MFRC52201HN1/TRAYB NXP [NXP Semiconductors], MFRC52201HN1/TRAYB Datasheet - Page 34

• Manufacturer Part Number: MFRC52201HN1/TRAYB
• Description: Contactless reader IC
• Manufacturer: NXP [NXP Semiconductors]

NXP Semiconductors
Table 20.
MFRC522_33
Product data sheet
PUBLIC
Address
(hex)
Page 0: Command and status
00h
01h
02h
03h
04h
05h
06h
07h
08h
09h
0Ah
0Bh
0Ch
0Dh
0Eh
0Fh
Page 1: Command
10h
11h
12h
13h
14h
15h
16h
17h
18h
19h
1Ah
1Bh
1Ch
1Dh
1Eh
1Fh
Page 2: Configuration
20h
MFRC522 register overview
Register name
Reserved
CommandReg
ComlEnReg
DivlEnReg
ComIrqReg
DivIrqReg
ErrorReg
Status1Reg
Status2Reg
FIFODataReg
FIFOLevelReg
WaterLevelReg
ControlReg
BitFramingReg
CollReg
Reserved
Reserved
ModeReg
TxModeReg
RxModeReg
TxControlReg
TxASKReg
TxSelReg
RxSelReg
RxThresholdReg
DemodReg
Reserved
Reserved
MfTxReg
MfRxReg
Reserved
SerialSpeedReg
Reserved
9.2 Register overview
Function
reserved for future use
starts and stops command execution
enable and disable interrupt request control bits
enable and disable interrupt request control bits
interrupt request bits
interrupt request bits
error bits showing the error status of the last command
executed
communication status bits
receiver and transmitter status bits
input and output of 64 byte FIFO buffer
number of bytes stored in the FIFO buffer
level for FIFO underflow and overflow warning
miscellaneous control registers
adjustments for bit-oriented frames
bit position of the first bit-collision detected on the RF
interface
reserved for future use
reserved for future use
defines general modes for transmitting and receiving
defines transmission data rate and framing
defines reception data rate and framing
controls the logical behavior of the antenna driver pins TX1
and TX2
controls the setting of the transmission modulation
selects the internal sources for the antenna driver
selects internal receiver settings
selects thresholds for the bit decoder
defines demodulator settings
reserved for future use
reserved for future use
controls some MIFARE communication transmit parameters
controls some MIFARE communication receive parameters
reserved for future use
selects the speed of the serial UART interface
reserved for future use
Rev. 3 — 26 October 2009
112133
Refer to
Table 21 on page 36
Table 23 on page 36
Table 25 on page 36
Table 27 on page 37
Table 29 on page 37
Table 31 on page 38
Table 33 on page 39
Table 35 on page 40
Table 37 on page 41
Table 39 on page 42
Table 41 on page 42
Table 43 on page 42
Table 45 on page 43
Table 47 on page 44
Table 49 on page 44
Table 51 on page 45
Table 53 on page 45
Table 55 on page 46
Table 57 on page 46
Table 59 on page 47
Table 61 on page 48
Table 63 on page 49
Table 65 on page 49
Table 67 on page 50
Table 69 on page 51
Table 71 on page 51
Table 73 on page 52
Table 75 on page 52
Table 77 on page 52
Table 79 on page 53
Table 81 on page 53
Table 83 on page 53
Table 85 on page 54
Contactless reader IC
MFRC522
© NXP B.V. 2009. All rights reserved.
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