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Section 3
Board Description
3.1
AT91SAM7SE
Microcontroller
? Incorporates the ARM7TDMI ? ARM ? Thumb ? Processor
– High-performance 32-bit RISC Architecture
– High-density 16-bit Instruction Set
– Leader in MIPS/Watt
– EmbeddedICE ? In-circuit Emulation, Debug Communication Channel Support
? Internal High-speed Flash
– 512 Kbytes, Organized in Two Contiguous Banks of 1024 Pages of 256 Bytes
Dual Plane (AT91SAM7SE512)
– 256 Kbytes (AT91SAM7SE256) Organized in One Bank of 1024 Pages of 256
Bytes Single Plane (AT91SAM7SE256)
– 32 Kbytes (AT91SAM7SE32) Organized in One Bank of 256 Pages of 128 Bytes
Single Plane (AT91SAM7SE32)
– Single Cycle Access at Up to 30 MHz in Worst Case Conditions
– Prefetch Buffer Optimizing Thumb Instruction Execution at Maximum Speed
– Page Programming Time: 6 ms, Including Page Auto-erase, Full Erase Time: 15
ms
– 10,000 Erase Cycles, 10-year Data Retention Capability, Sector Lock Capabilities,
Flash Security Bit
– Fast Flash Programming Interface for High Volume Production
? 32 Kbytes (AT91SAM7SE512/256) or 8 Kbytes (AT91SAM7SE32) of Internal
High-speed SRAM, Single-cycle Access at Maximum Speed
? One External Bus Interface (EBI)
– Supports SDRAM, Static Memory, Glueless Connection to CompactFlash ? and
ECC-enabled NANDFlash
? Memory Controller (MC)
– Embedded Flash Controller
– Memory Protection Unit
– Abort Status and Misalignment Detection
? Reset Controller (RSTC)
– Based on Power-on Reset Cells and Low-power Factory-calibrated Brownout
Detector
– Provides External Reset Signal Shaping and Reset Source Status
? Clock Generator (CKGR)
– Low-power RC Oscillator, 3 to 20 MHz On-chip Oscillator and One PLL
? Power Management Controller (PMC)
AT91SAM7SE-EK Evaluation Board User Guide
3-1
6241B–ATARM–22-Mar-07
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AT91SAM7X128-AU 功能描述:ARM微控制器 - MCU 128kB Flash 32kB SRAM 55MHz 4 PWM 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
AT91SAM7X128-AU-999 功能描述:ARM微控制器 - MCU Green, Ind Temp 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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AT91SAM7X128B-AU-999 功能描述:ARM微控制器 - MCU 128kB Flash 32kB SRAM 55MHz 4 PWM 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
AT91SAM7X128B-CU 功能描述:ARM微控制器 - MCU 128kB Flash 32kB SRAM 55MHz 4 PWM 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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