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| 型号： | ATSAM3U4CA-CU |
| 厂商： | Atmel |
| 文件页数： | 11/60页 |
| 文件大小： | 0K |
| 描述： | IC MCU 32BIT 256KB FLSH 100TFBGA |
| 产品培训模块： | MCU Product Line Introduction Cortex®-M3 Introduction and Specific SAM3U Implementation SAM3U Cortex-M3 Based MCU Introduction Touch Solutions on the Atmel ARM? Cortex?-M3 Based Flash Microcontrollers |
| 标准包装： | 260 |
| 系列： | SAM3U |
| 核心处理器： | ARM? Cortex?-M3 |
| 芯体尺寸： | 32-位 |
| 速度： | 96MHz |
| 连通性： | EBI/EMI，I²C，MMC，SPI，SSC，UART/USART，USB |
| 外围设备： | 欠压检测/复位，DMA，I²S，POR，PWM，WDT |
| 输入/输出数： | 57 |
| 程序存储器容量： | 256KB（256K x 8） |
| 程序存储器类型： | 闪存 |
| RAM 容量： | 52K x 8 |
| 电压 - 电源 (Vcc/Vdd)： | 1.62 V ~ 1.95 V |
| 数据转换器： | A/D 4x10b，4x12b |
| 振荡器型： | 内部 |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 100-TFBGA |
| 包装： | 托盘 |
| 配用： | ATSAM3U-EK-ND - KIT EVAL FOR AT91SAM3U CORTEX |
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19
6430FS–ATARM–10-Feb-12
SAM3U Series
5.4
Active Mode
Active mode is the normal running mode with the core clock running from the fast RC oscillator,
the main crystal oscillator or the PLLA. The power management controller can be used to adapt
the frequency and to disable the peripheral clocks.
5.5
Low Power Modes
The various low power modes of the SAM3U are described below:
5.5.1
Backup Mode
The purpose of backup mode is to achieve the lowest power consumption possible in a system
which is performing periodic wake-ups to perform tasks but not requiring fast startup time
(<0.5ms).
The Supply Controller, zero-power power-on reset, RTT, RTC, Backup registers and 32 kHz
Oscillator (RC or crystal oscillator selected by software in the Supply Controller) are running.
The regulator and the core supply are off.
Backup Mode is based on the Cortex-M3 deep-sleep mode with the voltage regulator disabled.
The SAM3U Series can be awakened from this mode through the Force Wake-Up pin (FWUP),
and Wake-Up input pins WKUP0 to WKUP15, Supply Monitor, RTT or RTC wake-up event. Cur-
rent Consumption is 2.5 A typical on VDDBU.
Backup mode is entered by using WFE instructions with the SLEEPDEEP bit in the System Con-
trol Register of the Cortex-M3 set to 1. (See the “Power Management” description in The “ARM
Cortex M3 Processor” section of the product datasheet).
Exit from Backup mode happens if one of the following enable wake up events occurs:
FWUP pin (low level, configurable debouncing)
WKUPEN0-15 pins (level transition, configurable debouncing)
SM alarm
RTC alarm
RTT alarm
5.5.2
Wait Mode
The purpose of the wait mode is to achieve very low power consumption while maintaining the
whole device in a powered state for a startup time of less than 10 s.
In this mode, the clocks of the core, peripherals and memories are stopped. However, the core,
peripherals and memories power supplies are still powered. From this mode, a fast start up is
available.
This mode is entered via Wait for Event (WFE) instructions with LPM = 1 (Low Power Mode bit in
PMC_FSMR). The Cortex-M3 is able to handle external events or internal events in order to
wake-up the core (WFE). This is done by configuring the external lines WKUP0-15 as fast
startup wake-up pins (refer to Section 5.7 “Fast Start-Up”). RTC or RTT Alarm and USB wake-up
events can be used to wake up the CPU (exit from WFE).
Current Consumption in Wait mode is typically 15 A on VDDIN if the internal voltage regulator
is used or 8 A on VDDCORE if an external regulator is used.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ATSAM3U4EA-AU | 功能描述:ARM微控制器 - MCU 256K Flash, 52K SRAM 32-bit ARM Cortex M3 RoHS:否 制造商:STMicroelectronics 核心:ARM Cortex M4F 处理器系列:STM32F373xx 数据总线宽度:32 bit 最大时钟频率:72 MHz 程序存储器大小:256 KB 数据 RAM 大小:32 KB 片上 ADC:Yes 工作电源电压:1.65 V to 3.6 V, 2 V to 3.6 V, 2.2 V to 3.6 V 工作温度范围:- 40 C to + 85 C 封装 / 箱体:LQFP-48 安装风格:SMD/SMT |
| ATSAM3U4EA-CU | 功能描述:ARM微控制器 - MCU 256K Flash, 52K SRAM 32-bit ARM Cortex M3 RoHS:否 制造商:STMicroelectronics 核心:ARM Cortex M4F 处理器系列:STM32F373xx 数据总线宽度:32 bit 最大时钟频率:72 MHz 程序存储器大小:256 KB 数据 RAM 大小:32 KB 片上 ADC:Yes 工作电源电压:1.65 V to 3.6 V, 2 V to 3.6 V, 2.2 V to 3.6 V 工作温度范围:- 40 C to + 85 C 封装 / 箱体:LQFP-48 安装风格:SMD/SMT |
| ATSAM3U-EK | 功能描述:开发板和工具包 - ARM EVAL KIT SAM3U RoHS:否 制造商:Arduino 产品:Development Boards 工具用于评估:ATSAM3X8EA-AU 核心:ARM Cortex M3 接口类型:DAC, ICSP, JTAG, UART, USB 工作电源电压:3.3 V |
| ATSAM3X4CA-AU | 功能描述:ARM微控制器 - MCU QFP100,GREEN, IND TEMP, MRL A RoHS:否 制造商:STMicroelectronics 核心:ARM Cortex M4F 处理器系列:STM32F373xx 数据总线宽度:32 bit 最大时钟频率:72 MHz 程序存储器大小:256 KB 数据 RAM 大小:32 KB 片上 ADC:Yes 工作电源电压:1.65 V to 3.6 V, 2 V to 3.6 V, 2.2 V to 3.6 V 工作温度范围:- 40 C to + 85 C 封装 / 箱体:LQFP-48 安装风格:SMD/SMT |
| ATSAM3X4CA-AUR | 制造商:Atmel Corporation 功能描述:QFP100,GREEN,IND TEMP,MRL A,T& 制造商:Atmel Corporation 功能描述:QFP100,GREEN,IND TEMP,MRL A,T&R - Tape and Reel 制造商:Atmel Corporation 功能描述:IC MCU 32BIT FLASH 100QFP 制造商:Atmel Corporation 功能描述:QFP100,GREEN, IND TEMP,MRL A |
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