Denon DCM 390 Serial Protocol - Page 4

Transfer format of serial data - rating

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Revision1.40 Date 24.May.'07 DCM390 Serial Interface Specification 4 page of 40 1.2 Transfer format of serial data - Interface - Communication system RS-232C 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) - Transfer data - Control characters 1 bit ASCII code STX (0x02) ETX (0x03) NAK (15h) ACK (06h) ST b0 b1 b2 b3 b4 b5 b6 b7 P ST 11/9600 sec Figure 2. Command Data Array D&M

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Revision1.40
DCM390 Serial Interface Specification
Date 24.May.’07
4 page of 40
1.2
Transfer format of serial data
-
Interface
RS-232C
- 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
(0x02)
ETX
(0x03)
NAK
(15h)
ACK
(06h)
ST
b0
b1
b2
b3
b4
b5
b6
b7
P
ST
Figure 2. Command Data Array
11/9600 sec