PN532 Datasheet, PDF (19/27 Pages) NXP Semiconductors – Near Field Communication (NFC) controller

NXP Semiconductors
PN532/C1
Near Field Communication (NFC) controller
PN532
80C51
CIU
Control Register bank
State Machine
CIU_Command register
CCIUIUFFIFIFOOccoonntrtorol ^l
CIU 64-byte FIFO
MIFARE Classic unit
Programmable timer
CIU interrupt control
CRC16 generation & check
Random Number Generator
Antenna presence Self Test
AAmmpplliittuuddee
Rraattiningg
Reference
Voltage
Clock generation
Filtering
Distribution
Analog-to-Digital Converter
I-channel
Q-channel
Amplifier(LNA) Amplifier(LNA)
I-channel
Demodulator
Q-channel
Demodulator
Parallel/Serial Converter
Bit Counter
Parity Generation & Check
Frame Generation & Check
BBiittddeeccooddiinngg ^{Bit coding}
Card Mode Detector
Serial Data Switch
RF clock
recovery
RF level
Detector
Temperature
sensor
Transmitter control
TX1 driver
TX2 driver
LOADMOD
SIGIN
SIGOUT
VMID
RX
Fig 12. CIU detailed block diagram
TX1
TX2
PN512_C1_SDS
Product short data sheet
COMPANY PUBLIC
All information provided in this document is subject to legal disclaimers.
Rev. 3.2 — 20 September 2012
120132
© NXP B.V. 2012. All rights reserved.
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