CLRC632 Datasheet, PDF (139/163 Pages) NXP Semiconductors – Multiple Protocol Contactless Reader IC

Philips Semiconductors
Multiple Protocol Contactless Reader IC
Product Specification Rev. 3.0; May 2003
CL RC632
20 TYPICAL APPLICATION
20.1 Circuit Diagram
The figure below shows a typical application, where the antenna is directly connected to the CL RC632:
DVDD
Reset
AVDD TVDD
DVDD
Control Lines
RSTPD
AVDD TVDD
TX1
µProcessor
Data Bus
IRQ
IRQ
TVSS
CL RC632
TX2
RX
DVSS OSCIN OSCOUT AVSS
VMID
15 pF
13.56 MHz
15 pF
C4
100 nF
L0
C0
C1
C2a
C0
L0
R2
C2b
C1
C3
R1
Figure 20-1: Circuit Diagram for Application Example: Direct Matched Antenna
139
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