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MFRC63002R Datasheet(PDF) 93 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) 93 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
93 of 118
NXP Semiconductors
MFRC630
Contactless reader IC
9.14 Low-power card detection configuration registers
The LPCD registers contain the settings for the low-power card detection. The setting for
LPCD_IMax (6 bits) is done by the two highest bits (bit 7, bit 6) of the registers
LPCD_QMin, LPCD_QMax and LPCD_IMin each.
9.14.1 LPCD_QMin
9.14.2 LPCD_QMax
5RFU
6RFU
7RFU
88
99
10
10
...
...
253
253
254
254
Table 168. Setting for the output divider ratio PLLDiv_Out [7:0]
Value
Division
Table 169. LPCD_QMin register (address 3Fh)
Bit
7
6
5
4
3
2
1
0
Symbol
LPCD_IMax.5
LPCD_IMax.4
LPCD_QMin
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Table 170. LPCD_QMin bits
Bit
Symbol
Description
7, 6
LPCD_IMax
Defines the highest two bits of the higher border for the LPCD. If the
measurement value of the I channel is higher than LPCD_IMax, a
LPCD interrupt request is indicated by bit IRQ0.LPCDIrq.
5 to 0
LPCD_QMin
Defines the lower border for the LPCD. If the measurement value of
the Q channel is higher than LPCD_QMin, a LPCDinterrupt request is
indicated by bit IRQ0.LPCDIrq.
Table 171. 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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