FX1S Datasheet, PDF (218/480 Pages) Mitsubishi Electric Semiconductor – FX1S

ÎÏÅÐÀÖÈÈ Ñ ÄÀÍÍÛÌÈ
ÏÐÈÊËÀÄÍÛÅ ÈÍÑÒÐÓÊÖÈÈ
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Ïðèìåíåíèå ENCO-èíñòðóêöèè ñ óêàçàíèåì áèòîâûõ îïåðàíäîâ â (S+) (1 ͨ n ͨ 8)
X5
[ S+ ] [ D+ ] n
ENCO M10 D10 K3
Ðèñ. 6-73.
Ïðèìåð ïðîãðàììèðîâàíèÿ
ENCO-èíñòðóêöèè ñ óêàçàíèåì áèòîâûõ
îïåðàíäîâ â (S+)
7.
6.
5.
4.
3.
2.
1.
0.
00001000
M17 M16 M15 M14 M13 M12 M11 M10
D10
0000000000000011
. .421
C000103C
Åñëè 2ⁿ = 2³ = 8, òî â êà÷åñòâå àäðåñîâ âûõîäîâ èìåþòñÿ ìåðêåðû Ì10...Ì17. Ïîñêîëüêó ó
îïåðàíäîâ âûõîäà 3-èé îïåðàíä, ò.å. ìåðêåð Ì13 âêëþ÷àåòñÿ, â ðåãèñòð äàííûõ D10
çàïèñûâàåòñÿ çíà÷åíèå 3.
Ħ
Ïðèìåíåíèå DECO-èíñòðóêöèè ñ óêàçàíèåì ñëîâíûõ îïåðàíäîâ â S+ (1 ͨ n ͨ 4)
X5
[S+] [D+] n
ENCO D0 D1 K3
15. 14. 13. 12. 11. 10. 9. 8. 7. 6. 5. 4. 3. 2. 1. 0.
D0 0 1 0 1 0 1 0 1 0 0 0 0 1 0 0 0
Ýòè áèòû íå
îáðàáàòûâàþòñÿ
15. 14. 13. 12. 11. 10. 9. 8. 7. 6. 5. 4. 3. 2. 1. 0.
D1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1
Ýòè áèòû îòêëþ÷àþòñÿ
êîìàíäîé ÏÊ
C000104C
Ðèñ. 6-74. Ïðèìåð ïðîãðàììèðîâàíèÿ ENCO-èíñòðóêöèè ñ óêàçàíèåì ñëîâíûõ
îïåðàíäîâ â (S+)
 ðåãèñòðå äàííûõ D0 âêëþ÷àåòñÿ 3-èé áèò. Òåì ñàìûì çíà÷åíèå ÷èñëà 3 êîäèðóåòñÿ è
ñîõðàíÿåòñÿ â ðåãèñòðå äàííûõ D1.
Ħ
6 – 76
MITSUBISHI ELECTRIC