参数资料
型号: ATSAM3SD8BA-MU
厂商: Atmel
文件页数: 17/57页
文件大小: 0K
描述: IC MCU 2X256KB CORTEX-M3 64-QFN
标准包装: 260
系列: SAM3S
核心处理器: ARM? Cortex?-M3
芯体尺寸: 32-位
速度: 64MHz
连通性: I²C,IrDA,MMC,SPI,SSC,UART/USART,USB
外围设备: 欠压检测/复位,DMA,I²S,POR,PWM,WDT
输入/输出数: 47
程序存储器容量: 512KB(512K x 8)
程序存储器类型: 闪存
RAM 容量: 64K x 8
电压 - 电源 (Vcc/Vdd): 1.62 V ~ 1.95 V
数据转换器: A/D 11x12b,D/A 2x12b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 64-VFQFN 裸露焊盘
包装: 托盘
24
11090BS–ATARM–22-Oct-13
SAM3S8/SD8 Summary
7.
Processor and Architecture
7.1
ARM Cortex-M3 Processor
Version 2.0
Thumb-2 (ISA) subset consisting of all base Thumb-2 instructions, 16-bit and 32-bit.
Harvard processor architecture enabling simultaneous instruction fetch with data load/store.
Three-stage pipeline.
Single cycle 32-bit multiply.
Hardware divide.
Thumb and Debug states.
Handler and Thread modes.
Low latency ISR entry and exit.
7.2
APB/AHB bridge
The SAM3S8/SD8 embeds One Peripheral bridge:
The peripherals of the bridge are clocked by MCK.
7.3
Matrix Masters
The Bus Matrix of the SAM3S8/SD8 manages 4 masters, which means that each master can
perform an access concurrently with others, to an available slave.
Each master has its own decoder, which is defined specifically for each master. In order to sim-
plify the addressing, all the masters have the same decodings.
7.4
Matrix Slaves
The Bus Matrix of the SAM3S8/SD8 manages 5 slaves. Each slave has its own arbiter, allowing
a different arbitration per slave.
Table 7-1.
List of Bus Matrix Masters
Master 0
Cortex-M3 Instruction/Data
Master 1
Cortex-M3 System
Master 2
Peripheral DMA Controller (PDC)
Master 3
CRC Calculation Unit
Table 7-2.
List of Bus Matrix Slaves
Slave 0
Internal SRAM
Slave 1
Internal ROM
Slave 2
Internal Flash
Slave 3
External Bus Interface
Slave 4
Peripheral Bridge
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ATSAM3SD8CA-AUR 制造商:Atmel Corporation 功能描述:LQFP,GREEN,IND TEMP,MRL A,T&R 制造商:Atmel Corporation 功能描述:LQFP,GREEN,IND TEMP,MRL A,T&R - Tape and Reel 制造商:Atmel Corporation 功能描述:IC MCU 32BIT 512KB FLASH 100LQFP 制造商:Atmel Corporation 功能描述:LQFP,Green,IND TEMP,MRL A
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