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CLRC663 Datasheet(PDF) 112 Page - NXP Semiconductors

Part # CLRC663
Description  High performance multi-protocol NFC frontend CLRC663 and CLRC663 plus
PDF  177 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

CLRC663 Datasheet(HTML) 112 Page - NXP Semiconductors

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NXP Semiconductors
CLRC663
High performance multi-protocol NFC frontend CLRC663 and CLRC663 plus
Bit
Symbol
Description
1: a nibble of bits is interpreted as one bit in following way:
{data, coll} data = zero or one; coll = 1 means a collision on this bit.
Note: if Coll = 1 the value of data is ignored.
2: the synchronization is done at every start bit of each byte (type B)
3: RFU
Table 240. RxSyncMod bits...continued
9.17.6 RxMod
Bit
7
6
5
4
3
2
1
0
Symbol
RFU
RFU
PreFilter
RectFilter
SyncHigh
CorrInv
FSK
BPSK
Access
rights
-
-
r/w
r/w
r/w
r/w
r/w
r/w
Table 241. RxMod register (address 5Dh)
Bit
Symbol
Description
7 to 6
-
RFU
5
PreFilter
If set 4 samples are combined to one data. (average).
4
RectFilter
If set, the ADC-values are changed to a more rectangular wave shape.
3
SyncHigh
Defines if the bit grid is fixed at maximum (1) or at minimum (0) value of the correlation.
2
CorrInv
Defines a logical for Manchester coding:
0: subcarrier / no subcarrier.
1
FSK
If set to 1, the demodulation scheme is set to FSK.
0
BPSK
If set to 1, the modulation scheme is BPSK.
Table 242. RxMod bits
9.17.7 RxCorr
Bit
7
6
5
4
3
2
1
0
Symbol
CorrFreq
CorrSpeed
CorrLen
RFU
Access
rights
r/w
r/w
r/w
r/w
r/w
-
Table 243. RxCorr register (address 5Eh)
Bit
Symbol
Description
7, 6
CorrFreq
0h - 212 kHz
1h - 424 kHz
2h - 848 kHz
3h - 848 kHz
5, 4
CorrSpeed
Defines the number of clocks used for one correlation.
0h - ISO/IEC 14443
Table 244. RxCorr bits
CLRC663
All information provided in this document is subject to legal disclaimers.
© 2024 NXP B.V. All rights reserved.
Product data sheet
Rev. 5.3 — 3 January 2024
112 / 177



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