Mitsubishi Electric F920GOT-BBD-K-E, Hardware Manual

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GOT-F900 SERIES (CONNECTION) Connection of Microcomputer 14
14-20
14.6.3 Bit-oriented Write Command
The contents of bit-oriented write command are explained below as an example of the format 2.
Specification of write data
Up to 70 points of write data can be specified per command.
One portion of write data is shown below.
1) Write specification
The address data specified by the write address and the value specified by the bit pattern determine
how the change should be.
Function Write specification Specification Example
ON
specification
0(30H)
Set '1' for the bit to turn ON with the bit
pattern. Set '0' for the bit not to change.
OFF
specification
1(31H)
Set '1' for the bit to turn OFF with the bit
pattern. Set '0' for the bit not to change.
Reverse
specification
2(32H)
Set '1' for the bit to reverse with the bit
pattern. Set '1' for the bit not to change.
Write
specification
3(33H)
Set the numerical value to write with the
bit pattern.
(02H)
STX
Number
of points
Write address
Sum
check
Sum check range
(03H)
ET
X
2bytes 4bytes
1byte
2bytes
(15H)
NAK
Error has
occured.
1byte
Execution is normally
terminated.
(33H)
3
(06H)
ACK
Wr
it
e
sp
e
c
ifica
tio
n
1byte
Bit
pattern
2bytes
1byte
Write address Bit
pattern
2bytes
4bytes
Write data
Write data
520bytes
7 x (1 to 70) bytes
Wr
it
e
sp
e
c
ifica
tio
n
Write address
Bit
pattern
4bytes
1byte
2bytes
Wr
it
e
sp
e
c
ifica
tio
n
Original data
Bit pattern
1 0
0
0 0
0 1
1 1
1 1 1 Result
Original data
Bit pattern
1 0
0
0 0
0 1
1 1
1 0 0 Result
Original data
Bit pattern
1 0
0
0 0
0 1
1 1
1 1 0
Result
Original data
Bit pattern
1 0
0
0 0
0 1
1 1
0 1 1
Result