MFRC52201HN1/TRAYB NXP [NXP Semiconductors], MFRC52201HN1/TRAYB Datasheet - Page 41

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

NXP Semiconductors
MFRC522_33
Product data sheet
PUBLIC
9.3.1.9 Status2Reg register
Contains status bits of the receiver, transmitter and data mode detector.
Table 37.
Table 38.
Bit
Symbol
Access
Bit
7
6
5 to 4
3
2 to 0
Symbol
TempSensClear
I
reserved
MFCrypto1On
ModemState[2:0]
2
CForceHS
TempSensClear
Status2Reg register (address 08h); reset value: 00h bit allocation
Status2Reg register bit descriptions
R/W
7
Rev. 3 — 26 October 2009
I
Value
1
1
0
-
-
-
000
001
010
011
100
101
110
2
CForceHS
R/W
112133
6
Description
clears the temperature error if the temperature is below the
alarm limit of 125 C
I
reserved
indicates that the MIFARE Crypto1 unit is switched on and
therefore all data communication with the card is encrypted
can only be set to logic 1 by a successful execution of the
MFAuthent command
only valid in Read/Write mode for MIFARE standard cards
this bit is cleared by software
shows the state of the transmitter and receiver state
machines:
2
C-bus input filter settings:
the I
independent of the I
the I
idle
wait for the BitFramingReg register’s StartSend bit
TxWait: wait until RF field is present if the TModeReg
register’s TxWaitRF bit is set to logic 1
the minimum time for TxWait is defined by the TxWaitReg
register
transmitting
RxWait: wait until RF field is present if the TModeReg
register’s TxWaitRF bit is set to logic 1
the minimum time for RxWait is defined by the
RxWaitReg register
wait for data
receiving
2
2
5
reserved
C-bus input filter is set to the High-speed mode
C-bus input filter is set to the I
-
4
MFCrypto1On
2
C-bus protocol
D
3
Contactless reader IC
MFRC522
2
C-bus protocol used
2
ModemState[2:0]
© NXP B.V. 2009. All rights reserved.
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