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AT91SAM7S256-AU-001 PDF预览

AT91SAM7S256-AU-001

更新时间: 2024-01-02 03:25:45
品牌 Logo 应用领域
爱特美尔 - ATMEL 微控制器
页数 文件大小 规格书
42页 505K
描述
AT91 ARM㈢ Thumb㈢-based Microcontrollers

AT91SAM7S256-AU-001 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:QFP
包装说明:GREEN, MS-026, LQFP-64针数:64
Reach Compliance Code:unknownECCN代码:3A001.A.3
HTS代码:8542.31.00.01风险等级:5.74
具有ADC:YES其他特性:ALSO REQUIRES 3.3V SUPPLY
地址总线宽度:位大小:32
CPU系列:ARM7最大时钟频率:50 MHz
DAC 通道:NODMA 通道:YES
外部数据总线宽度:JESD-30 代码:S-PQFP-G64
JESD-609代码:e3长度:10 mm
湿度敏感等级:3I/O 线路数量:32
端子数量:64最高工作温度:85 °C
最低工作温度:-40 °CPWM 通道:YES
封装主体材料:PLASTIC/EPOXY封装代码:LFQFP
封装等效代码:QFP64,.47SQ,20封装形状:SQUARE
封装形式:FLATPACK, LOW PROFILE, FINE PITCH峰值回流温度(摄氏度):260
电源:1.8,3.3 V认证状态:Not Qualified
RAM(字节):65536ROM(单词):262144
ROM可编程性:FLASH座面最大高度:1.6 mm
速度:55 MHz子类别:Microcontrollers
最大压摆率:3 mA最大供电电压:1.95 V
最小供电电压:1.65 V标称供电电压:1.8 V
表面贴装:YES技术:CMOS
温度等级:INDUSTRIAL端子面层:Matte Tin (Sn)
端子形式:GULL WING端子节距:0.5 mm
端子位置:QUAD处于峰值回流温度下的最长时间:40
宽度:10 mmuPs/uCs/外围集成电路类型:MICROCONTROLLER, RISC
Base Number Matches:1

AT91SAM7S256-AU-001 数据手册

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Features  
Incorporates the ARM7TDMI® ARM® Thumb® Processor  
– High-performance 32-bit RISC Architecture  
– High-density 16-bit Instruction Set  
– Leader in MIPS/Watt  
– Embedded*ICEIn-circuit Emulation, Debug Communication Channel Support  
Internal High-speed Flash  
– 256 kbytes, organized in 1024 Pages of 256 Bytes (AT91SAM7S256)  
– 128 kbytes, organized in 512 Pages of 256 Bytes (AT91SAM7S128)  
– 64 kbytes, organized in 512 Pages of 128 Bytes (AT91SAM7S64)  
– 32 kbytes, organized in 256 Pages of 128 Bytes (AT91SAM7S321/32)  
– 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  
AT91 ARM®  
Thumb®-based  
Microcontrollers  
– Fast Flash Programming Interface for High Volume Production  
Internal High-speed SRAM, Single-cycle Access at Maximum Speed  
– 64 kbytes (AT91SAM7S256)  
AT91SAM7S256  
AT91SAM7S128  
AT91SAM7S64  
AT91SAM7S321  
AT91SAM7S32  
– 32 kbytes (AT91SAM7S128)  
– 16 kbytes (AT91SAM7S64)  
– 8 kbytes (AT91SAM7S321/32)  
Memory Controller (MC)  
– Embedded Flash Controller, Abort Status and Misalignment Detection  
Reset Controller (RSTC)  
– Based on Power-on Reset and Low-power Factory-calibrated Brown-out 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)  
Summary  
– Software Power Optimization Capabilities, Including Slow Clock Mode (Down to  
500 Hz) and Idle Mode  
– Three Programmable External Clock Signals  
Advanced Interrupt Controller (AIC)  
– Individually Maskable, Eight-level Priority, Vectored Interrupt Sources  
– Two (AT91SAM7S256/128/64/321) or One (AT91SAM7S32) 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  
6175BS–ATARM–04-Nov-05  

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