MFRC52201HN1,151 NXP Semiconductors, MFRC52201HN1,151 Datasheet - Page 35
MFRC52201HN1,151
Manufacturer Part Number
MFRC52201HN1,151
Description
IC READER 13.56MHZ 32-HVQFN
Manufacturer
NXP Semiconductors
Datasheet
1.MFRC52201HN1157.pdf
(109 pages)
Specifications of MFRC52201HN1,151
Rf Type
Read / Write
Frequency
13.56MHz
Package / Case
32-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
935280547151
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Product data sheet
9.2.3.6 RFCfgReg
9.2.3.7 GsNReg
Configures the receiver gain.
Table 83:
Table 84:
Selects the conductance for the N-driver of the antenna driver pins TX1 and TX2 when the
driver is switched on.
Table 85:
Table 86:
Bit
7
6 to 4
3 to 0
Bit
7 to 4
3 to 0
Symbol
Access
Symbol
Access
Rights
Rights
Bit
Bit
Symbol
CWGsN
ModGsN
Symbol
-
RxGain
-
RFCfgReg register (address 26h); reset value: 48h
Description of RFCfgReg bits
GsNReg register (address 27h); reset value: 88h
Description of GsNOnReg bits
RFU
7
7
-
Description
The value of this register defines the conductance of the output N-driver
during times of no modulation. This may be used to regulate the output
power and subsequently current consumption and operating distance.
Remark: The conductance value is binary weighted.
The value of this register defines the conductance of the output N-driver for
the time of modulation. This may be used to regulate the modulation index.
Remark: The conductance value is binary weighted.
Rev. 3.2 — 22 May 2007
6
6
Description
Reserved for future use.
This register defines the receivers signal voltage gain factor:
Value
000
001
010
011
100
101
110
111
.Reserved for future use.
CWGsN
r/w
During soft Power-down mode the highest bit is forced to 1.
This value is only used if the driver TX1 or TX2 are switched on.
During soft Power-down mode the highest bit is forced to 1.
This value is only used if the driver TX1 or Tx2 are switched on.
RxGain
r/w
5
5
Description
18 dB
23 dB
18 dB
23 dB
33 dB
38 dB
43 dB
48 dB
4
4
3
3
2
2
ModGsN
Contactless Reader IC
RFU
r/w
MFRC522
-
© NXP B.V. 2007. All rights reserved.
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