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MFRC63002R Datasheet(PDF) 94 Page - NXP Semiconductors

Part # MFRC63002R
Description  Contactless reader IC
PDF  118 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

MFRC63002R Datasheet(HTML) 94 Page - NXP Semiconductors

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MFRC630
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2012. All rights reserved.
Product data sheet
COMPANY PUBLIC
Rev. 3.1 — 6 September 2012
227531
94 of 118
NXP Semiconductors
MFRC630
Contactless reader IC
9.14.3 LPCD_IMin
9.14.4 LPCD_Result_I
9.14.5 LPCD_Result_Q
Table 172. 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 173. LPCD_IMin register (address 41h)
Bit
7
6
5
4
3
2
1
0
Symbol
LPCD_IMax.1
LPCD_IMax.0
LPCD_IMin
Access
rights
r/w
r/w
r/w
Table 174. 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 175. LPCD_Result_I register (address 42h)
Bit
7
6
5
4
3
2
1
0
Symbol
RFU-
RFU-
LPCD_Result_I
Access
rights
--
r
Table 176. 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).
Table 177. LPCD_Result_Q register (address 43h)
Bit
7
6
5
4
3
2
1
0
Symbol
RFU
LPCD_Irq_Clr
LPCD_Reslult_Q
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rights
r/w
r



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