Hitachi EH-150 - Page 99

Chapter 8 Register Structure
[Basic operation 2]
To read Status Register (Control type "H0001"(handshake valid))
Wait execute
instruction
Command execute
(00001)
R7E3
WR00B = H1
WR00C = H0
ADRIO ( WR00D, R103 )
ADRIO ( WR00E, WM110 )
WR00F = 13
(00002)
R7E4
R103 = 1
(00003)
FUN201 ( WR008 )
END
:
:
:
(0000n)
1
s
t
scan
2
n
d
scan
(00001)
R7E3
WR00B = H1
WR00C = H0
ADRIO ( WR00D, R103 )
ADRIO ( WR00E, WM110 )
WR00F = 13
(00002)
R7E4
R103 = 1
(00003)
FUN201 ( WR008 )
END
:
:
:
(0000n)
Wait execute
instruction
(00001)
R7E3
WR00B = H1
WR00C = H0
ADRIO ( WR00D, R103 )
ADRIO ( WR00E, WM110 )
WR00F = 13
(00002)
R7E4
R103 = 1
(00003)
FUN201 ( WR008 )
END
:
:
:
(0000n)
3
r
d
scan
Wait execute
instruction
FUN201 command
- Keep Execute flag R100=1
- Clear normal complete flag and abnormal
complete flag
FUN201 command
- Keep Execute flag R100=1
- Clear normal complete flag and abnormal
complete flag
FUN201 command
- execute flag clear 0
- set normal complete flag or abnormal
complete flag depend on the result of
execution
FUN201 is in execution. So this instruction is
not executed.
N
amely, data is not written to Control Register
from 2nd scan to 3rd scan.
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