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remove spurious char
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doegox committed Sep 4, 2021
1 parent 7404695 commit 1994b99
Showing 1 changed file with 1 addition and 1 deletion.
2 changes: 1 addition & 1 deletion fpga-xc3s100e/hi_iso14443a.v
Original file line number Diff line number Diff line change
Expand Up @@ -38,7 +38,7 @@ begin
else if(adc_d < 8) after_hysteresis <= 1'b0; // U < 1,04V -> after_hysteresis = 0
// Note: was >= 3,53V and <= 1,19V. The new trigger values allow more reliable detection of the first bit
// (it might not reach 3,53V due to the high time constant of the high pass filter in the analogue RF part).
// In addition, the new values are more in line with ISO14443-2: "The PICC shall detect the ”End of Pause�after the field exceeds
// In addition, the new values are more in line with ISO14443-2: "The PICC shall detect the End of Pause” after the field exceeds
// 5% of H_INITIAL and before it exceeds 60% of H_INITIAL." Depending on the signal strength, 60% might well be less than 3,53V.


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