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| 型號： | AT32UC3A3-XPLD |
| 廠商： | Atmel |
| 文件頁數(shù)： | 15/94頁 |
| 文件大?。?/td> | 0K |
| 描述： | KIT DEV/EVAL FOR AT32UC3A3 |
| 產(chǎn)品培訓(xùn)模塊： | AVR® UC3 Introduction Sensors Xplained |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 系列： | AVR®32 UC3-A3 Xplained |
| 類型： | MCU |
| 適用于相關(guān)產(chǎn)品： | AT32UC3A3 |
| 所含物品： | 板 |
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22
32072SH–AVR32–10/2012
AT32UC3A3
The register file is organized as sixteen 32-bit registers and includes the Program Counter, the
Link Register, and the Stack Pointer. In addition, register R12 is designed to hold return values
from function calls and is used implicitly by some instructions.
4.3
The AVR32UC CPU
The AVR32UC CPU targets low- and medium-performance applications, and provides an
advanced OCD system, no caches, and a Memory Protection Unit (MPU). Java acceleration
hardware is not implemented.
AVR32UC provides three memory interfaces, one High Speed Bus master for instruction fetch,
one High Speed Bus master for data access, and one High Speed Bus slave interface allowing
other bus masters to access data RAMs internal to the CPU. Keeping data RAMs internal to the
CPU allows fast access to the RAMs, reduces latency, and guarantees deterministic timing.
Also, power consumption is reduced by not needing a full High Speed Bus access for memory
accesses. A dedicated data RAM interface is provided for communicating with the internal data
RAMs.
A local bus interface is provided for connecting the CPU to device-specific high-speed systems,
such as floating-point units and fast GPIO ports. This local bus has to be enabled by writing the
LOCEN bit in the CPUCR system register. The local bus is able to transfer data between the
CPU and the local bus slave in a single clock cycle. The local bus has a dedicated memory
range allocated to it, and data transfers are performed using regular load and store instructions.
Details on which devices that are mapped into the local bus space is given in the Memories
chapter of this data sheet.
Figure 4-1 on page 23 displays the contents of AVR32UC.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AT32UC3A4128 | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:32-bit AVR? Microcontroller |
| AT32UC3A4128-C1UR | 功能描述:32位微控制器 - MCU 128k flash Ind RoHS:否 制造商:Texas Instruments 核心:C28x 處理器系列:TMS320F28x 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:90 MHz 程序存儲器大小:64 KB 數(shù)據(jù) RAM 大小:26 KB 片上 ADC:Yes 工作電源電壓:2.97 V to 3.63 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:LQFP-80 安裝風(fēng)格:SMD/SMT |
| AT32UC3A4128-C1UT | 功能描述:32位微控制器 - MCU 128k flash Ind RoHS:否 制造商:Texas Instruments 核心:C28x 處理器系列:TMS320F28x 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:90 MHz 程序存儲器大小:64 KB 數(shù)據(jù) RAM 大小:26 KB 片上 ADC:Yes 工作電源電壓:2.97 V to 3.63 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:LQFP-80 安裝風(fēng)格:SMD/SMT |
| AT32UC3A4128HBZ-C1UR | 制造商:Atmel Corporation 功能描述:128K FLASH 100 BALL TBGA REEL INDUSTRIAL - Tape and Reel |
| AT32UC3A4128S | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:32-bit AVR? Microcontroller |
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