FX1S Datasheet, PDF (264/480 Pages) Mitsubishi Electric Semiconductor – FX1S

ÈÍÑÒÐÓÊÖÈÈ ÏÎËÜÇÎÂÀÒÅËß
ÏÐÈÊËÀÄÍÛÅ ÈÍÑÒÐÓÊÖÈÈ
6.8.7
ÒÐÈÃÃÅÐÍÀß ÔÓÍÊÖÈß (FLIP-FLOP) (ALT)
ALT (D+)
D+
Y, M, S
ALT
FNC 66
Òðèããåðíàÿ ôóíêöèÿ
CPU
FX1S
FX1N FX2N FX2NC
©
©
©
©
Èìï. èíñòðóêöèÿ (P) Îáðàáîòêà Øàãè ïðîãðàììû
©
16 Bit 32 Bit
ALT/ALTP 3
©
ÓÊÀÇÀÍÈÅ
ÏÐÈÌÅÐ
ÔÓÍÊÖÈß
Ðåàëèçàöèÿ òðèããåðíîé ôóíêöèè
ÎÏÈÑÀÍÈÅ
b Ñ ïîìîùüþ ALT-èíñòðóêöèè ìîæåò ïðîãðàììèðîâàòüñÿ òðèããåðíàÿ ôóíêöèÿ.
b ALT-èíñòðóêöèÿ àêòèâèçèðóåòñÿ ïî óïðàâëåíèþ ñèãíàëîì “1" è çàïèñûâàåòñÿ â îïåðàíä,
óêàçàííûé â D+.
b Íîâûì óïðàâëåíèåì ñèãíàëà ⠓1" îïåðàíä îòêëþ÷àåòñÿ.
Èíñòðóêöèÿ âûïîëíÿåòñÿ â êàæäîì öèêëå ïðîãðàììû. Ýòîãî ìîæíî èçáåæàòü
ïîñëåäîâàòåëüíûì âêëþ÷åíèåì ôóíêöèè èìïóëüñà (PLS-èíñòðóêöèåé) èëè ïàðàìåòðîì “Ð”.
Ïðèìåíåíèå ALT-èíñòðóêöèè. Èíâåðòèðîâàíèå ñòàòóñà îïåðàíäà
Ðèñ. 6-114.
Ïðèìåð ïðîãðàììèðîâàíèÿ
X0
ALT-èíñòðóêöèè (èíâåðòèðîâàíèå ñòàòóñà
PLS M2
îïåðàíäà)
M2
[D+]
ALT M0
X0
M0
C000108C
Ñîñòîÿíèå ìåðêåðà Ì0 êàæäûé ðàç èíâåðòèðóåòñÿ, åñëè íà âõîäå óñòàíàâëèâàåòñÿ ñèãíàë “1".
Ħ
6 – 122
MITSUBISHI ELECTRIC