Memories The eight ETM9 Medium+ memory map decoder inp" />
參數(shù)資料
型號(hào): AT91SAM9261-CJ
廠商: Atmel
文件頁(yè)數(shù): 14/44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
配用: AT91SAM9261-EK-ND - KIT EVAL FOR AT91SAM926EJ-S
AT91SAM-ICE-ND - EMULATOR FOR AT91 ARM7/ARM9
其它名稱: AT91SAM9261B-CJ
AT91SAM9261B-CJ-ND
21
6062LS–ATARM–23-Mar-09
AT91SAM9261
8.1.3
ETM
Memories
The eight ETM9 Medium+ memory map decoder inputs are connected to custom address
decoders and the resulting memory mapping is summarized in Table 8-6.
8.2
External Memories
The external memories are accessed through the External Bus Interface (Bus Matrix Slave 3).
Refer to the memory map in Figure 8-1 on page 16.
Table 8-6.
ETM9 Memory Mapping
Product Resource
Area
Access Type
Start Address
End Address
SRAM
Internal
Data
0x0000 0000
0x002F FFFF
SRAM
Internal
Fetch
0x0000 0000
0x002F FFFF
ROM
Internal
Data
0x0040 0000
0x004F FFFF
ROM
Internal
Fetch
0x0040 0000
0x004F FFFF
External Bus Interface
External
Data
0x1000 0000
0x8FFF FFFF
External Bus Interface
External
Fetch
0x1000 0000
0x8FFF FFFF
User Peripherals
Internal
Data
0xF000 0000
0xFFFF BFFF
System Peripherals
Internal
Data
0xFFFF C000
0xFFFF FFFF
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