參數(shù)資料
型號: CW001004
廠商: LSI CORP
元件分類: 微控制器/微處理器
英文描述: ARM7TDMI 32-bit RISC microprocessor(基于ARM7TDMI芯片的32位微處理器)
中文描述: 32-BIT, RISC PROCESSOR
文件頁數(shù): 1/36頁
文件大小: 234K
代理商: CW001004
March 1998
Copyright 1997, 1998 by LSI Logic Corporation. All rights reserved.
1
CW001004 ARM7TDMI
Microprocessor Core
Preliminary Datasheet
The LSI Logic CW001004 core is an implementation of the Advanced
RISC Machines ARM7TDMI 32-bit RISC microprocessor developed by
Advanced RISC Machines. It was developed to meet the requirements of
the LSI Logic CoreWare
methodology. Because it can execute both
32-bit and 16-bit instructions, it achieves code densities similar to many
16-bit CISC-based microcontrollers, but at substantially higher
performance and lower power.
Figure 1
Core Block Diagram
The CW001004 core employs an innovative architectural strategy known
as THUMB which makes it ideally suited to high volume applications
with memory restrictions and applications where code density is an
issue. See
“THUMB Architecture,” on page 7
for more information.
Scan Chain 0
A[31:0]
Core
Scan Chain 1
D[31:0]
nOPC
nRW
All
Other
Signals
TCK TMS
TDI
nTRST
TDO
nTRANS
nMREQ
Scan Chain 2
ICEBreaker
TAP Controller
MAS[1:0]
B
DIN[31:0]
DOUT[31:0]
TAPSM[3:0] IR[3:0] SCREG[3:0]
EXTERN1
EXTERN0
RANGEOUT1
RANGEOUT0
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