SR8001 RS-232C Control Specification Page: 4 / 22
Document Version [1.02]
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3. Detailed Description
The interface specification between the product and a Host controller is described below.
3-1. Connection format
3-1-1. Physical connection
Host (Controller) Slave (the product)
(Serial setting <RS232C basic>)
Baud Rate : 9600bps
Data Bits : 8bit
Parity : None
Stop bit : 1bit
Handshaking : None
3-1-1-1. Data transmission sequence from Host to Slave
Host (Controller) Slave (The product)
TxD → RxD
RxD ← TxD
1. Host starts a data transmission from TxD.
2. Host performs the data transmission of the number of required bytes, and ends a transmission.
3-1-1-2. Data transmission sequence from Slave to Host
Host (Controller) Slave (The product)
TxD → RxD
RxD ← TxD
1. Slave starts a data transmission from TxD.
2. Slave performs the data transmission of the number of required bytes, and ends a transmission.
TxD
RxD
GND
RxD
TxD
GND
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