参数资料
型号: AT32UC3A1128-AUR
厂商: Atmel
文件页数: 33/97页
文件大小: 0K
描述: MCU AVR32 128K FLASH 100TQFP
产品培训模块: MCU Product Line Introduction
AVR® UC3 Introduction
标准包装: 1
系列: AVR®32 UC3 A1
核心处理器: AVR
芯体尺寸: 32-位
速度: 66MHz
连通性: 以太网,I²C,SPI,SSC,UART/USART,USB OTG
外围设备: 欠压检测/复位,POR,PWM,WDT
输入/输出数: 69
程序存储器容量: 128KB(128K x 8)
程序存储器类型: 闪存
RAM 容量: 32K x 8
电压 - 电源 (Vcc/Vdd): 1.65 V ~ 1.95 V
数据转换器: A/D 8x10b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 100-TQFP
包装: 剪切带 (CT)
配用: ATSTK600-RC28-ND - STK600 ROUTING CARD AVR
其它名称: AT32UC3A1128-AURCT
39
AT32UC3A
11. Boot Sequence
This chapter summarizes the boot sequence of the AT32UC3A. The behaviour after power-up is
controlled by the Power Manager. For specific details, refer to Section 13. ”Power Manager
(PM)” on page 53.
11.1
Starting of clocks
After power-up, the device will be held in a reset state by the Power-On Reset circuitry, until the
power has stabilized throughout the device. Once the power has stabilized, the device will use
the internal RC Oscillator as clock source.
On system start-up, the PLLs are disabled. All clocks to all modules are running. No clocks have
a divided frequency, all parts of the system recieves a clock with the same frequency as the
internal RC Oscillator.
11.2
Fetching of initial instructions
After reset has been released, the AVR32 UC CPU starts fetching instructions from the reset
address, which is 0x8000_0000. This address points to the first address in the internal Flash.
The code read from the internal Flash is free to configure the system to use for example the
PLLs, to divide the frequency of the clock routed to some of the peripherals, and to gate the
clocks to unused peripherals.
32058KS–AVR32–01/12
相关PDF资料
PDF描述
AT32UC3C2128C-A2UR IC MCU AVR32 128K FLASH 64TQFP
AT32UC3A4128-C1UR IC MCU 128K FLASH 100VFBGA
90327-0310 CONN RECEPT IDT 10POS 1.27MM TIN
90327-3306 CONN RECEPT IDT 6POS 1.27MM GOLD
90327-0308 CONN RECEPT IDT 8POS 1.27MM TIN
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AT32UC3A1256 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:AVR32 32-Bit Microcontroller
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