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[v2-11] 2016-Jun-13

AS3911 − Application Information

Collision Display Register

Figure 79:

Collision Display Register

Note(s):

1. At power-up and after direct commands Set Default and Clear, content of this register is set to 0.

Address 1Ch: Collision Display Register (for ISO14443A and

NFCIP-1bit rate fc/128 Rx)

Type: R

Bit

Name

Default

Function

Comments

7c_byte3

Number of full bytes before the

bit collision happened.

The Collision Display

ISO14443A anticollision

command. In case collision (or

framing error which is

interpreted as collision)

happens in a longer message,

the Collision Display

6c_byte2

5c_byte1

4c_byte0

3c_bit2

Number of bits before the

collision in the byte where the

collision happened

2c_bit1

1c_bit0

c_pb

Collision in parity bit

This is an error, reported in

case it is the first collision

detected

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