Datasheet

9397 750 XXXXX © Koninklijke Philips Electronics N.V. 2006. All rights reserved.
Short form data sheet Rev. 1.2 — 31 March 2011 5 of 25
Philips Semiconductors
PN532/C1
NFC controller
7. Block diagram
Fig 1. Block diagram of PN532
VBAT
REGULATOR
POR
DVDD
ROMif
Xramif
Hostif
I
2
C
Timer0/1
Timer2
Intc
SFRif
RAM
ROM
PCR
80C51
TCB
Ports
MINT
RAM
FIFO
Manager
SPI
HSU
Osc27
RSTPDN
RF
Demod
Antenna
ADC
DriverDetector
FiFO
TIMER
Mifare Classic Unit
Framing Gen. & Check
Signal Processing
Clock
Recovery
CL UART
Transmit
Control
TVDD
AVDD
PVDD
PN532
Clock
Generator
Sensor
VMID
BG
UART
SVDD
SIGINSIGOUTP34
SVDDswitch
sam_switch_en
sam_switch_overload
wake-up
monitoring