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參數(shù)資料
| 型號： | MC68EN302 |
| 廠商： | Motorola, Inc. |
| 英文描述： | Integrated Multiprotocol Processor with Ethernet |
| 中文描述： | 集成多協(xié)議處理器與以太網(wǎng) |
| 文件頁數(shù)： | 4/8頁 |
| 文件大小： | 223K |
| 代理商： | MC68EN302 |
4
MC68EN302 PRODUCT INFORMATION
MOTOROLA
MODULE BUS CONTROLLER
The MC68EN302 module bus controller provides basic interface capabilities to the module bus as well as basic
system responsibilities. The features of the module bus controller are:
Interface Between Internal 68000 bus and the Module Bus.
Provision for Dynamic Bus Sizing, Using the Chip Select Logic of the 68302 Core.
Handling of Interrupts for the Ethernet Controller and DRAM Controller.
Coordination of Bus Mastership from External Sources, the Module Bus, and the MC68EN302 Core.
Figure 3. BusStructure
DRAM CONTROLLER
Provides two CAS lines
Provides two RAS lines (two banks supported)
DRAM address multiplexing on standard address bus
Programmable up to three wait states
100 nS DRAM for zero wait states at 20 MHz
80 nS DRAM for zero wait states at 25 MHz
CAS before RAS refresh and refresh support during system reset
MC68EN302
MODULE
BUS
CONTROLLER
ETHERNET AND
DRAMCONTROLLER
MODULE BUS
68000 BUS
P
A
D
S
INTERNAL
68000 BUS
EXTERNAL
302 BUS
INTERNAL
B
U
F
F
E
R
S
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC68EN302AG20BT | 功能描述:微處理器 - MPU 68K INTGR COM PROC ETHRN RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:536 MHz 程序存儲器大小:32 KB 數(shù)據(jù) RAM 大小:128 KB 接口類型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作電源電壓:1.8 V to 3.3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-324 |
| MC68EN302AG25BT | 功能描述:微處理器 - MPU 68K INTGR COM PROC ETHRN RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:536 MHz 程序存儲器大小:32 KB 數(shù)據(jù) RAM 大小:128 KB 接口類型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作電源電壓:1.8 V to 3.3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-324 |
| MC68EN302CAG20BT | 功能描述:微處理器 - MPU 68K INTGR COM PROC ETHRN RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:536 MHz 程序存儲器大小:32 KB 數(shù)據(jù) RAM 大小:128 KB 接口類型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作電源電壓:1.8 V to 3.3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-324 |
| MC68EN302CPV20BT | 制造商:Rochester Electronics LLC 功能描述: 制造商:Freescale Semiconductor 功能描述: |
| MC68EN302PV20 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:Integrated Multiprotocol Processor with Ethernet |
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