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ACT5270 Datasheet(PDF) 1 Page - Aeroflex Circuit Technology

Part No. ACT5270
Description  ACT5270 64-Bit Superscaler Microprocessor
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Manufacturer  AEROFLEX [Aeroflex Circuit Technology]
Direct Link  http://www.aeroflex.com
Logo AEROFLEX - Aeroflex Circuit Technology

ACT5270 Datasheet(HTML) 1 Page - Aeroflex Circuit Technology

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Features
eroflex Circuit Technology – RISC TurboEngines For The Future © SCD5270 REV 1 12/22/98
BLOCK DIAGRAM
s
Full militarized QED RM5270 microprocessor
s
Dual Issue superscalar microprocessor - can issue one
integer and one floating-point instruction per cycle
q
133, 150, 200 MHz operating frequencies – Consult Factory for
latest speeds
q
260 Dhrystone2.1 MIPS
q
SPECInt95 5.0, SPECfp95 5.3
s
High performance system interface compatible with RM5260,
R4600, R4700 and R5000
q
64-bit multiplexed system address/data bus for optimum price/
performance with up to 100 MHz operating frequency
q
High performance write protocols maximize uncached write
bandwidth
q
Supports clock divisors (2, 3, 4, 5, 6, 7, 8)
q
5V compatible I/O’s
q
IEEE 1149.1 JTAG boundary scan
s
Integrated on-chip caches
q
16KB instruction - 2 way set associative
q
16KB data - 2 way set associative
q
Virtually indexed, physically tagged
q
Write-back and write-through on per page basis
q
Pipeline restart on first double for data cache misses
s
Integrated memory management unit
q
Fully associative joint TLB (shared by I and D translations)
q
48 dual entries map 96 pages
q
Variable page size (4KB to 16MB in 4x increments)
s
Integrated secondary cache controller (R5000 compatible)
q
Supports 512K or 2MByte block write-through secondary
s
High-performance floating point unit
q
Single cycle repeat rate for common single precision operations
and some double precision operations
q
Two cycle repeat rate for double precision multiply and double
precision combined multiply-add operations
q
Single cycle repeat rate for single precision combined multiply-
add operation
s
MIPS IV instruction set
q
Floating point multiply-add instruction increases performance in
signal processing and graphics applications
q
Conditional moves to reduce branch frequency
q
Index address modes (register + register)
s
Embedded application enhancements
q
Specialized DSP integer Multiply-Accumulate instruction and 3
operand multiply instruction
q
I and D cache locking by set
q
Optional dedicated exception vector for interrupts
s
Fully static CMOS design with power down logic
q
Standby reduced power mode with WAIT instruction
q
6 Watts typical at 3.3V 200 MHz
s
208-lead CQFP, cavity-up package (F17)
s
208-lead CQFP, inverted footprint (F24), Intended to duplicate
the commercial QED footprint
s
179-pin PGA package (
Future Product) (P10)
Preliminary
64-Bit Superscaler Microprocessor
ACT5270


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