mfrc522 NXP Semiconductors, mfrc522 Datasheet - Page 32

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

NXP Semiconductors
112132
Product data sheet
9.2.2.14 MfRxReg
9.2.2.15 Reserved
9.2.2.16 SerialSpeedReg
Table 65:
Table 66:
Functionality is reserved for further use.
Table 67:
Table 68:
Selects the speed of the serial UART interface.
Table 69:
Table 70:
Bit
7 to 5
4
3 to 0
Bit
7 to 0
Bit
7 to 5
4 to 0
Symbol
Access
Symbol
Access
Symbol
Access
Rights
Rights
Rights
Bit
Bit
Bit
Symbol
-
Parity Disable
-
Symbol
-
Symbol
BR_T0
BR_T1
Description of ManualRCVReg bits
Reserved register (address 1Eh); reset value: 00h
Description of Reserved register bits
Description of SerialSpeedReg bits
MfRxReg register (address 1Dh); reset value: 00h
SerialSpeedReg register (address 1Fh); reset value: EBh
7
7
7
BR_T0
RFU
6
r/w
-
Rev. 3.2 — 22 May 2007
6
6
Description
Reserved for future use.
If this bit is set to logic 1, the generation of the Parity bit for
transmission and the Parity-Check for receiving is switched off. The
received Parity bit is handled like a data bit.
Reserved for future use.
Description
Reserved for future use.
Description
Factor BR_T0 to adjust the transfer speed, for description see
10.3.2 “Selection of the transfer
Factor BR_T1 to adjust the transfer speed, for description see
10.3.2 “Selection of the transfer
5
5
5
Parity Disable
r/w
4
4
4
RFU
-
3
3
speeds”.
speeds”.
3
BR_T1
r/w
2
2
2
Contactless Reader IC
RFU
MFRC522
-
© NXP B.V. 2007. All rights reserved.
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