參數(shù)資料
型號(hào): ATSAM3SD8BA-MU
廠商: Atmel
文件頁數(shù): 7/57頁
文件大?。?/td> 0K
描述: IC MCU 2X256KB CORTEX-M3 64-QFN
標(biāo)準(zhǔn)包裝: 260
系列: SAM3S
核心處理器: ARM? Cortex?-M3
芯體尺寸: 32-位
速度: 64MHz
連通性: I²C,IrDA,MMC,SPI,SSC,UART/USART,USB
外圍設(shè)備: 欠壓檢測/復(fù)位,DMA,I²S,POR,PWM,WDT
輸入/輸出數(shù): 47
程序存儲(chǔ)器容量: 512KB(512K x 8)
程序存儲(chǔ)器類型: 閃存
RAM 容量: 64K x 8
電壓 - 電源 (Vcc/Vdd): 1.62 V ~ 1.95 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 11x12b,D/A 2x12b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 64-VFQFN 裸露焊盤
包裝: 托盤
15
11090BS–ATARM–22-Oct-13
SAM3S8/SD8 Summary
Figure 5-1.
Single Supply
Note:
Restrictions
With Main Supply < 2.0 V, USB and ADC/DAC and Analog comparator are not usable.
With Main Supply
≥ 2.0V and < 3V, USB is not usable.
With Main Supply
≥ 3V, all peripherals are usable.
Figure 5-2.
Core Externally Supplied
Note:
Restrictions
With Main Supply < 2.0V, USB is not usable.
With VDDIN < 2.0V, ADC, DAC and Analog comparator are not usable.
With Main Supply
≥ 2.0V and < 3V, USB is not usable.
With Main Supply and VDDIN
≥ 3V, all peripherals are usable.
Figure 5-3 below provides an example of the powering scheme when using a backup battery.
Since the PIO state is preserved when in backup mode, any free PIO line can be used to switch
off the external regulator by driving the PIO line at low level (PIO is input, pull-up enabled after
backup reset). External wake-up of the system can be from a push button or any signal. See
Main Supply
(1.8V-3.6V)
ADC, DAC
Analog Comp.
USB
Transceivers.
VDDIN
Voltage
Regulator
VDDOUT
VDDCORE
VDDIO
VDDPLL
Main Supply
(1.62V-3.6V)
Can be the
same supply
VDDCORE Supply
(1.62V-1.95V)
ADC, DAC, Analog
Comparator Supply
(2.0V-3.6V)
ADC, DAC
Analog Comp.
USB
Transceivers.
VDDIN
Voltage
Regulator
VDDOUT
VDDCORE
VDDIO
VDDPLL
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