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| 型号： | ATSAM3U4CA-CU |
| 厂商： | Atmel |
| 文件页数： | 7/60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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15
6430FS–ATARM–10-Feb-12
SAM3U Series
5.
Power Considerations
5.1
Power Supplies
The SAM3U product has several types of power supply pins:
VDDCORE pins: Power the core, the embedded memories and the peripherals; voltage
ranges from 1.62V to 1.95V.
VDDIO pins: Power the Peripherals I/O lines; voltage ranges from 1.62V to 3.6V.
VDDIN pin: Powers the Voltage regulator
VDDOUT pin: It is the output of the voltage regulator.
VDDBU pin: Powers the Slow Clock oscillator and a part of the System Controller; voltage
ranges from 1.62V to 3.6V. VDDBU must be supplied before or at the same time than VDDIO
and VDDCORE.
VDDPLL pin: Powers the PLL A, UPLL and 3-20 MHz Oscillator; voltage ranges from 1.62V
to 1.95V.
VDDUTMI pin: Powers the UTMI+ interface; voltage ranges from 3.0V to 3.6V, 3.3V nominal.
VDDANA pin: Powers the ADC cells; voltage ranges from 2.0V to 3.6V.
Ground pins GND are common to VDDCORE and VDDIO pins power supplies.
Separated ground pins are provided for VDDBU, VDDPLL, VDDUTMI and VDDANA. These
ground pins are respectively GNDBU, GNDPLL, GNDUTMI and GNDANA.
5.2
Voltage Regulator
The SAM3U embeds a voltage regulator that is managed by the Supply Controller.
This internal regulator is intended to supply the internal core of SAM3U but can be used to sup-
ply other parts in the application. It features two different operating modes:
In Normal mode, the voltage regulator consumes less than 700 A static current and draws
150 mA of output current. Internal adaptive biasing adjusts the regulator quiescent current
depending on the required load current. In Wait Mode or when the output current is low,
quiescent current is only 7A.
In Shutdown mode, the voltage regulator consumes less than 1 A while its output is driven
internally to GND. The default output voltage is 1.80V and the start-up time to reach Normal
mode is inferior to 400 s.
For adequate input and output power supply decoupling/bypassing, refer to “Voltage Regulator”
in the “Electrical Characteristics” section of the product datasheet.
5.3
Typical Powering Schematics
The SAM3U supports a 1.8V-3.6V single supply mode. The internal regulator input connected to
schematics.
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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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