ST21NFCDXBGARA7
STMicroelectronics
ST21NFCDXBGARA7
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- NFC Forum Type 1/2/3/4/5 tags
- ISO/IEC 15693
WFBGA
-MIFARE Classic(aXb)
一 Thinfilm (ex Kovio) Barcode
●Active mode - Card Emulation
WFBGA 64-pin (4 x 4 x 0.8 mm)
- ISO/IEC 14443 Type A & B
- JIS X 6319-4
- MIFARE® Classic(a)(b) through SWP-CLT
Hardware features
External communication interfaces
● ARM Cortex®-M3 microcontroller
● Two SWP master interfaces up to 1.695 Mbit/s
eFlash for full firmware update
● I²C slave interface up to 3.4 MHz
●Enhanced Active load modulation technology
● Slave and master SPI interface (up to 13 MHz)
Enhanced TX drive up to 1.3 W
● HSUART interface up to 6 Mbit/s
Compatible with extremely small or metal
frame antennas
Security features
●Optimized power consumption modes
●Secure firmware update mechanism
●Battery voltage monitoring
·System clock
Electrical characteristics
一 FracN PLL input range from 13 to
● Battery voltage support from 2.4 V to 5 V
76.8 MHz
I/O dedicated voltage level(Vps_o) from
一27.12 MHz external crystal oscillator
1.62 V to 3.3 V
Integrated PMU
●Supports Class B and C operating conditions
LDOs for internal voltages
for UICC
2 xLDOs for external voltages
● Ambient operating temperature -25 to + 85 °C
-Voltage detectors for supplies monitoring
- Low power mode state machine
Applications
●Automatic Wake-Up via communication
Mobile devices
interfaces,internal timers,GPIO, RF field or
Wearable devices
tag detection
SmartWatch
Support of an external DC/DC converter for TX
Secure Connected Devices
supply
RF communications
a. MIFARE R/W mode feature availability is pending to
● Active and passive Peer-to-Peer
license conditions. Please contact your local ST
一 ISO/IEC 18092 -NFCIP-1 Initiator & Target
representative for further information.
●Passive mode -Reader/Writer
b. MIFARE is a register trademark of NXP B.V. in the
U.S and other jurisdictions,and is used under license.
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