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CLRC663 Datasheet(PDF) 108 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) 108 Page - NXP Semiconductors

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NXP Semiconductors
CLRC663
High performance multi-protocol NFC frontend CLRC663 and CLRC663 plus
Bit
Symbol
Description
7
RFU
-
6
Sym1BurstType
Specifies the type of the burst of Symbol1 (logical zero / logical one).
5
Sym1BurstOnly
If set to 1 Symbol1 consists only of a burst and no symbol pattern.
4
Sym1BurstEn
Enables the burst of symbol 1 of the length defined in TxSym10BurstLen.
3
RFU
-
2
Sym0BurstType
Specifies the type of the burst of symbol 0 (logical zero / logical one).
1
Sym0BurstOnly
If set to 1, symbol 0 consists only of a burst and no symbol pattern.
0
Sym0BurstEn
Enables the burst of symbol 0 of the length defined in TxSym10BurstLen.
Table 226. TxSym10BurstCtrl bits
9.16.12 TxSym10Mod Reg
Bit
7
6
5
4
3
2
1
0
Symbol
RFU
S10MillerEn
S10PulseType
S10Inv
S10EnvType
Access
rights
-
r/w
r/w
r/w
r/w
Table 227. TxSym10Mod register (address 56h)
Bit
Symbol
Description
7
RFU
-
6
S10MillerEn
If set, pulse modulation is applied according to modified miller code.
Note: This bit shall be set only if S10PulseType is set to 1h.
5 to 4
S10PulseType
Specifies which type of pulse modulation is selected:
0h - no pulse modulation
1h - pulse starts at beginning of bit
2h - pulse starts at beginning of second bit half
3h - pulse starts at beginning of third bit quarter
3
S10Inv
If set. the output of Symbol0 and Symbol1 is inverted.
2 to 0
S10EnvType
Specifies the type of envelope used for transmission of Symbol0 and Symbol1. The
pseudo bit stream is logically combined with the selected envelope type.
0h - Direct output
1h - Manchester code
2h - Manchester code with subcarrier
3h - BPKSK
4h - RZ return zero, pulse of half bit length at beginning of second half of bit
5h - RZ return zero, pulse of half bit length at beginning of second half of bit
6h - RFU
7h - RFU
Table 228. TxSym10Mod 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
108 / 177



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