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Serial Interface Specification
TXD
(Host RXD)
6
RXD
(Host TXD)
3
RTS
(Host CTS)
2
5
CTS
(Host RTS)
1
4
1. Host requests permission to send
2. Decoder grants permission
3. Host sends 2 BEEP commands instead of 1
4. Host removes request
5. Decoder removes permission
6. Decoder ACKs first BEEP command
Figure A-8. Error Condition: Host Sends 2 Valid BEEP
Commands Back to Back
A-15
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