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| 型号： | ATSAM3N1CA-CU |
| 厂商： | Atmel |
| 文件页数： | 26/60页 |
| 文件大小： | 0K |
| 描述： | MCU FLASH 100-BGA |
| 产品培训模块： | Touch Solutions on the Atmel ARM? Cortex?-M3 Based Flash Microcontrollers |
| 特色产品： | SAM3N Flash MCU |
| 标准包装： | 260 |
| 系列： | SAM3N |
| 核心处理器： | ARM? Cortex?-M3 |
| 芯体尺寸： | 32-位 |
| 速度： | 48MHz |
| 连通性： | I²C，IrDA，SPI，UART/USART |
| 外围设备： | 欠压检测/复位，DMA，POR，PWM，WDT |
| 输入/输出数： | 79 |
| 程序存储器容量： | 64KB（64K x 8） |
| 程序存储器类型： | 闪存 |
| RAM 容量： | 8K x 8 |
| 电压 - 电源 (Vcc/Vdd)： | 1.62 V ~ 3.6 V |
| 数据转换器： | A/D 16x10b; D/A 1x10b |
| 振荡器型： | 内部 |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 100-TFBGA |
| 包装： | 托盘 |
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32
11011BS–ATARM–22-Feb-12
SAM3N Summary
9.1.3.4
Flash Speed
The user needs to set the number of wait states depending on the frequency used.
For more details, refer to the AC Characteristics sub section in the product Electrical Character-
istics Section.
9.1.3.5
Lock Regions
Several lock bits used to protect write and erase operations on lock regions. A lock region is
composed of several consecutive pages, and each lock region has its associated lock bit.
If a locked-region’s erase or program command occurs, the command is aborted and the EEFC
triggers an interrupt.
The lock bits are software programmable through the EEFC User Interface. The command “Set
Lock Bit” enables the protection. The command “Clear Lock Bit” unlocks the lock region.
Asserting the ERASE pin clears the lock bits, thus unlocking the entire Flash.
9.1.3.6
Security Bit Feature
The SAM3N features a security bit, based on a specific General Purpose NVM bit (GPNVM bit
0). When the security is enabled, any access to the Flash, either through the ICE interface or
through the Fast Flash Programming Interface, is forbidden. This ensures the confidentiality of
the code programmed in the Flash.
This security bit can only be enabled, through the command “Set General Purpose NVM Bit 0” of
the EEFC User Interface. Disabling the security bit can only be achieved by asserting the
ERASE pin at 1, after a full Flash erase is performed. When the security bit is deactivated, all
accesses to the Flash are permitted.
It is important to note that the assertion of the ERASE pin should always be longer than 200 ms.
As the ERASE pin integrates a permanent pull-down, it can be left unconnected during normal
operation. However, it is safer to connect it directly to GND for the final application.
9.1.3.7
Calibration Bits
NVM bits are used to calibrate the brownout detector and the voltage regulator. These bits are
factory configured and cannot be changed by the user. The ERASE pin has no effect on the cal-
ibration bits.
9.1.3.8
Unique Identifier
Each device integrates its own 128-bit unique identifier. These bits are factory configured and
cannot be changed by the user. The ERASE pin has no effect on the unique identifier.
Table 9-1.
Lock bit number
Product
Number of lock bits
Lock region size
SAM3N4
16
16 kbytes (64 pages)
SAM3N2
8
16 kbytes (64 pages)
SAM3N1
4
16 kbytes (64 pages)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ATSAM3N1CB-AU | 功能描述:ARM微控制器 - MCU LQFP, Grn, IT, MRL B 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 |
| ATSAM3N1CB-AUR | 制造商:Atmel Corporation 功能描述:. - LQFP,GREEN,IND TEMP,MRL B, 制造商:Atmel Corporation 功能描述:. - LQFP,GREEN,IND TEMP,MRL B,T&R - Tape and Reel 制造商:Atmel Corporation 功能描述:IC MCU 32BIT 64KB FLASH 100LQFP 制造商:Atmel Corporation 功能描述:ARM Microcontrollers - MCU LQFP,GREEN,IND TEMP,MRL B |
| ATSAM3N1CB-CU | 功能描述:ARM微控制器 - MCU BGA, Grn, IT, MRL B 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 |
| ATSAM3N1CB-CUR | 制造商:Atmel Corporation 功能描述:. - BGA,GREEN,IND TEMP,MRL B,T&R - Tape and Reel 制造商:Atmel Corporation 功能描述:IC MCU 32BIT 64KB FLASH 100BGA |
| ATSAM3N2AA-AU | 功能描述:ARM微控制器 - MCU IND TEMP MRLA 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 |
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