参数资料
型号: ATSAM3SD8BA-MU
厂商: Atmel
文件页数: 7/57页
文件大小: 0K
描述: IC MCU 2X256KB CORTEX-M3 64-QFN
标准包装: 260
系列: SAM3S
核心处理器: ARM? Cortex?-M3
芯体尺寸: 32-位
速度: 64MHz
连通性: I²C,IrDA,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: 47
程序存储器容量: 512KB(512K x 8)
程序存储器类型: 闪存
RAM 容量: 64K x 8
电压 - 电源 (Vcc/Vdd): 1.62 V ~ 1.95 V
数据转换器: A/D 11x12b,D/A 2x12b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 64-VFQFN 裸露焊盘
包装: 托盘
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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