MOTOROLA
MPC823e Mobile Computing Microprocessor
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— 16 x 16-Bit Multiply-Accumulate (MAC) Hardware
– One Operation Per Clock
– Two Clock Latency and One Clock Blockage
– Operates Concurrently with Other Instructions
– Uses DMA Controller to Burst Data Directly into Register File without Interacting
with the PowerPC Core
— 8K Dual-Port RAM
— Twelve Serial DMA (SDMA) Channels
— 32-Bit, Harvard Architecture, Scalar RISC Microcontroller
— Communication-Specific Commands
— Supports Continuous-Mode Transmission and Reception on All Serial Channels
— Each Serial Channel has Externally Accessible Pins
Four Baud Rate Generators
— Independent and Can be Connected to a Serial Communication Controller or Serial
Management Controller
— Allows Changes During Operation
— Autobaud Support Option
Two Serial Communication Controllers (SCCs)
— Ethernet/IEEE 802.3 Support (10Mbps and Full-Duplex Operation)
— GeoPort Support
— HDLC Bus Implements an HDLC-Based Local Area Network
— Universal Asynchronous Receiver Transmitter
— Synchronous UART
— Serial Infrared (IrDA) Supporting a Maximum of 4Mbps (SCC2 Only)
— Totally Transparent. Frame-Based with Optional Cyclical Redundancy Check
— Maximum Serial Data Rate of 35Mbps
One Dedicated High-Speed Serial Channel for the Universal Serial Bus (USB)
— Supports USB Host/Slave Modes at a Maximum of 12Mbps with Four USB Endpoints
Two Serial Management Controllers (SMCs) with Externally Accessible Pins
— UART
— Transparent
— General Circuit Interface (GCI) Controller
— Can Be Connected to the Time-Division Multiplexed (TDM) Channel
One Serial Peripheral Interface
— Supports Master and Slave Modes
— Supports Multimaster Operation on the Same Bus
One I
C Port
— Supports Master and Slave Modes
— Supports Multimaster Environments
— Supports High-Speed Operation
— Supports 7-Bit Addressing
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Freescale Semiconductor, Inc.
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