mfrc522 NXP Semiconductors, mfrc522 Datasheet - Page 40

• Manufacturer Part Number: mfrc522
• Description: Contactless Reader Ic
• Manufacturer: NXP Semiconductors

NXP Semiconductors
112132
Product data sheet
9.2.4.2 TestSel1Reg
9.2.4.3 TestSel2Reg
General test signal configuration.
Table 105: TestSel1Reg register (address 31h); reset value: 00h
Table 106: Description of TestSel1Reg bits
General test signal configuration and PRBS control
Table 107: TestSel2Reg register (address 32h); reset value: 00h
Table 108: Description of TestSel2Reg bits
Bit
7 to 3
2 to 0
Bit
7
6
5
4 to 0
Symbol
Access
Symbol
Access
Rights
Rights
Bit
Bit
TstBusFlip
Symbol
-
TstBusBitSel
Symbol
TstBusFlip
PRBS9
PRBS15
TestBusSel
7
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7
PRBS9
Rev. 3.2 — 22 May 2007
6
r/w
Description
Reserved for future use.
Select the TestBus bit from the testbus to be propagated to MFOUT.
Description
If set to logic 1, the testbus is mapped to the parallel port by the
following order:
TstBusBit4,TstBusBit3, TstBusBit2,TstBusBit6,TstsBusBit5, TstBusBit0.
See
Starts and enables the PRBS9 sequence according ITU-TO150.
Remark: All relevant registers to transmit data have to be configured
Starts and enables the PRBS15 sequence according ITU-TO150.
Remark: All relevant registers to transmit data have to be configured
Selects the testbus. See
6
Section 19
RFU
PRBS15
5
-
before entering PRBS9 mode.
The data transmission of the defined sequence is started by
the send command.
before entering PRBS15 mode.
The data transmission of the defined sequence is started by
the send command.
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“Testsignals”.
4
4
Section 19 “Testsignals”
3
3
TestBusSel
2
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2
Contactless Reader IC
TstBusBitSel
MFRC522
© NXP B.V. 2007. All rights reserved.
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