参数资料
型号: ATSAM3U4CA-AU
厂商: Atmel
文件页数: 32/60页
文件大小: 0K
描述: IC MCU 32BIT 256KB FLASH 100LQFP
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: 90
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-LQFP
包装: 托盘
配用: ATSAM3U-EK-ND - KIT EVAL FOR AT91SAM3U CORTEX
38
6430FS–ATARM–10-Feb-12
SAM3U Series
The Slow Clock generator is based on a 32 kHz crystal oscillator and an embedded 32 kHz RC
oscillator. The Slow Clock defaults to the RC oscillator, but the software can enable the crystal
oscillator and select it as the Slow Clock source.
The Supply Controller starts up the device by enabling the Voltage Regulator, then it generates
the proper reset signals to the core power supply.
It also enables to set the system in different low power modes and to wake it up from a wide
range of events.
10.5
Clock Generator
The Clock Generator is made up of:
One Low Power 32768 Hz Slow Clock Oscillator with bypass mode
One Low Power RC Oscillator
One 3 to 20 MHz Crystal Oscillator, which can be bypassed
One Fast RC Oscillator factory programmed, 3 output frequencies can be selected: 4, 8 or 12
MHz. By default 4 MHz is selected. 8 MHz and 12 MHz output are factory calibrated.
One 480 MHz UPLL providing a clock for the USB High Speed Device Controller. Input
frequency is 12 MHz (only).
One 96 to 192 MHz programmable PLL (PLL A), capable to provide the clock MCK to the
processor and to the peripherals. The input frequency of the PLL A is between 8 and 16 MHz.
Figure 10-2. Clock Generator Block Diagram
Power
Management
Controller
XIN
XOUT
Main Clock
MAINCK
UPLL Clock
UPLLCK
Control
Status
PLL and
Divider A
PLLA Clock
PLLACK
12M Main
Oscillator
PLL B
On Chip
32k RC OSC
Slow Clock
SLCK
XIN32
XOUT32
Slow Clock
Oscillator
Clock Generator
XTALSEL
HSCK
Divider
/6 /8
On Chip
12/8/4 MHz
RC OSC
MAINSEL
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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