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MFRC523 Datasheet(PDF) 2 Page - NXP Semiconductors

Part No. MFRC523
Description  Contactless reader IC
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Maker  NXP [NXP Semiconductors]
Homepage  http://www.nxp.com
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MFRC523 Datasheet(HTML) 2 Page - NXP Semiconductors

 
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MFRC523_33
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2010. All rights reserved.
Product data sheet
PUBLIC
Rev. 3.3 — 5 March 2010
115233
2 of 98
NXP Semiconductors
MFRC523
Contactless reader IC
3.
Features and benefits
Highly integrated analog circuitry to demodulate and decode responses
Buffered output drivers for connecting an antenna with the minimum number of
external components
Supports ISO/IEC 14443 A/MIFARE
Supports ISO/IEC 14443 B Read/Write modes
Typical operating distance in Read/Write mode up to 50 mm depending on the
antenna size and tuning
Supports MIFARE Mini, MIFARE 1K and MIFARE 4K encryption in Read/Write mode
Supports ISO/IEC 14443 A higher transfer speed communication at 212 kBd, 424 kBd
and 848 kBd
Supports MFIN/MFOUT
Additional internal power supply to the smart card IC connected via MFIN/MFOUT
Supported host interfaces
SPI up to 10 Mbit/s
I2C-bus interface up to 400 kBd in Fast mode, up to 3400 kBd in High-speed mode
RS232 Serial UART up to 1228.8 kBd, with voltage levels dependant on pin
voltage supply
FIFO buffer handles 64 byte send and receive
Flexible interrupt modes
Hard reset with low power function
Power-down by software mode
Programmable timer
Internal oscillator for connection to 27.12 MHz quartz crystal
2.5 V to 3.3 V power supply
CRC coprocessor
Programmable I/O pins
Internal self-test
4.
Quick reference data
Table 1.
Quick reference data
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VDDA
analog supply voltage
VDD(PVDD) ≤ VDDA = VDDD = VDD(TVDD);
VSSA =VSSD =VSS(PVSS) =VSS(TVSS) =0V
[1][2] 2.5
3.3
3.6
V
VDDD
digital supply voltage
2.5
3.3
3.6
V
VDD(TVDD) TVDD supply voltage
2.5
3.3
3.6
V
VDD(PVDD) PVDD supply voltage
[3] 1.6
1.8
3.6
V
VDD(SVDD) SVDD supply voltage
VSSA =VSSD =VSS(PVSS) =VSS(TVSS) = 0 V
1.6
-
3.6
V
Ipd
power-down current
VDDA =VDDD = VDD(TVDD) =VDD(PVDD) =3V
hard power-down; pin NRSTPD set LOW
[4] --
5
μA
soft power-down; RF level detector on
[4] --
10
μA
IDDD
digital supply current
pin DVDD; VDDD =3V
-
6.5
9
mA


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