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HCS473 Datasheet(PDF) 6 Page - Microchip Technology

Part # HCS473
Description  KEELOQ짰 3-Axis Transcoder
PDF  68 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

HCS473 Datasheet(HTML) 6 Page - Microchip Technology

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HCS473
DS40035D-page 6
Preliminary
 2000-2013 Microchip Technology Inc.
FIGURE 2-1:
HCS473 3-AXIS
APPLICATION
FIGURE 2-2:
HCS473 1-AXIS
APPLICATION
FIGURE 2-3:
S0/S1/S2 PIN DIAGRAM
FIGURE 2-4:
S3/RFEN PIN DIAGRAM
FIGURE 2-5:
DATA PIN DIAGRAM
RF
Circuit
HCS473
S0
S1
S2
VDDT
LCX
LCY
VDD
LED
DATA
VSS
VSST
LCCOM
LCZ
S3/RFEN
1
F
100nF
VDD
680pF
LX
LY
LZ
CX
CY
CZ
Note:
The 680pF capacitor prevents device instability - self
resonance.
RF
Circuit
HCS473
S0
S1
S2
VDDT
LCX
LCY
VDD
LED
DATA
VSS
VSST
LCCOM
LCZ
S3/RFEN
1
F
100nF
VDD
660 pF
100
LX
CX
100
Note:
Connect unused LC antenna inputs to LCCOM
through a 100
 resistor for proper bias conditions.
RPD
S0, S1, S2
Inputs
S3 Input/
RFEN
RFEN Output
VDD
RPD
NFET
PFET
Note:
RPD is disabled when driving RFEN.
VDD
RDATA
DATA
NFET
PFET
DATA OUT
Note:
RDATA is disabled when the DATA line is driven.



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