參數(shù)資料
型號: ATSAM3U1CA-CU
廠商: Atmel
文件頁數(shù): 33/60頁
文件大小: 0K
描述: IC MCU 32BIT 64KB FLASH 100TFBGA
產(chǎn)品培訓模塊: 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
標準包裝: 260
系列: SAM3U
核心處理器: ARM? Cortex?-M3
芯體尺寸: 32-位
速度: 96MHz
連通性: EBI/EMI,I²C,MMC,SPI,SSC,UART/USART,USB
外圍設備: 欠壓檢測/復位,DMA,I²S,POR,PWM,WDT
輸入/輸出數(shù): 57
程序存儲器容量: 64KB(64K x 8)
程序存儲器類型: 閃存
RAM 容量: 20K x 8
電壓 - 電源 (Vcc/Vdd): 1.62 V ~ 1.95 V
數(shù)據(jù)轉換器: A/D 4x10b,4x12b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 100-TFBGA
包裝: 托盤
配用: ATSAM3U-EK-ND - KIT EVAL FOR AT91SAM3U CORTEX
39
6430FS–ATARM–10-Feb-12
SAM3U Series
10.6
Power Management Controller
The Power Management Controller provides all the clock signals to the system. It provides:
the Processor Clock HCLK
the Free running processor clock FCLK
the Cortex SysTick external clock
the Master Clock MCK, in particular to the Matrix and the memory interfaces
the USB Device HS Clock UDPCK
independent peripheral clocks, typically at the frequency of MCK
three programmable clock outputs: PCK0, PCK1 and PCK2
The Supply Controller selects between the 32 kHz RC oscillator or the crystal oscillator. The
unused oscillator is disabled automatically so that power consumption is optimized.
By default, at startup the chip runs out of the Master Clock using the Fast RC Oscillator running
at 4 MHz.
Figure 10-3.
Power Management Controller Block Diagram
The SysTick calibration value is fixed at 10500, which allows the generation of a time base of
1 ms with SystTick clock to 10.5 MHz (max HCLK/8).
MCK
periph_clk[..]
int
SLCK
MAINCK
PLLACK
Prescaler
/1,/2,/4,...,/64
HCK
Processor
Clock
Controller
Sleep Mode
Master Clock Controller
Peripherals
Clock Controller
ON/OFF
USB Clock Controller
SLCK
MAINCK
PLLACK
Prescaler
/1,/2,/4,...,/64
Programmable Clock Controller
HSCK
pck[..]
PLLBCK
UDPCK
ON/OFF
FCLK
SystTick
Divider
/8
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ATSAM3U1EA-CU 功能描述:ARM微控制器 - MCU 64K Flash, 20K SRAM 32-bit ARM Cortex M3 RoHS:否 制造商:STMicroelectronics 核心:ARM Cortex M4F 處理器系列:STM32F373xx 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:72 MHz 程序存儲器大小:256 KB 數(shù)據(jù) RAM 大小:32 KB 片上 ADC:Yes 工作電源電壓:1.65 V to 3.6 V, 2 V to 3.6 V, 2.2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:LQFP-48 安裝風格:SMD/SMT
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