參數(shù)資料
型號： MC68EC060RC50
廠商： Freescale Semiconductor
文件頁數(shù)： 97/128頁
文件大?。?/td> 0K
描述： IC MPU 32BIT 50MHZ 206-PGA
標(biāo)準包裝： 10
系列： M680x0
處理器類型： M680x0 32-位
速度： 50MHz
電壓： 3.3V
安裝類型： 通孔
封裝/外殼： 206-BEPGA
供應(yīng)商設(shè)備封裝： 206-PGA（47.25x47.25）
包裝： 托盤
MOTOROLA
M68060 USER’S MANUAL
4-1
SECTION 4
MEMORY MANAGEMENT UNIT
NOTE
This section does not apply to the MC68EC060. Refer to
Appendix B MC68EC060 for details.
The MC68060 supports a demand-paged virtual memory environment. Demand means that
programs request permission to use memory area by accessing logical addresses, and
paged means that memory is divided into blocks of equal size, called page frames. Each
page frame is divided into pages of the same size. The operating system assigns pages to
page frames as they are required to meet the needs of the program.
The MC68060 memory management includes the following features:
Independent Instruction and Data Memory Management Units (MMUs)
32-Bit Logical Address Translation to 32-Bit Physical Address
User-Defined 2-Bit Physical Address Extension
Addresses Translated in Parallel with Indexing into Data or Instruction Cache
64-Entry Four-Way Set-Associative Address Translation Cache (ATC) for Each MMU
(128 Total Entries)
Global Bit Allowing Flushes of All Nonglobal Entries from ATCs
Selectable 4- or 8-Kbyte Page Size
Separate Supervisor and User Translation Tables
Two Independent Blocks for Each MMU Can Be Defined as Transparent (Untranslated)
Three-Level Translation Tables with Optional Indirection
Supervisor and Write Protections
History Bits Automatically Maintained in Descriptors
External Translation Disable Input Signal (MDIS) for Emulator Support
Caching Mode Selected on Page Basis
Default Transparent Translation
Default Cache Mode and User Attributes
The MMUs completely overlap address translation time with other processing activities
when the translation is resident in the corresponding ATC. ATC accesses operate in parallel
with indexing into the on-chip instruction and data caches. The MMU MDIS signal dynami-
cally disables address translation for emulation and diagnostic support.
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MC68EC060RC66 功能描述:微處理器 - MPU 32B W/ CACHE 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
MC68EC060RC75 功能描述:微處理器 - MPU 32B W/ CACHE 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
MC68EC060ZU50 功能描述:IC MPU 68K 50MHZ 304-TBGA RoHS:否 類別:集成電路 (IC) >> 嵌入式 - 微處理器 系列:M680x0 標(biāo)準包裝:1 系列:MPC85xx 處理器類型:32-位 MPC85xx PowerQUICC III 特點:- 速度:1.2GHz 電壓:1.1V 安裝類型:表面貼裝 封裝/外殼:783-BBGA，F(xiàn)CBGA 供應(yīng)商設(shè)備封裝:783-FCPBGA（29x29） 包裝:托盤
MC68EC060ZU66 功能描述:微處理器 - MPU 32B W/ CACHE 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
MC68EC060ZU75 功能描述:微處理器 - MPU 32B W/ CACHE 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
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