Revision1.30
DCM390 Serial Interface Specification
Date 25.Apr.’06
4 page of 40
D&M
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