07
page 9
AVR UC3 FLASH MICROCONTROLLERS
Everywhere You Are ?
Security
The 32-bit AVR UC3L provides mechanisms to protect
the system from hacker modification,
flash software theft and runaway code.
Secure CPU State
CPU resources and sections of code/data memory can be reserved for proprietary
software IP or critical sections of code/data. A special API is used to access
these resources from the rest of the code. Attempts to access these resources
by circumventing this API (either by hacking or runaway code) will be aborted
and result in an exception.
Memory Protection Unit (MPU)
A MPU restricts access to selected peripherals and memory regions so
they can only be accessed in a controllable way.
Secure Access Unit (SAU)
A SAU allows the user to set-up tunnels through regions pro-
tected by the MPU, allowing unrestricted access to specified
peripheral registers, reducing code size, and increasing ex-
ecution speed.
Peripheral Event System
By removing interrupt-driven data transfer
and replacing it with an event-triggered
data transfer, the innovative Peripheral
Event System in 32-bit AVR UC3 repre-
sents a paradigm shift. The Peripheral
Event System allows the 32-bit AVR UC3
to send signals (events) directly to other
peripherals without involving the CPU. This
ensures short and predictable response
time, and at the same time it offloads the
CPU and reduces power consumption.
CPU
CPU
Peripheral Event System
ADC
DAC
Analog
Comparator
Peripheral
DMA
Timer/
Counter0
Timer/
Counter1
PWM
ADC
DAC
Analog
Comparator
Peripheral
DMA
Timer/
Counter0
Timer/
Counter1
PWM
0
1
2
3
64 channels
64
Without Peripheral Event System all Peripheral Requests
need to be handled by the CPU.
With Peripheral Event System peripherals can send
signals (events) to other peripherals.
相关PDF资料
AT34C02B-10TU-1.7 IC EEPROM 2KBIT 400KHZ 8TSSOP
AT34C02C-TH-T IC EEPROM 2KBIT 400KHZ 8TSSOP
AT45CS1282-TC IC FLASH 128MBIT 50MHZ 40TSOP
AT45DB011B-XI IC FLASH 1MBIT 20MHZ 14TSSOP
AT45DB021B-TI IC FLASH 2MBIT 20MHZ 28TSOP
AT45DB041B-TI IC FLASH 4MBIT 20MHZ 28TSOP
AT45DB081B-TI IC FLASH 8MBIT 20MHZ 28TSOP
AT45DB161B-TI IC FLASH 16MBIT 20MHZ 28TSOP
相关代理商/技术参数
AT32UC3D1128-AUR 功能描述:32位微控制器 - MCU 128KB Flash RoHS:否 制造商:Texas Instruments 核心:C28x 处理器系列:TMS320F28x 数据总线宽度:32 bit 最大时钟频率:90 MHz 程序存储器大小:64 KB 数据 RAM 大小:26 KB 片上 ADC:Yes 工作电源电压:2.97 V to 3.63 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:LQFP-80 安装风格:SMD/SMT
AT32UC3D1128-AUT 功能描述:32位微控制器 - MCU 128KB Flash RoHS:否 制造商:Texas Instruments 核心:C28x 处理器系列:TMS320F28x 数据总线宽度:32 bit 最大时钟频率:90 MHz 程序存储器大小:64 KB 数据 RAM 大小:26 KB 片上 ADC:Yes 工作电源电压:2.97 V to 3.63 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:LQFP-80 安装风格:SMD/SMT
AT32UC3D1256-Z1UT 功能描述:32位微控制器 - MCU 256KB Flash RoHS:否 制造商:Texas Instruments 核心:C28x 处理器系列:TMS320F28x 数据总线宽度:32 bit 最大时钟频率:90 MHz 程序存储器大小:64 KB 数据 RAM 大小:26 KB 片上 ADC:Yes 工作电源电压:2.97 V to 3.63 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:LQFP-80 安装风格:SMD/SMT
AT32UC3L0128-AUR 功能描述:32位微控制器 - MCU UC3L-128KB FL 85C RoHS:否 制造商:Texas Instruments 核心:C28x 处理器系列:TMS320F28x 数据总线宽度:32 bit 最大时钟频率:90 MHz 程序存储器大小:64 KB 数据 RAM 大小:26 KB 片上 ADC:Yes 工作电源电压:2.97 V to 3.63 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:LQFP-80 安装风格:SMD/SMT
AT32UC3L0128-AUT 功能描述:32位微控制器 - MCU UC3L-128KB FL 85C RoHS:否 制造商:Texas Instruments 核心:C28x 处理器系列:TMS320F28x 数据总线宽度:32 bit 最大时钟频率:90 MHz 程序存储器大小:64 KB 数据 RAM 大小:26 KB 片上 ADC:Yes 工作电源电压:2.97 V to 3.63 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:LQFP-80 安装风格:SMD/SMT
AT32UC3L0128-D3HR 功能描述:32位微控制器 - MCU UC3L-128KB FL 85C RoHS:否 制造商:Texas Instruments 核心:C28x 处理器系列:TMS320F28x 数据总线宽度:32 bit 最大时钟频率:90 MHz 程序存储器大小:64 KB 数据 RAM 大小:26 KB 片上 ADC:Yes 工作电源电压:2.97 V to 3.63 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:LQFP-80 安装风格:SMD/SMT
AT32UC3L0128-D3HT 功能描述:32位微控制器 - MCU UC3L-128KB FL 85C RoHS:否 制造商:Texas Instruments 核心:C28x 处理器系列:TMS320F28x 数据总线宽度:32 bit 最大时钟频率:90 MHz 程序存储器大小:64 KB 数据 RAM 大小:26 KB 片上 ADC:Yes 工作电源电压:2.97 V to 3.63 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:LQFP-80 安装风格:SMD/SMT
AT32UC3L0128-ZAUR 功能描述:32位微控制器 - MCU UC3L-128KB FL 85C RoHS:否 制造商:Texas Instruments 核心:C28x 处理器系列:TMS320F28x 数据总线宽度:32 bit 最大时钟频率:90 MHz 程序存储器大小:64 KB 数据 RAM 大小:26 KB 片上 ADC:Yes 工作电源电压:2.97 V to 3.63 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:LQFP-80 安装风格:SMD/SMT