參數(shù)資料
型號(hào): D950-CORE
廠商: 意法半導(dǎo)體
元件分類: 數(shù)字信號(hào)處理
英文描述: 16-Bit Fixed Point Digital Signal Processor DSP Core
中文描述: 16位定點(diǎn)數(shù)字信號(hào)處理器DSP核
文件頁(yè)數(shù): 19/89頁(yè)
文件大?。?/td> 560K
代理商: D950-CORE
19/89
D950-Core
Figure 4.3
D950-Core Bit Manipulation Unit
This 8-bit mask is extended to a 16-bit mask in three ways:
8-bit value on MSBs, 0x00 on LSBs,
0x00 on MSBs, 8-bit value on LSBs,
8-bit value on MSBs, 8-bit value on LSBs. (In this case, the mask value is the
same on MSB and LSB.)
For registers with a length less than 16-bit (AIE, BSC, PSC), the signed value data is sign-
extended to a 16-bit signed value data before being tested.
Figure 4.4
Extension of an 8-bit Mask to 16-bit Mask
Figure 4.5
15
Sign Extension to a 16-bit Signed Value
15
8
7
0
MASK
0
0
MASK
MASK
MASK
16
8
16
INTERNAL REGISTER
RAM
EXTENSION
TST
BIT MANIPULATION
UNIT
MASK
Processed Data
VR02017D
VR02017P
S
0
5
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