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CR14 Datasheet(PDF) 40 Page - STMicroelectronics

Part # CR14
Description  Low Cost ISO14443 type-B Contactless Coupler Chip with Anti-Collision and CRC Management
PDF  46 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

CR14 Datasheet(HTML) 40 Page - STMicroelectronics

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9 DC and AC parameters
CR14
40/46
Figure 35. CR14 Synchronous Timing
tRFSBL
tRFF
tRFR
B
A
tPOR
VRFOUT
fCC
RFOUT ASK Modulated Signal
1
0
1
EOF
DATA
FRAME transmitted by the CR14 in ASK
847kHz
SOF
1 1 0 DATA
1 0 DATA
1 0
FRAME transmitted by the PICC in BPSK
tDR
tDR
t0
t1
tDA
tDA
0
START
tRFSBL
tRFSBL
tRFSBL
tRFSBL
tRFSBL
tJIT
tJIT
tJIT
tJIT
tJIT
Data jitter on FRAME transmitted by the CR14 in ASK
ai12056
FRAME transmission between the reader and the contactless device



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