三菱 FX2N 三菱-FX2N-2DA 用戶指南
資料介紹：
6.1 Buffer memory
BFM#16: The D/A conversion data of the channel specified with BFM#17 (digital value) is written.
The D/A data is written in binary in order of the lower 8bit and higher 4bit and divided into two
portions.
BFM#17: b0•••The D/A conversion of CH2 begins by changing of 1→0.
b1•••The D/A conversion of CH1 begins by changing of 1→0.
b2•••The lower eight bit data for the D/A conversion is held by changing of 1→0.
Write data in the above-mentioned buffer memory by "8. Program example".
BFM
number
b15 to b8 b7 to b3 b2 b1 b0
#0 to #15 Reserved
#16 Reserved Digital source data for output (8 bit)
#17 Reserved
Lower data holding
bit
CH1 D/A
conversion
beginning
CH2 D/A
conversion
beginning
#18 or more Reserved
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