mfrc531 NXP Semiconductors, mfrc531 Datasheet - Page 45

• Manufacturer Part Number: mfrc531
• Description: Iso/iec 14443 Reader Ic
• Manufacturer: NXP Semiconductors

NXP Semiconductors
MFRC531_34
Product data sheet
PUBLIC
10.4 MFRC531 register flags overview
Table 38.
Flag(s)
AccessErr
BitPhase[7:0]
CharSpacing[2:0]
ClkQ180Deg
ClkQCalib
ClkQDelay[4:0]
CoderRate[2:0]
CollErr
CollLevel[3:0]
CollPos[7:0]
Command[5:0]
CRC3309
CRC8
CRCErr
CRCPresetLSB[7:0]
CRCPresetMSB[7:0]
CRCReady
CRCResultMSB[7:0]
CRCResultLSB[7:0]
Crypto1On
DecoderSource[1:0]
E2Ready
EOFWidth
Err
FIFOData[7:0]
FIFOLength[6:0]
FIFOOvfl
FilterAmpDet
FlushFIFO
Force100ASK
FramingErr
Gain[1:0]
GsCfgCW[5:0]
GsCfgMod[5:0]
HiAlert
HiAlertIEn
HiAlertIRq
IdleIEn
IdleIRq
MFRC531 register flags overview
Rev. 3.4 — 26 January 2010
Register
ErrorFlag
BitPhase
TypeBFraming
ClockQControl
ClockQControl
ClockQControl
CoderControl
ErrorFlag
RxThreshold
CollPos
Command
ChannelRedundancy
ChannelRedundancy
ErrorFlag
CRCPresetLSB
CRCPresetMSB
SecondaryStatus
CRCResultMSB
CRCResultLSB
Control
RxControl2
SecondaryStatus
TypeBFraming
PrimaryStatus
FIFOData
FIFOLength
ErrorFlag
BPSKDemControl
Control
TxControl
ErrorFlag
RxControl1
CwConductance
ModConductance
PrimaryStatus
InterruptEn
InterruptRq
InterruptEn
InterruptRq
056634
5
4 to 2
7
6
4 to 0
5 to 3
0
3 to 0
5 to 0
5
4
3
7 to 0
5
7 to 0
3
1 to 0
6
5
2
4
0
4
2
1 to 0
5 to 0
5 to 0
1
1
1
2
2
Bit
7 to 0
7 to 0
7 to 0
7 to 0
7 to 0
6 to 0
4
Address
0Ah
1Bh
17h,
1Fh
1Fh
1Fh
14h
0Ah
1Ch
0Bh
01h
22h
22h
0Ah
23h
24h
05h
0Eh
0Dh
09h
1Eh
05h
17h
03h
02h
04h
0Ah
1Dh
09h
11h
0Ah
19h
12h
13h
03h
06h
07h
06h
07h
ISO/IEC 14443 reader IC
MFRC531
© NXP B.V. 2010. All rights reserved.
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