User Guide

Revision1.0 DN-C635 Serial Interface Specification
Date 2003-01-28 8 page of 39
2.2 Command / Answer sequence
Figure 3 is examples of command and answer sequence for DN-T645/625.
Command Transmission
CC
PC0
PC1
PC2
PCn
BCC
STX
ETX
STX
CC
PC0
STX
Answer Transmission
Check BCC
HOST
DEVICE
AC
PC0
PC1
PCn
ETX
BCC
RC
Max
40msec
Check BCC
Next Command Transmission
Figure 3. Command Sequence
Max 5 sec.
Min 40
µ
sec