SAB80C517 Datasheet, PDF (36/61 Pages) Siemens Semiconductor Group – 8-Bit CMOS Single-Chip Microcontroller

SAB 80C517/80C537
Table 5
Programming the MDU for Multiplication and Division
Operation
32-Bit/16-Bit
16-Bit/16-Bit
First Write
Last Write
First Read
Last Read
MD0
MD1
MD2
MD3
MD4
MD5
MD0
MD1
MD2
MD3
MD4
MD5
D'endL
D'end
D'end
D'endH
D'orL
D'orH
QuoL
Quo
Quo
QuoH
RemL
RemH
MD0
MD1
MD4
MD5
MD0
MD1
MD4
MD5
D'endL
D'end
D'end
D'endH
D'orL
D'orH
QuoL
QuoH
RemL
RemH
16-Bit _* 16-Bit
MD0
MD4
M'andL
M'orL
MD1 M'andH
MD5
MD0
MD1
M'orH
PrL
MD2
MD3 PrH
Table 6
Shift Operation with the CCU
Operation
Normalize, Shift Left, Shift Right
First Write
Last Write
First Read
Last Read
MD0
MD1
MD2
MD3
ARCON
MD0
MD1
MD2
MD3
least significant byte
most significant byte
start of conversion
least significant byte
most significant byte
Abbreviations
D'end :
D'or :
M'and :
M'or :
Pr :
Rem :
Quo :
...L :
...H :
Dividend, 1st operand of division
Divisor, 2nd operand of division
Multiplicand, 1st operand of multiplication
Multiplicator, 2nd operand of multiplication
Product, result of multiplication
Remainder
Quotient, result of division
means, that this byte is the least significant of the 16-bit or 32-bit operand
means, that this byte is the most significant of the 16-bit or 32-bit operand
Semiconductor Group
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