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ST10F272M bảng dữ liệu(PDF) 46 Page - STMicroelectronics

tên linh kiện ST10F272M
Giải thích chi tiết về linh kiện  16-bit MCU with 256 Kbyte Flash memory and 20 Kbyte RAM
PDF  176 Pages
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST10F272M bảng dữ liệu(HTML) 46 Page - STMicroelectronics

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Central processing unit (CPU)
ST10F272M
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Doc ID 12968 Rev 3
7.1
Multiplier-accumulator unit (MAC)
The MAC co-processor is a specialized co-processor added to the ST10 CPU core in order
to improve the performances of the ST10 family in signal processing algorithms.
The standard ST10 CPU has been modified to include new addressing capabilities which
enable the CPU to supply the new co-processor with up to 2 operands per instruction cycle.
This new co-processor (so-called MAC) contains a fast multiply-accumulate unit and a
repeat unit.
The co-processor instructions extend the ST10 CPU instruction set with multiply, multiply-
accumulate, 32-bit signed arithmetic operations.
Figure 8.
MAC unit architecture
1.
Shared with standard ALU



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