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Chapter 14 Common Functions
[3] List of buffer memory
The following shows the configuration of buffer memory for mark detection
function.
Buffer memory
address
Number of
word
Item Mark detection setting No.
54000 to 54019 20
Mark detection setting parameter
[Pr.800] to [Pr.807]
Mark detection setting 1
54020 to 54039 20 Mark detection setting 2
54040 to 54059 20 Mark detection setting 3
to to to
54300 to 54319 20 Mark detection setting 16
54640 to 54649 10
Mark detection control data
[Cd.800], [Cd.801], [Cd.802]
Mark detection setting 1
54650 to 54659 10 Mark detection setting 2
54660 to 54669 10 Mark detection setting 3
to to to
54790 to 54799 10 Mark detection setting 16
54960 to 55039 80
Mark detection monitor data
[Md.800], [Md.801]
Mark detection setting 1
55040 to 55119 80 Mark detection setting 2
55120 to 55199 80 Mark detection setting 3
to to to
56160 to 56239 80 Mark detection setting 16
• Guide to buffer memory address
In the buffer memory address, "k" in "54002+20k", etc. indicates a value
corresponding to mark detection setting No. such as the following table.
Mark detection
setting No.
k
Mark detection
setting No.
k
Mark detection
setting No.
k
Mark detection
setting No.
k
1 0 5 4 9 8 13 12
2 1 6 5 10 9 14 13
3 2 7 6 11 10 15 14
4 3 8 7 12 11 16 15
(Note): Calculate as follows for the buffer memory address corresponding to each mark detection
setting No.
(Example) For mark detection setting 16
54002+20k ([Pr.802] Mark detection data type)=54002+20
15=54302
(Note): The range from mark detection setting No.1 to 4 (k=0 to 3) is valid in the
QD77MS2/QD77MS4.