mfrc531 NXP Semiconductors, mfrc531 Datasheet - Page 47

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

NXP Semiconductors
MFRC531_34
Product data sheet
PUBLIC
Table 38.
Flag(s)
StandBy
SubCPulses[2:0]
TauB[1:0]
TauD[1:0]
TAutoRestart
TestAnaOutSel[4:0]
TestDigiSignalSel[6:0]
TimerIEn
TimerIRq
TimerValue[7:0]
TimeSlotPeriod[7:0]
TimeSlotPeriodMSB
TPreScaler[4:0]
TReloadValue[7:0]
TRunning
TStartTxBegin
TStartTxEnd
TStartNow
TStopRxBegin
TStopRxEnd
TStopNow
TX1RFEn
TX2Cw
TX2Inv
TX2RFEn
TxCoding[2:0]
TxCRCEn
TxIEn
TxIRq
TxLastBits[2:0]
UsePageSelect
WaterLevel[5:0]
ZeroAfterColl
MFRC531 register flags overview
Rev. 3.4 — 26 January 2010
MFOUTSelect
Page
Register
Control
RxControl1
BPSKDemControl
BPSKDemControl
TimerClock
TestAnaSelect
TestDigiSelect
InterruptEn
InterruptRq
TimerValue
TimeSlotPeriod
TimerClock
TimerReload
SecondaryStatus
TimerControl
TimerControl
Control
TimerControl
TimerControl
Control
TxControl
TxControl
TxControl
TxControl
CoderControl
ChannelRedundancy
InterruptEn
InterruptRq
BitFraming
FIFOLevel
DecoderControl
056634
…continued
5
7 to 5
1 to 0
3 to 2
6 to 0
5
5
7 to 0
7 to 0
4
7 to 0
7
0
1
1
2
3
2
0
3
3
1
2 to 0
2
4
4
2 to 0
7
Bit
5
3 to 0
4 to 0
5 to 0
7
Address
09h
19h
1Dh
1Dh
2Ah
3Ah
3Dh
06h
07h
0Ch
25h
26h
2Ch
05h
2Bh
2Bh
09h
2Bh
2Bh
09h
11h
11h
11h
11h
14h
22h
06h
07h
0Fh
00h, 08h, 10h, 18h, 20h, 28h, 30h
and 38h
29h
1Ah, bit 5
2Ah
ISO/IEC 14443 reader IC
MFRC531
© NXP B.V. 2010. All rights reserved.
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