Rs-232C Control Specification; Global Description; Detailed Description - Denon DN-A7100 User Manual

RS-232C CONTROL SPECIFICATION

GLOBAL DESCRIPTION

OVERVIEW
A Host controller can control or watch out the product as a Slave very easily via the communication cable.
BLOCK DIAGRAM
RS232C cable (straight)
HOST
(Controller)
* The product connector is using D-SUB 9pin male.
* RS232C cable must use D-SUB 9pin female to connect the products.
INTERFACE CONNECTION SPECIFICATION OF THE PRODUCT
Processor Interface Signal name
- N.C.
TxD (output)
UART RS232C Level shift driver
RxD (input)
- N.C.
- GND
- N.C.
- N.C.
- N.C.
- N.C.
SLAVE
(The product)
Connector
D-SUB (9pin, male)
Connection device D-Sub Pin Connecter
- 1
2
3
(9pin,male)
- 4
GND 5 1 2 3 4 5
- 6
- 7
- 8
- 9

DETAILED DESCRIPTION

The interface specifi cation between the product and a Host controller is described below.
CONNECTION FORMAT
Physical connection
Host (Controller)
TxD
RxD
GND
• Data transmission sequence from Host to Slave
Host (Controller)
RS232C
D-SUB
TxD
RxD
1. Host starts a data transmission from TxD.
6 7 8 9
2. Host performs the data transmission of the number of required bytes, and ends a transmission.
• Data transmission sequence from Slave to Host
Host (Controller)
TxD
RxD
1. Slave starts a data transmission from TxD.
2. Slave performs the data transmission of the number of required bytes, and ends a transmission.
Slave (the product)
(Serial setting <RS232C basic>)
RxD
Baud Rate : 9600bps
Data Bits : 8bit
TxD
Parity : None
Stop bit : 1bit
GND
Handshaking : None
Slave (The product)
/
,
Slave (The product)
/
,
RxD
TxD
RxD
TxD
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