CLRC663 Datasheet, PDF (23/132 Pages) NXP Semiconductors – Contactless reader IC

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