Denon DCM-5001 Serial Protocol - Page 3
Serial communication interface
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1 Serial communication interface .1 Physical interface Arrangement of connector signals Terminal # 1 2 3 4 5 6 7 8 9 RS-232C RS-422A Signal I/O Signal I/O NC NC TxD O TxD return O RxD I RxD I NC NC S.GROUND NC NC S.GROUND NC TxD O NC RxD return I NC NC .2 Transfer format of serial data - Interface As per RS-232C or RS-422A - Communication system Half-duplex communication - Data transfer mode Start stop synchronization - Transfer rate 9,600bps - Start bit ( ST ) 1 bit - Data bit ( b0-b7 ) 8 bits - Parity ( P ) Even number - Stop bit ( SP ) 1 bit - Transfer data ASCII code - Control characters STX 02h ETX 03h ETB 17h NAK 15h ACK 06h ST b0 b1 b2 b3 b4 b5 b6 b7 P SP 11•^9600•isec•j
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1
Serial communication interface
.1
Physical interface
Arrangement of connector signals
RS-232C
RS-422A
Terminal #
Signal
I/O
Signal
I/O
1
NC
NC
2
TxD
O
TxD return
O
3
RxD
I
RxD
I
4
NC
NC
5
S.GROUND
NC
6
NC
S.GROUND
7
NC
TxD
O
8
NC
RxD return
I
9
NC
NC
.2
Transfer format of serial data
- Interface
As per RS-232C or RS-422A
- Communication system
Half-duplex communication
- Data transfer mode
Start stop synchronization
- Transfer rate
9,600bps
- Start bit ( ST )
1 bit
- Data bit ( b0-b7 )
8 bits
- Parity ( P )
Even number
- Stop bit ( SP )
1 bit
- Transfer data
ASCII code
- Control characters
STX
02h
ETX
03h
ETB
17h
NAK
15h
ACK
06h
11
•^
9600
•i
sec
•j
ST
SP
b0
b1
b2
b3
b4
b5
b6
b7
P