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CLRC663 Datasheet(PDF) 23 Page - NXP Semiconductors |
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CLRC663 Datasheet(HTML) 23 Page - NXP Semiconductors |
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23 / 132 page  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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