FX1S Datasheet, PDF (64/480 Pages) Mitsubishi Electric Semiconductor – FX1S

ÐÅÃÈÑÒÐÛ
ÎÏÅÐÀÍÄÛ
ÏÐÈÌÅÐ
D101 = 16592 = 40D0 _HEX
D100 = 0 = 0000 _HEX
ÏÐÈÌÅÐ
ÏÐÈÌÅÐ
D101 (16 BIT)
D100 (16 BIT)
01000000110100000000000000000000
EXPONENT(8 BIT)
MANTISSE (23 BIT)
VORZEICHEN
Ðèñ.3-27. Ðàçìåùåíèå áèò â ðåãèñòðå äàííûõ
C000311C
Áèò çíàêà ÷èñëà ðàâåí 0 - ïîëîæèòåëüíîå çíà÷åíèå
Ýêñïîíåíòà çàïèñàíà ÷èñëîì 10000001, ýòî ñîîòâåòñòâóåò
(1 x 2⁷ + 0 x 2⁶ + ... + 1 x 2⁰) - 127
= (128 + 0 + ... + 1) - 127
=2
Ìàíòèññà ëè
1
1
x
x
2⁰ +ïðåäñòàâëåíà ÷èñëîì
2-¹ + 0 x 2-² + 1 x 2-³ + ... + 0
10100000000000000000000
x 2-²³
ýòî
ñîîòâåòñòâóåò
1,101_BIN
è
= 1,625
 ðåçóëüòàòå ÷èñëî ðàâíî + 1,625 x 2² =6,5.
Ħ
ÄÂÎÈ×ÍÀß ÑÈÑÒÅÌÀ ×ÈÑÅË
Áàçà: 2
Öèôðû: 0, 1
11001 (äâîè÷íîå ÷èñëî)
11001 (äâîè÷íîå ÷èñëî) = 1 x 2⁴ + 1 x 2³ + 0 x 2² + 0 x 2¹ + 1 x 2⁰
11001 (äâîè÷íîå ÷èñëî) = 16 + 8 + 1
1001 (äâîè÷íîå ÷èñëî) = 25 (äåñÿòè÷íîå)
Ħ
ÄÂÎÈ×ÍÎÅ ÊÎÄÈÐÎÂÀÍÈÅ: ÄÅÑßÒÈ×ÍÎÅ ×ÈÑËÎ —> ÄÂÎÈ×ÍÎÅ ×ÈÑËÎ
30 (äåñÿòè÷íîå)
30 : 2 = 15 îñòàòîê 0
15 : 2 = 7 îñòàòîê 1
7 : 2 = 3 îñòàòîê 1
3 : 2 = 1 îñòàòîê 1
1 : 2 = 0 îñòàòîê 1
30 (äåñÿòè÷íîå) = 11110 (äâîè÷íîå)
Ħ
3 – 34
MITSUBISHI ELECTRIC