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MFRC523 Datasheet(PDF) 55 Page - NXP Semiconductors

Part No. MFRC523
Description  Contactless reader IC
Download  98 Pages
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Maker  NXP [NXP Semiconductors]
Homepage  http://www.nxp.com
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MFRC523 Datasheet(HTML) 55 Page - NXP Semiconductors

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© NXP B.V. 2010. All rights reserved.
Product data sheet
PUBLIC
Rev. 3.3 — 5 March 2010
115233
55 of 98
NXP Semiconductors
MFRC523
Contactless reader IC
9.2.2.16
SerialSpeedReg register
Selects the speed of the serial UART interface.
Table 83.
SerialSpeedReg register (address 1Fh); reset value: EBh bit allocation
Bit
7
6
5
4
3
2
1
0
Symbol
BR_T0[2:0]
BR_T1[4:0]
Access
R/W
R/W
Table 84.
SerialSpeedReg register bit descriptions
Bit
Symbol
Description
7 to 5
BR_T0[2:0]
factor BR_T0 adjusts the transfer speed: for description, see
Section 8.3.3.2 on page 12
4 to 0
BR_T1[4:0]
factor BR_T1 adjusts the transfer speed: for description, see
Section 8.3.3.2 on page 12


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