參數(shù)資料
型號: C517A
廠商: SIEMENS AG
元件分類: 8位微控制器
英文描述: 8-Bit CMOS Microcontroller
中文描述: 8位CMOS微控制器
文件頁數(shù): 39/72頁
文件大?。?/td> 845K
代理商: C517A
Semiconductor Group
37
C517A
For starting an operation, registers MD0 to MD5 and ARCON must be written to in a certain
sequence according
table 7
and
8
. The order the registers are accessed determines the type of the
operation. A shift operation is started by a final write operation to SFR ARCON.
Abbrevations :
D’end
D’or
M’and
M’or
Pr
Rem
Quo
...L
...H
Table 8
Programming athe MDU for a Shift or Normalize Operation
: 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
Table 7
Programming the MDU for Multiplication and Division
Operation
32Bit/16Bit
16Bit/16Bit
16Bit x 16Bit
First Write
Last Write
MD0
MD1
MD2
MD3
MD4
MD5
D’endL
D’end
D’end
D’endH
D’orL
D’orH
MD0
MD1
D’endL
D’endH
MD4
D’orL
MD5
D’orH
MD0
MD4
M’andL
M’orL
MD1
M’andH
MD5
M’orH
First Read
Last Read
MD0
MD1
MD2
MD3
MD4
MD5
QuoL
Quo
Quo
QuoH
RemL
RemH
MD0
MD1
QuoL
QuoH
MD4
RemL
MD5
RemH
MD0
MD1
PrL
MD2
MD3
PrH
Operation
Normalize, Shift Left, Shift Right
First write
Last write
MD0
MD1
MD2
MD3
ARCON
least significant byte
.
.
most significant byte
start of conversion
First read
Last read
MD0
MD1
MD2
MD3
least significant byte
.
.
most significant byte
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