDS control
signal x4
x6
SPI
x2
3V3
LED
13.56 MHz
13.56 MHz
13.56 MHz 13.56 MHz