FX1S Datasheet, PDF (309/480 Pages) Mitsubishi Electric Semiconductor – FX1S

ÑÏÅÖÈÀËÜÍÛÅ FNC-ÈÍÑÒÐÓÊÖÈÈ
ÊÎÌÌÓÍÈÊÀÖÈÎÍÍÛÅ ÊÎÌÀÍÄÛ
7.3.4
ØÅÑÒÍÀÄÖÀÒÅÐÈ×ÍÎÅ -ÏÐÅÎÁÐÀÇÎÂÀÍÈÅ (HEX)
HEX (S+) (D+) n
S+
K, H, T, C, D,
KnX, KnY, KnM, KnS
D+
T, C, D,
KnY, KnM, KnS
HEX
FNC 83
Ïðåîáðàçîâàíèå â øåñòíàäöàòåðè÷íîå çíà÷åíèå
CPU
FX1S
FX1N
FX2N FX2NC
©
©
©
©
n Èìï. èíñòðóêöèÿ(P) Îáðàáîòêà Øàãè ïðîãðàììû
16 Bit 32 Bit
K, H
HEX/HEXP
7
©
ÔÓÍÊÖÈß
Ïðåîáðàçîâàíèå ASCII-çíàêîâ â øåñòíàäöàòåðè÷íûå çíà÷åíèÿ
ÎÏÈÑÀÍÈÅ
HEX-èíñòðóêöèÿ ïîçâîëÿåò ïðåîáðàçîâàíèå ASCII-çíàêîâ èç ðåãèñòðîâ äàííûõ â
øåñòíàäöàòåðè÷íûå çíà÷åíèÿ.
HEX-èíñòðóêöèÿ ñîñòàâëÿåòñÿ, â ÷àñòíîñòè, ñëåäóþùèì îáðàçîì:
b Ñòàðòîâûì àäðåñîì (S+), ãäå õðàíÿòñÿ ASCI-çíàêè.
b Àäðåñîì öåëè (D+), ãäå äîëæíû ñîõðàíÿòüñÿ ïðåîáðàçóåìûå øåñòíàäöàòåðè÷íûå
äàííûå.
b Ââîäîì ïî (n) ÷èñëà çíàêîâ, ò.å. êîëè÷åñòâî ASCI-çíàêîâ, ïðåîáðàçóåìûõ â
øåñòíàäöàòåðè÷íûå öèôðû.
Ðèñ. 7-38.
T015
SET M8161
Ïðèìåð ïðîãðàììèðîâàíèÿ
HEX-èíñòðóêöèè
HEX D60 D30 K6
RST M8161
C000178C
Ïðèâåäåííàÿ íà Ðèñ. 7-38 ïðîãðàììà âûïîëíÿåò ïðåîáðàçîâàíèå, åñëè ñ÷åò÷èê Ñ015
äîñòèãíóë ñâîå óñòàíîâëåííîå çíà÷åíèå. Âî âðåìÿ àêòèâíîãî ñîñòîÿíèÿ HEX-èíñòðóêöèè
øåñòü (Ê6) ASCI-çíàêîâ èç ðåãèñòðîâ äàííûõ D60 è D65 ïðåîáðàçóþòñÿ â øåñòíàäöàòèðè÷íûå
öèôðû è çàïèøóòñÿ â ðåãèñòðû äàííûõ D30...D31 (8-ìè áèòîâîãî ôîðìàòà). Ïðè ýòîì êàæäàÿ
öèôðà ÿâëÿåòñÿ áàéòîì.
 êà÷åñòâå ôîðìàòà ñîõðàíåíèÿ äàííûõ èìåþòñÿ ïî âûáîðó 16-òè áèòîâûå èëè 8-ìè áèòîâûå
ðåæèìû. 16-òè áèòîâûé ðåæèì èñïîëüçóåò ñòàðøèé è ìëàäøèé áàéò ïðèìåíåííîãî
óñòðîéñòâà, â òî âðåìÿ êàê 8-ìè áèòîâûé ðåæèì èñïîëüçóåò òîëüêî ìëàäøèå 8 áèò.
Óïðàâëåíèå ýòèì îñóùåñòâëÿåò ñïåöèàëüíûé ìåðêåð Ì8161. Çäåñü ïðè ÂÊË. âûáðàí 8-ìè
áèòîâûé ðåæèì.
ÓKÀÇÀÍÈÅ Èíñòðóêöèÿ “SET M8161" òðåáóåòñÿ òîëüêî òîãäà, åñëè äîëæåí ïðèìåíÿòüñÿ 8-ìè áèòîâûé
ðåæèì.
Ïðîãðàììèðîâàíèå FX1S/FX1N/FX2N/FX2NC
7 – 37