參數(shù)資料
型號(hào)： ACT-7000SC-200F24M
廠商： Aeroflex Inc.
元件分類： 64位微處理器
英文描述： ACT 7000SC 64-Bit Superscaler Microprocessor
中文描述： 法7000SC 64位微處理器Superscaler
文件頁(yè)數(shù)： 2/25頁(yè)
文件大小： 487K
代理商： ACT-7000SC-200F24M
Aeroflex Circuit Technology
SCD7000SC REV B 7/30/01 Plainview NY (516) 694-6700
2
DESCRIPTION
The ACT 7000SC is a highly integrated symmetric
superscalar microprocessor capable of issuing two
instructions each processor cycle. It has two high
performance 64-bit integer units as well as a high
throughput, fully pipelined 64-bit floating point unit. To
keep its multiple execution units running efficiently,
the ACT 7000SC integrates not only 16KB 4-way set
associative instruction and data caches but backs
them up with an integrated 256KB 4-way set
associative secondary as well. For maximum
efficiency, the data and secondary caches are
writeback and nonblocking. A RM52XX family
compatible, operating system friendly memory
management unit with a 64/48-entry fully associative
TLB and a high-performance 64-bit system interface
supporting
hardware
prioritized
interrupts round out the main features of the
processor.
The ACT 7000SC is ideally suited for highend
embedded
control
applications
internetworking,
high
manipulation,
high
speed
visualization.
HARDWARE OVERVIEW
The ACT 7000SC offers a high-level of integration
targeted
at
high-performance
applications. The key elements of the ACT 7000SC
are briefly described below.
and
vectored
such
as
performance
printing,
image
3-D
and
embedded
CPU Registers
Like all MIPS ISA processors, the ACT 7000SC
CPU has a simple, clean user visible state consisting
of 32 general purpose registers, or GPR’s, two special
purpose registers for integer multiplication and
division, and a program counter; there are no
condition code bits. Figure 1 shows the user visible
state.
Superscalar Dispatch
The ACT 7000SC has an efficient symmetric
superscalar dispatch unit which allows it to issue up to
two instructions per cycle. For purposes of instruction
issue, the ACT 7000SC defines four classes of
instructions: integer, load/store, branches, and
floating-point. There are two logical pipelines, the
function or F, pipeline and the memory, or M,
pipeline. Note however that the M pipe can execute
integer as well as memory type instructions.
Figure 2 is a simplification of the pipeline section
and illustrates the basics of the instruction issue
mechanism.
Table 1 – Instruction Issue Rules
F Pipe
M Pipe
one of:
one of:
integer, branch, floating-point,
integer mul, div
integer, load/store
General Purpose Registers
63
0
Multiply/Divide Registers
0
63
0
r1
HI
r2
63
0
LO
Program Counter
63
0
r29
PC
r30
r31
Figure 1 – CP0 Registers
相關(guān)PDF資料
PDF描述
ACT-7000SC-200F24Q ACT 7000SC 64-Bit Superscaler Microprocessor
ACT-7000SC-200F24T ACT 7000SC 64-Bit Superscaler Microprocessor
ACT-7000SC-266F17M ACT 7000SC 64-Bit Superscaler Microprocessor
ACT-7000SC-266F17Q ACT 7000SC 64-Bit Superscaler Microprocessor
ACT-7000SC-266F17T ACT 7000SC 64-Bit Superscaler Microprocessor
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ACT-7000SC-200F24Q 制造商:AEROFLEX 制造商全稱:AEROFLEX 功能描述:ACT 7000SC 64-Bit Superscaler Microprocessor
ACT-7000SC-200F24T 制造商:AEROFLEX 制造商全稱:AEROFLEX 功能描述:ACT 7000SC 64-Bit Superscaler Microprocessor
ACT-7000SC-210F17C 制造商:AEROFLEX 制造商全稱:AEROFLEX 功能描述:ACT 7000SC 64-Bit Superscaler Microprocessor
ACT-7000SC-210F17I 制造商:AEROFLEX 制造商全稱:AEROFLEX 功能描述:ACT 7000SC 64-Bit Superscaler Microprocessor
ACT-7000SC-210F17M 制造商:AEROFLEX 制造商全稱:AEROFLEX 功能描述:ACT 7000SC 64-Bit Superscaler Microprocessor
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