mfrc522 NXP Semiconductors, mfrc522 Datasheet - Page 7
mfrc522
Manufacturer Part Number
mfrc522
Description
Contactless Reader Ic
Manufacturer
NXP Semiconductors
Datasheet
1.MFRC522.pdf
(109 pages)
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NXP Semiconductors
7. Pinning information
112132
Product data sheet
7.1 Pinning
7.2 Pin description
Table 3:
Symbol
I
PVDD
DVDD
DVSS
PVSS
NRSTPD
MFIN
MFOUT
SVDD
TVSS
2
Fig 3. Pinning configuration HVQFN32 (SOT617-1).
C
Pin description
1
2
3
4
5
6
7
8
9
10, 14
Pin
Rev. 3.2 — 22 May 2007
Type
I
PWR
PWR
PWR
PWR
I
I
O
PWR
PWR
Description
I2C enable
Pad power supply
Digital Power Supply
Digital Ground
Pad power supply ground
Not Reset and Power-down: When LOW, internal current
sinks are switched off, the oscillator is inhibited, and the input
pads are disconnected from the outside world. With a positive
edge on this pin the internal reset phase starts.
Mifare Signal Input
Mifare Signal Output
MFIN / MFOUT Pad Power Supply: provides power to for the
MFIN / MFOUT pads
Transmitter Ground: supplies the output stage of TX1 and
TX2
[2]
[1]
Contactless Reader IC
MFRC522
© NXP B.V. 2007. All rights reserved.
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