The MPC823 microprocessor is a versatile, one-chip integrated microprocessor and peripheral combination that can be used in a variety of electronic products. It particularly excels in low-power, portable, image capture and personal communication products. It has a universal serial bus (USB) interface and video display controller, as well as the existing LCD controller of the MPC821 device.
The MPC823 microprocessor integrates a high-performance embedded MPC8xx core with a communication processor module that uses a specialized RISC processor for imaging and communication. The communication processor module can perform embedded signal processing functions for image compression and decompression. It also supports seven serial channels--two serial communication controllers, two serial management controllers, one I2C port, one USB channel, and one serial peripheral interface.
This two-processor architecture consumes power more efficiently than traditional architectures because the communication processor module frees the core from peripheral tasks like imaging and communication.
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Features
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Embedded MPC8xx Core Provides 99MIPS (Using Dhrystone 2.1) or 172K Dhrystones 2.1 at 75MHz
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Advanced On-Chip Emulation Debug Mode
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Data Bus Dynamic Bus Sizing for 8-,16-, and 32-Bit Buses
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Completely Static Design (0-75MHz Operation)
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Communication Processor Module
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Four Baud Rate Generators
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Two Serial Communication Controllers (SCCs)
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One Dedicated High-Speed Serial Channel for the Universal Serial Bus (USB)
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Two Serial Management Controllers (SMCs) with Externally Accessible Pins
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One Serial Peripheral Interface
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One I2C Port
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Serial Interface with the Two Time-Slot Assigners
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General-Purpose Timers
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Interrupts
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Memory Controller (Eight Banks)
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System Integration Unit
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Video Controller
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LCD Controller
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Single-Socket PCMCIA-ATA Interface
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Low-Power Support Modes
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Development Capabilities and Interface
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3.3V Operation with 5V TTL Compatibility for the General-Purpose I/O Port Pins and 3.3V for All Others
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256-Pin Plastic Ball Grid Array (BGA) Packaging