A-13
Serial Interface Specification
Figure A-6. Host Initiated Transaction with Host Pausing
and Releasing RTS During Transmission
TXD
(Host RXD)
RXD
(Host TXD)
RTS
(Host CTS)
CTS
(Host RTS)
1
2
3
4
5
6
1. Host requests permission to send
2. Decoder grants permission
3. Host sends 1/2 BEEP command
4. Host removes request (ignored by decoder until transmit complete or timed out)
5. Host requests again (ignored by decoder until transmit complete or timed out)
6. Host sends remainder of BEEP command
7. Host removes request
8. Decoder removes permission
9. Decoder ACKs
7
8
9
This duration must be
less than HOST-CHARACTER
TIME_OUT
Содержание SE 923
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