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CLRC663 Datasheet(PDF) 23 Page - NXP Semiconductors

Part No. CLRC663
Description  Contactless reader IC
Download  132 Pages
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Maker  NXP [NXP Semiconductors]
Homepage  http://www.nxp.com
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CLRC663 Datasheet(HTML) 23 Page - NXP Semiconductors

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CLRC663
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2012. All rights reserved.
Product data sheet
COMPANY PUBLIC
Rev. 3.3 — 3 April 2012
171133
23 of 132
NXP Semiconductors
CLRC663
Contactless reader IC
Write data:
To write data to the CLRC663 using the UART interface the following sequence has to be
used.
The first send byte defines both, the mode itself and the address.
Remark: Data can be sent before address is received.
Fig 14. Timing Diagram for UART Read Data
001aam298
A0
A1
Sa
A2
A3
TX
RX
A4
A5
A6
RD/
NWR
So
D0
DATA
ADDRESS
D1
Sa
D2
D3
D4
D5
D6
D7
So
Table 23.
Byte Order to Write Data
Mode
byte 0
byte 1
RX
address 0
data 0
TX
address 0
Fig 15. Timing diagram for UART write data
001aam299
A0
A1
Sa
A2
A3
TX
RX
A4
A5
A6
RD/
NWR
So
A0
ADDRESS
ADDRESS
A1
Sa
A2
A3
A4
A5
A6
RD/
NWR
So
D0
DATA
D1
Sa
D2
D3
D4
D5
D6
D7
So


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