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TRANSACTION EXAMPLES
Transaction examples are shown in the following figures.
Signals at
EIA levels
1. Reader data
2. Host requests to send
3. Reader grants permission
4. ACK response
5. Host removes request
6. Reader removes permission
TXD
(Host RXD)
1
RXD
(Host TXD)
RTS
(Host CTS)
CTS
(Host RTS)
2
Basic Reader Initiated Transaction
SERIAL INTERFACE SPECIFICATION
4
3
6
5
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