參數(shù)資料
型號(hào)： AT91SAM7X256
廠商： Atmel Corp.
英文描述： AT91 ARM Thumb-based Microcontrollers
中文描述： AT91上ARM的拇指型微控制器
文件頁(yè)數(shù)： 1/44頁(yè)
文件大小： 432K
代理商： AT91SAM7X256
www.DataSheet4U.com
NOTE:
This is a summary document.
The complete document is available on
the Atmel website at www.atmel.com.
Features
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 (AT91SAM7X512) Organized in Two Banks of 1024 Pages of
256 Bytes (Dual Plane)
– 256 Kbytes (AT91SAM7X256) Organized in 1024 Pages of 256 Bytes (Single Plane)
– 128 Kbytes (AT91SAM7X128) Organized in 512 Pages of 256 Bytes (Single Plane)
– 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 Write Cycles, 10-year Data Retention Capability,
Sector Lock Capabilities, Flash Security Bit
– Fast Flash Programming Interface for High Volume Production
Internal High-speed SRAM, Single-cycle Access at Maximum Speed
– 128 Kbytes (AT91SAM7X512)
– 64 Kbytes (AT91SAM7X256)
– 32 Kbytes (AT91SAM7X128)
Memory Controller (MC)
– Embedded Flash Controller, 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)
– Power Optimization Capabilities, Including Slow Clock Mode (Down to 500 Hz) and
Idle Mode
– Four Programmable External Clock Signals
Advanced Interrupt Controller (AIC)
– Individually Maskable, Eight-level Priority, Vectored Interrupt Sources
– Two External Interrupt Sources and One Fast Interrupt Source, Spurious Interrupt
Protected
Debug Unit (DBGU)
– 2-wire UART and Support for Debug Communication Channel interrupt,
Programmable ICE Access Prevention
Periodic Interval Timer (PIT)
– 20-bit Programmable Counter plus 12-bit Interval Counter
Windowed Watchdog (WDT)
– 12-bit key-protected Programmable Counter
– Provides Reset or Interrupt Signals to the System
– Counter May Be Stopped While the Processor is in Debug State or in Idle Mode
Real-time Timer (RTT)
– 32-bit Free-running Counter with Alarm
– Runs Off the Internal RC Oscillator
AT91 ARM
Thumb-based
Microcontrollers
AT91SAM7X512
AT91SAM7X256
AT91SAM7X128
Summary
Preliminary
6120DS–ATARM–03-Oct-06
相關(guān)PDF資料
PDF描述
AT91SAM7X256-AU AT91 ARM Thumb-based Microcontrollers
AT91SAM7X256-CU AT91 ARM Thumb-based Microcontrollers
AT91SAM7X512 AT91 ARM Thumb-based Microcontrollers
AT91SAM7X512-AU AT91 ARM Thumb-based Microcontrollers
AT91SAM7X512-CU AT91 ARM Thumb-based Microcontrollers
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AT91SAM7X256-AU 功能描述:ARM微控制器 - MCU 256kB Flash 64kB SRAM 55MHz 4 PWM RoHS:否 制造商:STMicroelectronics 核心:ARM Cortex M4F 處理器系列:STM32F373xx 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:72 MHz 程序存儲(chǔ)器大小:256 KB 數(shù)據(jù) RAM 大小:32 KB 片上 ADC:Yes 工作電源電壓:1.65 V to 3.6 V, 2 V to 3.6 V, 2.2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:LQFP-48 安裝風(fēng)格:SMD/SMT
AT91SAM7X256-AU-001 制造商:Atmel Corporation 功能描述:ATLAT91SAM7X256-AU-001 32B ARM RISC PROC
AT91SAM7X256-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 處理器系列:STM32F373xx 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:72 MHz 程序存儲(chǔ)器大小:256 KB 數(shù)據(jù) RAM 大小:32 KB 片上 ADC:Yes 工作電源電壓:1.65 V to 3.6 V, 2 V to 3.6 V, 2.2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:LQFP-48 安裝風(fēng)格:SMD/SMT
AT91SAM7X256B-AU 功能描述:ARM微控制器 - MCU IND TEMP MRL B RoHS:否 制造商:STMicroelectronics 核心:ARM Cortex M4F 處理器系列:STM32F373xx 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:72 MHz 程序存儲(chǔ)器大小:256 KB 數(shù)據(jù) RAM 大小:32 KB 片上 ADC:Yes 工作電源電壓:1.65 V to 3.6 V, 2 V to 3.6 V, 2.2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:LQFP-48 安裝風(fēng)格:SMD/SMT
AT91SAM7X256B-AU SL383 制造商:Atmel Corporation 功能描述:. - LQFP,GREEN,IND TEMP, MRL B
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