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CLRC663 Datasheet(PDF) 100 Page - NXP Semiconductors

Part No. CLRC663
Description  Contactless reader IC
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Maker  NXP [NXP Semiconductors]
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CLRC663 Datasheet(HTML) 100 Page - NXP Semiconductors

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CLRC663
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2012. All rights reserved.
Product data sheet
COMPANY PUBLIC
Rev. 3.3 — 3 April 2012
171133
100 of 132
NXP Semiconductors
CLRC663
Contactless reader IC
9.14.2 LPCD_QMax
9.14.3 LPCD_IMin
9.14.4 LPCD_Result_I
Table 179. LPCD_QMax register (address 40h)
Bit
7
6
5
4
3
2
1
0
Symbol
LPCD_IMax.3
LPCD_IMax.2
LPCD_QMax
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r/w
r/w
r/w
Table 180. LPCD_QMax bits
Bit
Symbol
Description
7
LPCD_IMax.3
Defines the bit 3 of the high border for the LPCD. If the measurement
value of the I channel is higher than LPCD IMax, a LPCD IRQ is
raised
6
LPCD_IMax.2
Defines the bit 2 of the high border for the LPCD. If the measurement
value of the I channel is higher than LPCD IMax, a LPCD IRQ is
raised
5 to 0
LPCD_QMax
Defines the high border for the LPCD. If the measurement value of
the Q channel is higher than LPCD QMax, a LPCD IRQ is raised
Table 181. LPCD_IMin register (address 41h)
Bit
7
6
5
4
3
2
1
0
Symbol
LPCD_IMax.1
LPCD_IMax.0
LPCD_IMin
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rights
r/w
r/w
r/w
Table 182. LPCD_IMin bits
Bit
Symbol
Description
7 to 6
LPCD_IMax
Defines lowest two bits of the higher border for the low-power card
detection (LPCD). If the measurement value of the I channel is higher
than LPCD IMax, a LPCD IRQ is raised.
5 to 0
LPCD_IMin
Defines the lower border for the ow power card detection. If the
measurement value of the I channel is lower than LPCD IMin, a LPCD
IRQ is raised.
Table 183. LPCD_Result_I register (address 42h)
Bit
7
6
5
4
3
2
1
0
Symbol
RFU-
RFU-
LPCD_Result_I
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--
r
Table 184. LPCD_I_Result bits
Bit
Symbol
Description
7 to 6
RFU
-
5 to 0
LPCD_Result_I Shows the result of the last low-power card detection (I-Channel)


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