Detailed Description; Connection Format; Physical Connection; Data Transmission Sequence From Host To Slave - Marantz SR7400 Specification

SR7400/8400

3. Detailed Description

The interface specification between This product and a Host controller is described below.

3-1. Connection format

3-1-1. Physical connection

Host (Controller)
RTS
CTS
TxD
RxD
GND

3-1-1-1. Data transmission sequence from Host to Slave

Host (Controller)
RTS
CTS
TxD
RxD
1. The host checks that CTS is High, then starts a data transmission from TxD.
2. The host performs the data transmission of the number of required bytes, and ends a transmission.
* The host can do RTS to Low during the transmission for disable data transmission from a slave.

3-1-1-2. Data transmission sequence from Slave to Host

Host (Controller)
RTS
CTS
TxD
RxD
1. The slave checks that CTS is High, then starts a data transmission from TxD.
2. The slave performs the data transmission of the number of required bytes, and ends a transmission.
* The slave can do RTS to Low during the transmission for disable data transmission from a host.
RS232C Control Spec.
Slave (This product)
CTS
RTS
RxD
TxD
GND
→
←
→
←
Slave (This product)
→
←
→
←
Document Version [1.00]
(Serial setting <RS232C basic>)
Baud Rate : 9600bps
Data Bits : 8bit
Parity : None
Stop bit : 1bit
Handshaking : (RTS/CTS)
Slave (This product)
CTS
RTS
RxD
TxD
CTS
RTS
RxD
TxD
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