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| 型号： | ATSAM3SD8BA-MU |
| 厂商： | Atmel |
| 文件页数： | 8/57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 |
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16
11090BS–ATARM–22-Oct-13
SAM3S8/SD8 Summary
Figure 5-3.
Backup Battery
5.4
Active Mode
Active mode is the normal running mode with the core clock running from the fast RC oscillator,
the main crystal oscillator or the PLLA. The power management controller can be used to adapt
the frequency and to disable the peripheral clocks.
5.5
Low-power Modes
The various low-power modes of the SAM3S8/SD8 are described below:
5.5.1
Backup Mode
The purpose of backup mode is to achieve the lowest power consumption possible in a system
which is performing periodic wake-ups to perform tasks but not requiring fast startup time
(<0.1ms). Total current consumption is 1.5 A typical.
The Supply Controller, zero-power power-on reset, RTT, RTC, Backup registers and 32 kHz
oscillator (RC or crystal oscillator selected by software in the Supply Controller) are running. The
regulator and the core supply are off.
Backup mode is based on the Cortex-M3 deep sleep mode with the voltage regulator disabled.
The SAM3S8/SD8 can be awakened from this mode through WUP0-15 pins, the supply monitor
(SM), the RTT or RTC wake-up event.
Backup mode is entered by using WFE instructions with the SLEEPDEEP bit in the Cortex-M3
System Control Register set to 1. (See the Power management description in The ARM Cortex-
M3 Processor section of the product datasheet).
Exit from Backup mode happens if one of the following enable wake up events occurs:
WKUPEN0-15 pins (level transition, configurable debouncing)
ADC, DAC
Analog Comp.
USB
Transceivers.
VDDIN
Voltage
Regulator
3.3V
LDO
Backup
Battery
+
-
ON/OFF
IN
OUT
VDDOUT
Main Supply
VDDCORE
ADC, DAC, Analog
Comparator Supply
(2.0V-3.6V)
VDDIO
VDDPLL
PIOx (Output)
WAKEUPx
External wakeup signal
Note: The two diodes provide a “switchover circuit” (for illustration purpose)
between the backup battery and the main supply when the system is put in
backup mode.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ATSAM3SD8BA-MUR | 制造商:Atmel Corporation 功能描述:QFN,GREEN,IND TEMP,MRL A,T&R 制造商:Atmel Corporation 功能描述:QFN,GREEN,IND TEMP,MRL A,T&R - Tape and Reel 制造商:Atmel Corporation 功能描述:IC MCU 32BIT FLASH 64QFN 制造商:Atmel Corporation 功能描述:QFN,Green,IND TEMP,MRL A |
| ATSAM3SD8CA-AU | 功能描述:ARM微控制器 - MCU LQFP,Grn, IT, 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 |
| ATSAM3SD8CA-AUR | 制造商:Atmel Corporation 功能描述:LQFP,GREEN,IND TEMP,MRL A,T&R 制造商:Atmel Corporation 功能描述:LQFP,GREEN,IND TEMP,MRL A,T&R - Tape and Reel 制造商:Atmel Corporation 功能描述:IC MCU 32BIT 512KB FLASH 100LQFP 制造商:Atmel Corporation 功能描述:LQFP,Green,IND TEMP,MRL A |
| ATSAM3SD8CA-CU | 功能描述:ARM微控制器 - MCU BGA,Grn, IT, 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 |
| ATSAM3SD8CA-CUR | 制造商:Atmel Corporation 功能描述:BGA,GREEN, IND TEMP, MRL A,T&R 制造商:Atmel Corporation 功能描述:BGA,GREEN, IND TEMP, MRL A,T&R - Tape and Reel 制造商:Atmel Corporation 功能描述:IC MCU 32BIT FLASH 100BGA 制造商:Atmel Corporation 功能描述:BGAGreen,IND TEMP,MRL A |
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