參數(shù)資料
型號: 20-101-0732
廠商: Rabbit Semiconductor
文件頁數(shù): 4/126頁
文件大?。?/td> 0K
描述: INTERFACE SMART SCREEN OP7100
標(biāo)準(zhǔn)包裝: 1
系列: SBC
模塊/板類型: 單板計算機(jī)模塊
適用于相關(guān)產(chǎn)品: OP7100
其它名稱: 20-101-732
20-101-732-ND
OP7100
Memory, I/O Map, and Interrupt Vectors
101
Table C-1. CM7000 Execution Times for Dynamic C
Operation
Execution Time
(s)
DMA copy (per byte)
0.73
Integer assignment (i=j;)3.4
Integer add (j+k;)4.4
Integer multiply (j*k;)18
Integer divide (j/k;)90
Floating add (p+q;) (typical)
85
Floating multiply (p*q;)
113
Floating divide (p/q;)
320
Long add (l+m;)28
Long multiply (l*m;)97
Long divide (l/m;)
415
Floating square root (sqrt(q);)
849
Floating exponent (exp(q);)
2503
Floating cosine (cos(q);)
3049
Execution Timing
The times reported in Table C-1 were measured using Dynamic C and they
reflect the use of Dynamic C libraries. The time required to fetch the
arguments from memory, but not to store the result, is included in the
timings. The times are for a 9.216 MHz clock with 0 wait states.
The execution times can be adjusted proportionally for clock speeds other
than 9.216 MHz. Operations involving one wait state will slow the
execution speed about 25%.
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