参数资料
型号: SAX-XC878M-16FFI5V
厂商: INFINEON TECHNOLOGIES AG
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 24 MHz, RISC MICROCONTROLLER, PQFP64
封装: PLASTIC, TQFP-64
文件页数: 132/141页
文件大小: 2385K
代理商: SAX-XC878M-16FFI5V
XC878CLM
Functional Description
Data Sheet
83
V1.1, 2009-08
3.11
Multiplication/Division Unit
The Multiplication/Division Unit (MDU) provides fast 16-bit multiplication, 16-bit and
32-bit division as well as shift and normalize features. It has been integrated to support
the XC878 Core in real-time control applications, which require fast mathematical
computations.
Features
Fast signed/unsigned 16-bit multiplication
Fast signed/unsigned 32-bit divide by 16-bit and 16-bit divide by 16-bit operations
32-bit unsigned normalize operation
32-bit arithmetic/logical shift operations
Table 28 specifies the number of clock cycles used for calculation in various operations.
Table 28
MDU Operation Characteristics
Operation
Result
Remainder
No. of Clock Cycles
used for calculation
Signed 32-bit/16-bit
32-bit
16-bit
33
Signed 16-bit/16bit
16-bit
17
Signed 16-bit x 16-bit
32-bit
-
16
Unsigned 32-bit/16-bit
32-bit
16-bit
32
Unsigned 16-bit/16-bit
16-bit
16
Unsigned 16-bit x 16-bit
32-bit
-
16
32-bit normalize
-
No. of shifts + 1 (Max. 32)
32-bit shift L/R
-
No. of shifts + 1 (Max. 32)
相关PDF资料
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