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PC755 Datasheet(PDF) 1 Page - ATMEL Corporation |
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PC755 Datasheet(HTML) 1 Page - ATMEL Corporation |
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1 / 50 page  1 2138D–HIREL–06/03 Features • 18.1SPECint95, Estimates 12.3 SPECfp95 at 400 MHz (PC755) • 15.7SPECint95, 9SPECfp95 at 350 MHz (PC745) • 733 MIPS at 400 MHz (PC755) at 641 MIPS at 350 MHz (PC745) • Selectable Bus Clock (12 CPU Bus Dividers up to 10x) • PD Typical 6.4W at 400 MHz, Full Operating Conditions • Nap, Doze and Sleep Modes for Power Savings • Superscalar (3 Instructions per Clock Cycle) Two Instruction + Branch • 4 Beta Byte Virtual Memory, 4-GByte of Physical Memory • 64-bit Data and 32-bit Address Bus Interface • 32-KB Instruction and Data Cache • Six Independent Execution Units • Write-back and Write-through Operations • f INT max = 400 MHz (TBC) • f BUS max = 100 MHz • Voltage I/O 2.5V/3.3V; Voltage Int 2.0V Description The PC755 and PC745 PowerPC ® microprocessors are high-performance, low- power, 32-bit implementations of the PowerPC Reduced Instruction Set Computer (RISC) architecture, especially enhanced for embedded applications. The PC755 and PC745 microprocessors differ only in that the PC755 features an enhanced, dedicated L2 cache interface with on-chip L2 tags. The PC755 is a drop-in replacement for the award winning PowerPC 750 ™ microprocessor and is footprint and user software code compatible with the MPC7400 microprocessor with AltiVec ™ technology. The PC745 is a drop-in replacement for the PowerPC 740 ™ microproces- sor and is also footprint and user software code compatible with the PowerPC 603e ™ microprocessor. PC755/745 microprocessors provide on-chip debug support and are fully JTAG-compliant. The PC745 microprocessor is pin compatible with the TSPC603e family. ZF suffix PBGA255 Flip-Chip Plastic Ball Grid Array ZF suffix PBGA360 Flip-Chip Plastic Ball Grid Array G suffix CBGA360 Ceramic Ball Grid Array GH suffix HITCE 360 Ceramic Ball Grid Array GS suffix CI-CGA360 Ceramic Ball Grid Array with Solder Column Interposer (SCI) PowerPC 755/745 RISC Microprocessor PC755/745 Preliminary β-site Rev. 2138D–HIREL–06/03 |
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