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PC7447AMGH1000LB 数据表(PDF) 1 Page - ATMEL Corporation |
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PC7447AMGH1000LB 数据表(HTML) 1 Page - ATMEL Corporation |
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1 / 44 page  Features • 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) • PD Typically 18W at 1.33 GHz at VDD = 1.3V; 8.0W at 1 GHz at VDD = 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 (252) • 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 • fINT Max = 1.33 GHz (1.42 GHz to be Confirmed) • fBUS Max = 133 MHz/166 MHz 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®’s AltiVec™ 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 • Full Military Temperature Range (Tj = -55°C, +125°C) • Industrial Temperature Range (Tj = -40°C, +110°C) GH suffix HITCE 360 PowerPC® 7447A RISC Microprocessor PC7447A Preliminary Rev. 5387B–HIREL–07/05 |
类似零件编号 - PC7447AMGH1000LB |
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类似说明 - PC7447AMGH1000LB |
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