參數(shù)資料
型號(hào)： AT91SAM9261-CJ
廠(chǎng)商： Atmel
文件頁(yè)數(shù)： 9/44頁(yè)
文件大?。?/td> 0K
描述： IC ARM9 MPU 217BGA
標(biāo)準(zhǔn)包裝： 126
系列： AT91SAM
核心處理器： ARM9
芯體尺寸： 16/32-位
速度： 190MHz
連通性： EBI/EMI，I²C，MMC，SPI，SSC，UART/USART，USB
外圍設(shè)備： DMA，LCD，POR，PWM，WDT
輸入/輸出數(shù)： 96
程序存儲(chǔ)器容量： 32KB（32K x 8）
程序存儲(chǔ)器類(lèi)型： ROM
RAM 容量： 192K x 8
電壓 - 電源 (Vcc/Vdd)： 1.08 V ~ 1.32 V
振蕩器型： 內(nèi)部
工作溫度： -40°C ~ 85°C
封裝/外殼： 217-LFBGA
包裝： 托盤(pán)
配用： AT91SAM9261-EK-ND - KIT EVAL FOR AT91SAM926EJ-S
AT91SAM-ICE-ND - EMULATOR FOR AT91 ARM7/ARM9
其它名稱(chēng)： AT91SAM9261B-CJ
AT91SAM9261B-CJ-ND
17
6062LS–ATARM–23-Mar-09
AT91SAM9261
A first level of address decoding is performed by the Bus Matrix, i.e., the implementation of the
Advanced High performance Bus (AHB) for its Master and Slave interfaces with additional
features.
Decoding breaks up the 4 Gbytes of address space into 16 areas of 256 Mbytes. The areas 1 to
8 are directed to the EBI that associates these areas to the external chip selects NCS0 to NCS7.
The area 0 is reserved for the addressing of the internal memories, and a second level of decod-
ing provides 1 Mbyte of internal memory area. The area 15 is reserved for the peripherals and
provides access to the Advanced Peripheral Bus (APB).
Other areas are unused and performing an access within them provides an abort to the master
requesting such an access.
The Bus Matrix manages five Masters and five Slaves.
Each Master has its own bus and its own decoder, thus allowing a different memory mapping
per Master.
Regarding Master 0 and Master 1 (ARM926
Instruction and Data), three different Slaves are
assigned to the memory space decoded at address 0x0: one for internal boot, one for external
boot, one after remap. Refer to Table 8-3 for details.
Each Slave has its own arbiter, thus allowing a different arbitration per Slave.
8.1
Embedded Memories
32 KB ROM
– Single Cycle Access at full bus speed
160 KB Fast SRAM
– Single Cycle Access at full bus speed
– Supports ARM926EJ-S TCM interface at full processor speed
Table 8-1.
List of Bus Matrix Masters
Master 0
ARM926 Instruction
Master 1
ARM926 Data
Master 2
PDC
Master 3
LCD Controller
Master 4
USB Host
Table 8-2.
List of Bus Matrix Slaves
Slave 0
Internal SRAM
Slave 1
Internal ROM
Slave 2
LCD Controller and USB Host Port Interfaces
Slave 3
External Bus Interface
Slave 4
Internal Peripherals
相關(guān)PDF資料
PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AT91SAM9261-CJ-999 功能描述:ARM微控制器 - MCU BGA 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(xiàn)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
AT91SAM9261-EK 功能描述:開(kāi)發(fā)板和工具包 - ARM Supports AT91SAM9261 ARM926EJS dev & eval RoHS:否 制造商:Arduino 產(chǎn)品:Development Boards 工具用于評(píng)估:ATSAM3X8EA-AU 核心:ARM Cortex M3 接口類(lèi)型:DAC, ICSP, JTAG, UART, USB 工作電源電壓:3.3 V
AT91SAM9261S 制造商:ATMEL 制造商全稱(chēng):ATMEL Corporation 功能描述:AT91 ARM Thumb-based Microcontrollers
AT91SAM9261S_09 制造商:ATMEL 制造商全稱(chēng):ATMEL Corporation 功能描述:AT91 ARM Thumb-based Microcontrollers
AT91SAM9261SB-CU 功能描述:ARM微控制器 - MCU 32-bit RoHS:否 制造商:STMicroelectronics 核心:ARM Cortex M4F 處理器系列:STM32F373xx 數(shù)據(jù)總線(xiàn)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
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