參數(shù)資料
型號: D950-CORE
廠商: 意法半導(dǎo)體
元件分類: 數(shù)字信號處理
英文描述: 16-Bit Fixed Point Digital Signal Processor DSP Core
中文描述: 16位定點數(shù)字信號處理器DSP核
文件頁數(shù): 67/89頁
文件大小: 560K
代理商: D950-CORE
67/89
D950-Core
7.2 BUS SWITCH UNIT (BSU)
7.2.1 Introduction
The D950-Core Bus Switch Unit (BSU) is a multiplexed interface between the D950-Core and
external memory. It enables extension of X, Y and I memories off-chip, allowing multiple
possible configurations for an AS-DSP built around the D950-Core. The figure below shows
the layout of the D950-Core BSU.
Figure 7.1
D950-Core Bus Switch Unit
EA
EXRD/DS
ED
ID
IA
YD
YA
XA
XD
D950-CORE
BUS
SWITCH
UNIT
DTACK
BSU_CLK
AS-DSP
RESET
IRD/XRD/YRD
IWR/XWR/YWR
IBS/XBS/YBS
16
16
16
16
INTERNAL MEMORIES
& PERIPHERALS
16
16
16
16
P
MEM.
X
MEM.
Y
MEM.
2
2
2
DTACKin
IDT_EN
EYRD/DS
EYWR/RD
EIRD/DS
EIWR/RD
EXWR/RD
VR02020A
INTERNAL MEMORIES
& PERIPHERALS
INTERNAL MEMORIES
& PERIPHERALS
DEID/DEXD/DEYD
IID/IXD/IYD
8
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