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參數(shù)資料
| 型號： | KXPC823ZT81B2T |
| 廠商： | Freescale Semiconductor |
| 文件頁數(shù)： | 5/12頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC MPU POWERQUICC 81MHZ 256-PBGA |
| 標準包裝： | 2 |
| 系列： | MPC8xx |
| 處理器類型： | 32-位 MPC8xx PowerQUICC |
| 速度： | 81MHz |
| 電壓： | 1.8V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 256-BGA |
| 供應商設備封裝： | 256-PBGA（23x23） |
| 包裝： | 托盤 |
2
MPC823 Mobile Computing Microprocessor
MOTOROLA
Key Features
The following list summarizes key features of the MPC823:
Embedded PowerPC Core Provides 99MIPS (Using Dhrystone 2.1) or
172K Dhrystones 2.1 at 75MHz
— Single-Issue, 32-Bit Version of the PowerPC Core (Fully Compatible with the PowerPC
Architecture Denition) with 32 x 32-Bit Fixed-Point Registers
— Low Power Consumption, 3.3V I/O Boundary with Microprocessor Core, Caches,
Memory Management, and I/O in Operation
— Performs Branch Folding, Branch Prediction with Conditional Prefetch, without
Conditional Execution
— 1K Data Cache and 2K Instruction Cache
— Instruction Cache is Two-Way, Set Associative and the Data Cache is Two-Way,
Set-Associative, Physical Address, 4-Word Line Burst, LRU Replacement Algorithm,
Lockable Online Granularity
— Memory Management Units with 8-Entry Translation Lookaside Buffers (TLBs) and
Fully Associative Instruction and Data TLBs
— Memory Management Units Support Multiple Page Sizes of 4K, 16K, 512K and 8M
(1K Protection Granularity at the 4K Page Size); 16 Virtual Address Spaces and
16 Protection Groups
Advanced On-Chip Debug Mode
Data Bus Dynamic Bus Sizing for 8-,16-, and 32-Bit Buses
— Supports Traditional 68K Big-Endian, Traditional x86 Little-Endian, and PowerPC
Little-Endian Memory Systems
— Twenty-Six External Address Lines
Completely Static Design (0–75MHz Operation)
— External Bus Division Factor (EBDF) Should be Divided by 2 for Frequencies Greater
Than 50MHz
Communication Processor Module
— Interfaces to PowerPC Core Through On-Chip Dual-Access RAM and Virtual (Serial)
DMA Channels on a Dedicated DMA Accelerator
— Programmable Memory-to-Memory and Memory-to-I/O (Including Flyby) DMA
Provided by Virtual DMA Support
— CPM Provides 75+MIPS @ 75MHz in Parallel with PowerPC Core
— Protocols Supported by ROM or Download Microcode and the Hardware Serial
Communication Controllers Include, but are not Limited to, the Digital Portions of:
– Ethernet/IEEE 802.3 (CS/CDMA)
– HDLC/SDLC and HDLC Bus
– AppleTalk
– Universal Asynchronous Receiver Transmitter (UART)
– Synchronous UART (USART)
– Totally Transparent Mode with/without CRC
– Asynchronous HDLC
– IrDA Version 1.1 Serial Infrared (SCC2 only)
– Basic Rate ISDN (BRI) in Conjunction with Serial Management
Controller Channels
– Primary Rate ISDN
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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