FX1S Datasheet, PDF (221/480 Pages) Mitsubishi Electric Semiconductor – FX1S

ÏÐÈÊËÀÄÍÛÅ ÈÍÑÒÐÓÊÖÈÈ
ÎÏÅÐÀÖÈÈ Ñ ÄÀÍÍÛÌÈ
6.6.6
ÂÛ×ÈÑËÅÍÈÅ ÑÐÅÄÍÅÃÎ ÇÍÀ×ÅÍÈß (MEAN)
MEAN (S+) (D+) n
S+
D+
n
KnX, KnY, KnM, KnY, KnM, KnS,
K, H
KnS, T, C, D
T, C, D, V, Z
(n = 1 ... 64)
MEAN
FNC 45
Âû÷èñëåíèå ñðåäíåãî çíà÷åíèÿ
CPU
FX1S
FX1N
FX2N FX2NC
©
©
Èìï. èíñòðóêöèÿ (P) Îáðàáîòêà Øàãè ïðîãðàììû
16 Bit
32 Bit
MEAN/
MEANP
7
©
©
DMEAN/
DMEANP
13
ÓÊÀÇÀÍÈÅ
ÏÐÈÌÅÐ
ÔÓÍÊÖÈß
Îáðàçóåòñÿ àðèôìåòè÷åñêîå ñðåäíåå çíà÷åíèå ïî íåñêîëüêèì ñëîâàì äàííûõ.
ÎÏÈÑÀÍÈÅ
Íà÷èíàÿ ñ (S+) ñóììèðóþòñÿ n ñëîâ äàííûõ è äåëÿòñÿ íà n. Öåëîå ÷èñëî ðåçóëüòàòà çàíîñèòñÿ
â (D+).
Åñëè âûáðàííîå n áîëüøå, ÷åì èìåþùàÿñÿ îáëàñòü îïåðàíäîâ, íà÷èíàÿ ñ (S+), òî n
àâòîìàòè÷åñêè ñîãëàñîâûâàåòñÿ ñ èìåþùèìñÿ êîëè÷åñòâîì îïåðàíäîâ.
ÈÑÒÎ×ÍÈÊ ÎØÈÁÊÈ
Îøèáêà ïðè îòðàáîòêè ïðîãðàììû ïîÿâëÿåòñÿ, åñëè n áîëüøå 64
MEAN-èíñòðóêöèÿ
X0
[ S+ ] [ D+ ] n
MEAN D0 D10 K3
Ðèñ. 6-77.
Ïðèìåð ïðîãðàììèðîâàíèÿ äëÿ
âû÷èñëåíèÿ ñðåäíåãî çíà÷åíèÿ
(D0) + (D1) + (D2)
3
(D10)
C000143C
Ħ
Ïðîãðàììèðîâàíèå FX1S/FX1N/FX2N/FX2NC
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