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MFRC523 Datasheet(PDF) 6 Page - NXP Semiconductors

Part No. MFRC523
Description  Contactless reader IC
Download  98 Pages
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Maker  NXP [NXP Semiconductors]
Homepage  http://www.nxp.com
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MFRC523 Datasheet(HTML) 6 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
6 of 98
NXP Semiconductors
MFRC523
Contactless reader IC
7.
Pinning information
7.1 Pin description
Fig 3.
Pinning configuration HVQFN32 (SOT617-1)
001aal155
MFRC523
Transparent top view
RX
MFIN
MFOUT
AVSS
NRSTPD
AUX1
PVSS
AUX2
DVSS
OSCIN
DVDD
OSCOUT
PVDD
IRQ
I2C
SDA/NSS/RX
8
17
7
18
6
19
5
20
4
21
3
22
2
23
1
24
Table 3.
Pin description
Pin
Symbol
Type[1] Description
1I2C
I
I2C-bus enable input[2]
2
PVDD
P
pin power supply
3
DVDD
P
digital power supply
4
DVSS
G
digital ground[3]
5
PVSS
G
pin power supply ground
6
NRSTPD
I
reset and power-down input:
power-down: enabled when LOW; internal current sinks are switched off, the oscillator
is inhibited and the input pins are disconnected from the outside world
reset: enabled by a positive edge
7
MFIN
I
MIFARE signal input
8
MFOUT
O
MIFARE signal output
9
SVDD
P
MFIN and MFOUT pin power supply
10
TVSS
G
transmitter output stage 1 ground
11
TX1
O
transmitter 1 modulated 13.56 MHz energy carrier output
12
TVDD
P
transmitter power supply: supplies the output stage of transmitters 1 and 2
13
TX2
O
transmitter 2 modulated 13.56 MHz energy carrier output
14
TVSS
G
transmitter output stage 2 ground
15
AVDD
P
analog power supply


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