CONFIDENTIAL
SDM-300
Technical Manual Ver 3.4
SAMSUNG TECHWIN
- 10 -
7. Communication Format
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Communication Protocol
- communication speed : 2400bps, 4800bps, 9600bps, 19200bps, 38400bps(default), 57600bps
-start bit :1bit
- data bit : 8 bits
- parity bit : even(default), odd, none
-stop bit :1bit
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Communication Sequence
In this Command Reference, 'Command Packet' is defined as the packet sent from Host-Controller
and 'Return Packet' is defined as the packet sent from Module Camera.
The Communication concludes when Host-controller receives a Return Packet from the Module
Camera to a Command Packet as follows.
This Command Reference prescribes the Command Packet, Return Packet and the Time To
between receipt of a Command Packet and transmission of a Return Packet.
CONTOROLLER
CAMERA
MODULE
COMMAND PACKET
RETURN PACKET
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Communication Packet Format
- Packet Type A consists of 6bytes, and Type B consists of 8bytes.
- Packet Format Type A.
Command Packet
ACK Packet
W1 W2 W3 W4 W5 W6 W1 W2 W3 W4 W5 W6
[notes] Command Packet : Sending command from controller to camera
Return Packet : Sending back data from camera to controller
[Command Packet]
1st bit
W1 STX Start of Text A0h
2nd bit W2 Command Command 00h~FFh
3rd bit W3 Parameter1 data 00h~FFh
4th bit W4 Parameter2 data 00h~FFh
5th bit W5 Parameter3 data 00h~FFh
6th bit W6 ETX End of Text AFh
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