English
Language : 

CLRC663 Datasheet, PDF (15/132 Pages) NXP Semiconductors – Contactless reader IC
NXP Semiconductors
CLRC663
Contactless reader IC
Table 9. Communication overview for ISO/IEC 15693 reader/writer reader to label
Communication
direction
Signal type
Transfer speed
fc / 8192 kbit/s
fc / 512 kbit/s
Reader to label (send
data from the
CLRC663 to a card)
reader side
modulation
bit encoding
10 % to 30 % ASK or
100 % ASK
1/256
10 % to 30 % ASK 90 %
to 100 % ASK
1/4
bit length
4.833 ms
302.08 ms
Table 10. Communication overview for ISO/IEC 15693 reader/writer label to reader
Communication Signal type Transfer speed
direction
6.62 (6.67) kbit/s 13.24
kbit/s[1]
26.48
52.96 kbit/s
(26.69) kbit/s
Label to reader
(CLRC663
receives data
from a card)
fc = 13.56 MHz
card side not supported
modulation
not supported single (dual)
subcarrier
load
modulation
ASK
single
subcarrier
load
modulation
ASK
bit length -
(ms)
-
37.76 (3.746) 18.88
bit encoding -
-
Manchester Manchester
coding
coding
subcarrier -
frequency
[MHz]
-
fc / 32
fc / 32
(fc / 28)
[1] Fast inventory (page) read command only (ICODE proprietary command).
pulse
modulated
carrier
~9.44 μs
~18.88 μs
01234
. . .2. . . . . . . . . .
2
5
~4,833 ms
. . . . . . . . . . 2222
5555
2345
001aam272
Fig 10. Data coding according to ISO/IEC 15693. standard mode reader to label
CLRC663
Product data sheet
COMPANY PUBLIC
All information provided in this document is subject to legal disclaimers.
Rev. 3.3 — 3 April 2012
171133
© NXP B.V. 2012. All rights reserved.
15 of 132