Atmel PC745
The PC745 is a drop-in replacement for the PowerPC 740 microprocessor and is also footprint and user software code compatible with the PowerPC 603e microprocessor. The PC745 microprocessor is pin compatible with the TSPC603e family. PC755 Block Diagram Additional Features * Time Base Counter/Decrementer * Clock Multiplier * JTAG/COP Interface * Thermal/Power Management * Performance Monitor 2 Instructions Instruction Unit Fetcher Branch Processing Unit Instruction Queue (6-Word) BTIC 64-Entry BHT CTR LR Dispatch Unit 64-Bit (2...| Part No. | PC745 |
|---|---|
| Datasheet | PC745 Download |
| Manufacturer |  Atmel |
| Description | 32-bit RISC Microprocessor |
| Buy | Stock & Price |
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
● fINT max = 400 MHz (TBC)
● fBUS max = 100 MHz
● Voltage I/O 2.5V/3.3V; Voltage Int 2.0V PowerPC 755/745 32-bit RISC Microprocessor
DESCRIPTION
The PC755 and PC745 PowerPC® microprocessors are high-performance, lowpower, 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.
