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PC7447A Datasheet

  • PC7447A

  • 32-bit RISC Microprocessor, 1300 MHz 

  • atmel   atmel

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Features
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3000 Dhrystone 2.1 MIPS at 1.3 GHz
Selectable Bus Clock (30 CPU Bus Dividers up to 28x)
Selectable MPx/60x Interface Voltage (1.8V, 2.5V)
P
D
Typically 18W at 1.33 GHz at V
DD
= 1.3V; 8.0W at 1 GHz at V
DD
= 1.1V
Full Operating Conditions
Nap, Doze and Sleep Power Saving Modes
Superscalar (Four Instructions Fetched Per Clock Cycle)
4 GB Direct Addressing Range
Virtual Memory: 4 Hexabytes (2
52
)
64-bit Data and 36-bit Address Bus Interface
Integrated L1: 32 KB Instruction and 32 KB Data Cache
Integrated L2: 512 KB
11 Independent Execution Units and 3 Register Files
Write-back and Write-through Operations
f
INT
Max = 1.33 GHz (1.42 GHz to be Confirmed)
f
BUS
Max = 133 MHz/166 MHz
PowerPC
廬
7447A
RISC
Microprocessor
PC7447A
Preliminary
Description
The PC7447A host processor is a high-performance, low-power, 32-bit implementa-
tions of the PowerPC Reduced Instruction Set Computer (RISC) architecture
combined with a full 128-bit implementation of Freescale
廬
鈥檚 AltiVec
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technology.
This microprocessor is ideal for leading-edge embedded computing and signal pro-
cessing applications. The PC7447A features 512 KB of on-chip L2 cache. The
PC7447A microprocessor has no backside L3 cache, allowing for a smaller package
designed as a pin-for-pin replacement for the PC7447 microprocessor. This device
benefits from a silicon-on-insulator (SOI) CMOS process technology, engineered to
help deliver tremendous power savings without sacrificing speed. A low-power version
of the PC7447A microprocessor is also available.
Figure 1-1
shows a block diagram of the PC7447A. The core is a high-performance
superscalar design supporting a double-precision floating-point unit and a SIMD multi-
media unit. The memory storage subsystem supports the MPX bus protocol and a
subset of the 60x bus protocol to the main memory and other system resources.
Note that the PC7447A is a footprint-compatible, drop-in replacement in a PC7447
application if the core power supply is 1.3V.
Screening
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Full Military Temperature Range (T
j
= -55擄C, +125擄C)
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Industrial Temperature Range (T
j
= -40擄C, +110擄C)
GH suffix
HITCE 360
Rev. 5387B鈥揌IREL鈥?7/05

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