Hitachi HX-RIO3 Series User Manual page 25

Special i/o module
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25
- Step#3
TR inverting (TR ≠ TA)
Output Length = 3
Output Data = "CHI"
Control Byte #0
Tx Length #1
Output Byte #2
Output Byte #3
Output Byte #4
Output Byte #5
Output Byte #6
Output Byte #7
Output Byte #8
Output Byte #9
Output Byte #10
Output Byte #11
Output Byte #12
Output Byte #13
Output Byte #14
Output Byte #15
- Step#4
Check TA bit value in Status Byte.
TR=TA: transmit complete
bit#7
TPA
Status
Byte
#0
TxD Buffer
Offset
Output Byte #0
Output Byte #1
Output Byte #2
Output Byte #3
Output Byte #4
Output Byte #5
Output Byte #6
Output Byte #7
Output Byte #8
.
.
.
Output Byte #252
Output Byte #253
Output Byte #254
Output Byte #255
bit#7
bit#6
bit#5
TPR
FT
FR
0
0
0
' 03'(3byte)
'C' (0x43 ASCII code)
'H' (0x48)
'I' (0x49)
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
bit#6
bit#5
FTA
FRA
0
0
0
TxD Buffer Data
'H' (0x48:ASCII code)
'I' (0x49)
'T' (0x54)
'A' (0x41)
'C' (0x43)
'H' (0x48)
'I' (0x49)
0x00
0x00
.
.
.
0x00
0x00
0x00
0x00
bit#4
bit#3
bit#2
----
----
0
0
bit#4
bit#3
bit#2
RE
RBO
0
0
HX-RIO3 Series
bit#1
bit#0
RA
TR
IR
0
0
bit#1
bit#0
RR
TA
IA
0
0
0
0

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