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描述 Description

The PC8260 PowerQUICC II™ is a versatile communications processor that integrates on one chip, a high-performance PowerPC (PC603e) RISC microprocessor, a highly flexible system integration unit, and many communications peripheral controllers that can be used in a variety of applications, particularly in communications and networking systems.

特性 Features

• PC603e™ Microprocessor (Embedded PowerPC™ Core) at 100 - 200 MHz

– 140 MIPS at 100 MHz (Dhrystone 2.1)

– 280 MIPS at 200 MHz (Dhrystone 2.1)

– High-performance, Superscalar Microprocessor

– Disable CPU Mode

– Improved Low-power Core

– 16-Kbyte Data and 16-Kbyte Instruction Cache, Four-way Set Associative

– Memory Management Unit

– No Floating Point Unit

– Common On-chip Processor (COP)

• System Integration Unit (SIU)

– Memory Controller, Including Two Dedicated SDRAM Machines

– PCI up to 66 MHz (Available in Subsequent Versions)

– Hardware Bus Monitor and Software Watchdog Timer

– IEEE 1149.1 JTAG Test Access Port

• High-performance Communications Processor Module (CPM) with Operating Frequency up to 166 MHz

– PowerPC and CPM May Run at Different Frequencies

– Supports Serial Bit Rates up to 710 Mbps at 133 MHz

– Parallel I/O Registers

– On-board 24 KBytes of Dual-port RAM

– Two Multi-channel Controllers (MCCs) Each Supporting 128 Full-duplex, 64-Kbps, HDLC Lines

– Virtual DMA Functionality

• Two Bus Architectures: One 64-bit PowerPC and One 32-bit Local Bus (or PCI on PC8265)

• Two UTOPIA Level-2 Master/Slave Ports, Both with Multi-PHY Support. One Can Support 8/16 bit Data

• Three MIL Interfaces

• Eight TDM Interfaces (T1/E1), Two TDM Ports Can Be Glueless to T3/E3

• Power Consumption: 2.5W at 133 MHz