SR176_07 Datasheet, PDF (28/35 Pages) STMicroelectronics – 13.56 MHz, 176-bit short range contactless user EEPROM with 64-bit Unique ID

DC and ac parameters
SR176
Figure 43. ASK modulated signal from the Reader to the contactless device
A
B ^tRFF
tRFSBL
tRFR
fCC
tMIN _CD
AI09061B
Figure 44. Frame transmission between the Reader and the contactless device
tDR
tDR
1 0 DATA 1
EOF
Frame Transmitted by the Reader in ASK
Frame Transmitted by the SR176
in BPSK
847.5kHz SOF 11 0 DATA 1 0 CRC 1 0
t0
t1
tDA
tDA
tDA
AI09786
Figure 45. Data jitter on the frame transmitted by the Reader in ASK
tJIT
tJIT
tJIT
tJIT
tJIT
0
START
tRFSBL tRFSBL tRFSBL tRFSBL tRFSBL
AI09787
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