參數(shù)資料
型號(hào)： MCIMX31_07
廠商： 飛思卡爾半導(dǎo)體(中國(guó))有限公司
英文描述： Multimedia Applications Processors
中文描述： 多媒體應(yīng)用處理器
文件頁(yè)數(shù)： 5/108頁(yè)
文件大小： 1235K
代理商： MCIMX31_07
Functional Description and Application Information
i.MX31/i.MX31L Advance Information, Rev. 2.3
Freescale Semiconductor
5
Instruction and data memory management units (MMUs), managed using micro TLB structures
backed by a unified main TLB
Instruction and data L1 caches, including a non-blocking data cache with Hit-Under-Miss
Virtually indexed/physically addressed L1 caches
64-bit interface to both L1 caches
Write buffer (bypassable)
High-speed Advanced Micro Bus Architecture (AMBA)
L2 interface
Vector Floating Point co-processor (VFP) for 3D graphics and other floating-point applications
hardware acceleration
ETM
and JTAG-based debug support
2.1.1
Memory System
The ARM1136JF-S complex includes 16 KB Instruction and 16 KB Data L1 caches. It connects to the
i.MX31 and i.MX31L L2 unified cache through 64-bit instruction (read-only), 64-bit data read/write
(bi-directional), and 64-bit data write interfaces.
The embedded 16K SRAM can be used for audio streaming data to avoid external memory accesses for
the low-power audio playback, for security, or for other applications. There is also a 32-KB ROM for
bootstrap code and other frequently-used code and data.
A ROM patch module provides the ability to patch the internal ROM. It can also initiate an external boot
by overriding the boot reset sequence by a jump to a configurable address.
Table 2
shows information about the i.MX31 and i.MX31L core in tabular form.
Table 2. i.MX31/i.MX31L Core
Core
Acronym
Core
Name
Brief Description
Integrated Memory
Includes
ARM11 or
ARM1136
ARM1136
Platform
The ARM1136 Platform consists of the ARM1136JF-S core, the ETM
real-time debug modules, a 6 x 5 multi-layer AHB crossbar switch (MAX), and a
Vector Floating Processor (VFP).
The i.MX31/i.MX31L provide a high-performance ARM11 microprocessor core
and highly integrated system functions. The ARM Application Processor (AP)
and other subsystems address the needs of the personal, wireless, and portable
product market with integrated peripherals, advanced processor core, and
power management capabilities.
16 Kbyte
Instruction Cache
16 Kbyte Data
Cache
128 Kbyte L2
Cache
32 Kbyte ROM
16 Kbyte RAM
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MCIMX31ADSE/C 功能描述:開發(fā)板和工具包 - ARM I.MX31 APP DEV SYS RoHS:否 制造商:Arduino 產(chǎn)品:Development Boards 工具用于評(píng)估:ATSAM3X8EA-AU 核心:ARM Cortex M3 接口類型:DAC, ICSP, JTAG, UART, USB 工作電源電壓:3.3 V
MCIMX31ADSE/C 制造商:Freescale Semiconductor 功能描述:Development Kit
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