MFRC522_(2007) 데이터 시트보기 (PDF) - NXP Semiconductors.
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MFRC522_ Datasheet PDF : 109 Pages
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NXP Semiconductors
MFRC522
Contactless Reader IC
Table 5: MFRC522 Registers Overview …continued
Addr
(hex)
Register Name Function
1
CRCResultReg Shows the actual MSB and LSB values of the CRC calculation
2
3
Reserved
Reserved for future use
4
ModWidthReg Controls the setting of the ModWidth
5
Reserved
Reserved for future use
6
RFCfgReg
Configures the receiver gain
7
GsNReg
Selects the conductance of the antenna driver pins TX1 and TX2 for
8
CWGsPReg
modulation
9
ModGsPReg
A
TModeReg
Defines settings for the internal timer
B
TPrescalerReg
C
TReloadReg
Describes the 16 bit timer reload value
D
E
TCounterValReg Shows the 16 bit actual timer value
F
Page 3: TestRegister
0
Reserved
Reserved for future use
1
TestSel1Reg
General test signal configuration
2
TestSel2Reg
General test signal configuration and PRBS control
3
TestPinEnReg Enables pin output driver on D1-D7
4
TestPinValueReg Defines the values for D1 - D7 when it is used as I/O bus
5
TestBusReg
Shows the status of the internal testbus
6
AutoTestReg
Controls the digital selftest
7
VersionReg
Shows the version
8
AnalogTestReg Controls the pins AUX1 and AUX2
9
TestDAC1Reg Defines the test value for the TestDAC1
A
TestDAC2Reg Defines the test value for the TestDAC2
B
TestADCReg
Shows the actual value of ADC I and Q
C-F
Reserved
Reserved for production tests
112132
Product data sheet
Rev. 3.2 — 22 May 2007
© NXP B.V. 2007. All rights reserved.
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