參數(shù)資料
型號(hào): C509-L
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(yè)數(shù): 48/74頁(yè)
文件大?。?/td> 1607K
代理商: C509-L
Semiconductor Group
47
09.96
C509-L
Multiplication / Division Unit (MDU)
This on-chip arithmetic unit of the C509-L provides fast 32-bit division, 16-bit multiplication as well
as shift and normalize features. All operations are unsigned integer operations.
Table 8
describes
the five general operations the MDU is able to perform.
1) 1
t
CY
= 6
CLP = 1 machine cycle = 375 ns at 16-MHz oscillator frequency
2) The maximal shift speed is 6 shifts per machine cycle
The MDU consists of seven special function registers (MD0-MD5, ARCON) which are used as
operand, result, and control registers. The three operation phases are shown in
figure 24
.
Figure 24
Operating Phases of the MDU
Table 8
MDU Operation Characteristics
Operation
Result
Remainder
Execution Time
6
t
CY 1)
4
t
CY 1)
4
t
CY 1)
6
t
CY 2)
6
t
CY 2)
32bit/16bit
16bit/16bit
16bit x 16bit
32-bit normalize
32-bit shift L/R
32bit
16bit
32bit
16bit
16bit
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