MFRC52201HN1/TRAYB NXP [NXP Semiconductors], MFRC52201HN1/TRAYB Datasheet - Page 64

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

NXP Semiconductors
MFRC522_33
Product data sheet
PUBLIC
Table 134. AnalogTestReg register bit descriptions
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Bit
7 to 4 AnalogSelAux1
3 to 0 AnalogSelAux2
Remark: Current source output; the use of 1 k pull-down resistor on AUXn is recommended.
Symbol
[3:0]
[3:0]
Rev. 3 — 26 October 2009
Value Description
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
-
controls pin AUX1
Remark: all test signals are described in
page 79
controls pin AUX2 (see bit descriptions for AUX1)
112133
3-state
output of TestDAC1 (AUX1), output of TestDAC2 (AUX2)
test signal Corr1
reserved
DAC: test signal MinLevel
DAC: test signal ADC_I
DAC: test signal ADC_Q
reserved
reserved, test signal for production test
reserved
HIGH
LOW
TxActive:
RxActive:
subcarrier detected:
test bus bit as defined by the TestSel1Reg register’s
TstBusBitSel[2:0] bits
at 106 kBd: HIGH during Start bit, Data bit, Parity and CRC
at 212 kBd: 424 kBd and 848 kBd: HIGH during data and
CRC
at 106 kBd: HIGH during Data bit, Parity and CRC
at 212 kBd: 424 kBd and 848 kBd: HIGH during data and
CRC
106 kBd: not applicable
212 kBd: 424 kBd and 848 kBd: HIGH during last part of
data and CRC
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Contactless reader IC
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Section 16.1 on
MFRC522
© NXP B.V. 2009. All rights reserved.
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