參數(shù)資料
型號(hào)： MB90W224AZF
元件分類(lèi)： 微控制器/微處理器
英文描述： 16-BIT, UVPROM, 16 MHz, MICROCONTROLLER, CQFP120
封裝： CERAMIC, QFP-120
文件頁(yè)數(shù)： 98/105頁(yè)
文件大小： 1700K
代理商： MB90W224AZF
MB90220 Series
92
Table 12
Unsigned Multiplication and Division Instructions (Word/Long Word) [11 Instructions]
For an explanation of “(b)” and “(c), refer to Table 5, “Correction Values for Number of Cycle Used to Calculate
Number of Actual Cycles.”
*1: 3 when dividing into zero, 6 when an overflow occurs, and 14 normally.
*2: 3 when dividing into zero, 5 when an overflow occurs, and 13 normally.
*3: 5 + (a) when dividing into zero, 7 + (a) when an overflow occurs, and 17 + (a) normally.
*4: 3 when dividing into zero, 5 when an overflow occurs, and 21 normally.
*5: 4 + (a) when dividing into zero, 7 + (a) when an overflow occurs, and 25 + (a) normally.
*6: (b) when dividing into zero or when an overflow occurs, and 2
× (b) normally.
*7: (c) when dividing into zero or when an overflow occurs, and 2
× (c) normally.
*8: 3 when byte (AH) is zero, and 7 when byte (AH) is not 0.
*9: 3 when byte (ear) is zero, and 7 when byte (ear) is not 0.
*10: 4 + (a) when byte (eam) is zero, and 8 + (a) when byte (eam) is not 0.
*11: 3 when word (AH) is zero, and 11 when word (AH) is not 0.
*12: 3 when word (ear) is zero, and 11 when word (ear) is not 0.
*13: 4 + (a) when word (eam) is zero, and 12 + (a) when word (eam) is not 0.
Mnemonic
#
cycles
B
Operation
LH AH
IS T N Z V C RMW
DIVU A
DIVU A, ear
DIVU A, eam
DIVUW A, ear
DIVUW A, eam
MULU A
MULU A, ear
MULU A, eam
MULUW A
MULUW A, ear
MULUW A, eam
1
2
2+
2
2+
1
2
2+
1
2
2+
*1
*2
*3
*4
*5
*8
*9
*10
*11
*12
*13
0
*6
0
*7
0
(b)
0
(c)
word (AH) /byte (AL)
Quotient
→ byte (AL) Remainder → byte (AH)
word (A)/byte (ear)
Quotient
→ byte (A) Remainder → byte (ear)
word (A)/byte (eam)
Quotient
→ byte (A) Remainder → byte (eam)
long (A)/word (ear)
Quotient
→ word (A) Remainder → word (ear)
long (A)/word (eam)
Quotient
→ word (A) Remainder → word (eam)
byte (AH)
× byte (AL) → word (A)
byte (A)
× byte (ear) → word (A)
byte (A)
× byte (eam) → word (A)
word (AH)
× word (AL) → long (A)
word (A)
× word (ear) → long (A)
word (A)
× word (eam) → long (A)
–
*
–
*
–
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