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): 13/89頁(yè)
文件大?。?/td> 560K
代理商: D950-CORE
13/89
D950-Core
4
BLOCK DESCRIPTION
4.1 Data Calculation Unit (DCU)
4.1.1 Introduction
The D950-Core DCU includes the following main components:
Register file - containing 16 data registers
4 Control Registers:
DCU0CR: Register
BSC: Shifter Control
PSC: Shifter Control
CCR: ALU Flags
Multiplier - 16x16-bit signed/unsigned fractional/integer parallel multiplier.
BSU - 40-bit Barrel Shifter Unit with a maximum right or left shift value of 32.
ALU - 40-bit Arithmetic and Logic Unit implementing a wide range of arithmetic
and logic functions with an 8-bit extension for arithmetic operations.
BMU - 16-bit Bit Manipulation Unit implementing bit operations on internal
registers and/or on 16-bit data RAM with an 8/16-bit mask.
Figure 4.1
D950-Core Data Calculation Unit
L0
L1
R0
16
R1
16
16
XD
YD
16-bit PL
16
16-bit A0H
16-bit A1H
16-bit A0L
16-bit A1L
40-bit A.L.U.
16-bit PH
32
XD
YD
6
32
C.C.R.
STA
8
XD
8
YD
8-b A0E
8-b A1E
13
32
8
B.S.C.
P.S.C.
6
16
16 x 16 SIGNED / UNSIGNED
MULTIPLIER
WITH PROGRAMMABLE
ROUNDING
16
8
13
13
8
16
40-bit extension
40-bit extension
40-bit B.S.
40
VR02017B
5
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