PFSK152 3BSE018877R1 ABB digital signal processing board PFSK151
Brand ABB Wind speed 130m/s digital signal processing board
Weight 17.8 Ib Power 250VDC frequency 58Hz
Channel dual channel power capacity 1200W available for sale Beijing: Tianjin: Hebei; Shanxi; Inner Mongolia: Liao
Type Heavy industry application module model PFSK152 3BSE018877R1
PFSK152 3BSE018877R1 ABB digital signal processing board PFSK151
The performance of SP is affected by its ability to manage memory subsystems. As mentioned earlier, MAC and some other signal processing functions are the basic capabilities of DSP device signal processing, and the fast MAC execution capability requires one instruction word and two data words to be read from memory in each instruction cycle. There are several ways to implement this reading. For example, use multi-interface memory (allowing multiple accesses to memory per instruction cycle), separate instruction and data memory (the “Harvard” structure and its derived classes), and instruction cache (allowing instructions to be read from cache instead of memory, thereby freeing up memory for data reading) and pay attention to the size of supported memory space. The primary target market for many fixed-point DSPS is embedded applications, where memory is generally small, so such DSP devices have small to medium on-chip memory (around 4K to 64K words) with a narrow external data bus. In addition, the address bus of most fixed-point DSPS is less than or equal to 16 bits, so the external memory space that can be connected is limited. Some floating point DSPS have little or no on-chip memory, but the external data bus is wide. For example, TI’s TMS320C30 has only 6K on-chip memory, a 24-bit external bus, and a 13-bit external address bus. ADI’s ADSP2-21060 has 4Mb of on-chip memory, which can be divided into program memory and data memory in a variety of ways. When selecting a DSP, you need to select it according to the storage space and external bus requirements of the specific application.
PFSK152 3BSE018877R1 ABB digital signal processing board PFSK151
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