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參數(shù)資料
| 型號(hào)： | MC68EZ328 |
| 廠商： | Motorola, Inc. |
| 英文描述： | Integrated Portable System Processor |
| 中文描述： | 集成便攜式系統(tǒng)處理器 |
| 文件頁(yè)數(shù)： | 2/8頁(yè) |
| 文件大小： | 103K |
| 代理商： | MC68EZ328 |
2
MC68EZ328 Product Brief
1
Key Features
The primary features of the MC68EZ328 are as follows:
Static 68EC000 Core Processor
—
Identical to MC68EC000 Microprocessor
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Full compatibility with MC68000 and MC68EC000
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32-Bit internal address bus
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24-Bit external address bus capable of addressing maximum 4 x 16MB blocks with chip selects CSA,
CSB and 4 x 4 MB blocks with chip selects CSC, CSD
—
16-Bit on-chip data bus for MC68000 bus operations
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Static design allows processor clock to be stopped to provide power savings
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2.7 MIPS Performance at 16.58 MHz processor clock and 3.25 MIPS Performance at 20 MHz processor
clock
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External M68000 Bus interface with selectable bus sizing for 8-bit and 16-bit data ports
System Integration Module (SIM28-EZ), incorporating many functions typically related to external array
logic, such as:
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System configuration, programmable address mapping
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Glueless interface to SRAM, EPROM, FLASH memory
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8 programmable chip selects with wait state generation logic
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4 programmable interrupt I/O and with keyboard interrupt capability
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5 general purpose, programmable edge/level/polarity interrupt IRQ
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Other programmable I/O, multiplexed with peripheral functions up to 47 parallel I/O
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Programmable interrupt vector response for on-chip peripheral modules
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Low-power mode control
DRAM Controller
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Support CAS-before-RAS refresh cycles and self-refresh mode DRAM
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Support 8 bit / 16 bit port DRAM
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EDO or Automatic Fast Page Mode for LCDC access
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Programmable refresh rate
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Support up to 2 banks of DRAM/EDO DRAM
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Programmable column address size
UART
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Support IrDA physical layer protocol up to 115.2kbps
—
8 Bytes FIFO on Tx and 12 Bytes FIFO on Rx
Serial Peripheral Interface Port
—
16 bit programmable SPI to support external peripherals
—
Master mode support
16-Bit General Purpose Counter / Timer
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Automatic interrupt generation
—
60-ns resolution at 16.58-MHz system clock
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