Hitachi HX-RIO3 Series User Manual page 21

21
- Step#0 (Transmit)
TR inverting (TR≠TA)
Output Length = 7byte
Output Data = "HITACHI"
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#1
Check TA bit value in Status Byte.
TR=TA: transmit complete.
bit#7
Status Byte #0
- Step#2 (Receive)
RR=RA
RE: RxD Exist (Remained)
bit#7
TPA
Status Byte #0
bit#7
Control Byte #0
- Step#3
RA inverting (RA≠RR)
bit#7
Control Byte TPR
#0
bit#7 bit#6
TPR FT
0 0
'07'(7byte)
'H' (0x48:ASCII code)
'I' (0x49)
'T' (0x54)
'A' (0x41)
'C' (0x43)
'H' (0x48)
'I' (0x49)
0x00
0x00
0x00
0x00
0x00
0x00
0x00
bit#6 bit#5
TPA FTA FRA
0 0
bit#6 bit#5
FTA FRA
0 0
bit#6 bit#5
TPR FT FR
0 0
bit#6 bit#5
FT FR
0 0
bit#5 bit#4 bit#3
FR ---- ----
0 0
bit#4 bit#3
RE RBO
0 0 0
bit#4 bit#3
RE RBO
0 1 0
bit#4 bit#3
---- ----
0 0 0
bit#4 bit#3
---- ----
0 0 0
HX-RIO3 Series
bit#2 bit#1
RA TR
0 0 1
bit#2 bit#1
RR TA
0 1
bit#2 bit#1
RR TA
0 0
bit#2 bit#1
RA TR
0 0
bit#2 bit#1
RA TR
1 0
bit#0
IR
0
bit#0
IA
0
bit#0
IA
0
bit#0
IR
0
bit#0
IR
0