c 
t 
10. 
COMMUNICATIONS 
IN 
THE.BID~~IONAL 
MODE 
MELSEGA 
POINTI 
In 
the bidirectional  mode,  data 
is 
not converted  to ASCII  code 
in 
the 
AJ71C24.  When ASCII code 
is 
required, the  data must be  processed  into 
ASCII code 
in 
a PC  CPU  or computer. 
(2) 
Designating  word/byte  units  for bidirectional mode communications 
For data communications 
in 
the  bidirectional mode, units of data to  be 
transmitted may be  selected between words and bytes.  Default setting 
for  data  unit selection 
is 
'word', 
but 
selection 
is 
possible by writing 
'1' 
or 
'0' 
to address 103H 
in 
the buffer memory  area. 
(Section 7.4.3 gives details of the program to make this setting.) 
10-3 
. 
.. 
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