參數(shù)資料
型號(hào): ADSP-21262SKBCZ200
廠商: ANALOG DEVICES INC
元件分類: 數(shù)字信號(hào)處理
英文描述: SHARC Processor
中文描述: 16-BIT, 66.67 MHz, OTHER DSP, PBGA136
封裝: LEAD FREE, MO-205AE, BGA-136
文件頁(yè)數(shù): 7/44頁(yè)
文件大?。?/td> 1295K
代理商: ADSP-21262SKBCZ200
ADSP-21262
Rev. A
|
Page 7 of 44
|
May 2004
Figure 3. ADSP-21262 Memory Map
EXTERNAL MEMORY
SPACE
0x0020 0000
0x3FFF FFFF
ADDRESS
RESERVED
EXTERNAL DMA
ADDRESS SPACE1, 4
0x00FF FFFF
0x0100 0000
0x02FF FFFF
0x0300 0000
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
BLOCK 0 ROM (2 Mbit)
0x0006 4000 - 0x0007 7FFF
0x0008 0000
0x0005 8000
0x000B 0000
0x0004 4000 - 0x0005 7FFF
0x000C 0000
0x0008 8000 - 0x000A FFFF
0x0000 0000 - 0x0003 FFFF
0x0004 0000
ADDRESS
0
x
0011 0000 - 0x0015 FFFF
0
x
0016 0000
0x0018 FFFF
0
x
0019 0000 - 0x001D FFFF
0x001E 0000
IOP REGISTERS
BLOCK 0 SRAM (1Mbit)
INTERNAL MEMORY
SPACE
0
x
0010 0000
1EXTERNAL MEMORY IS NOT DIRECTLY ACCESSIBLE BY THE
CORE. DMA MUST BE USED TO READ OR WRITE TO THIS
MEMORY USING THE SPI OR PARALLEL PORT.
2BLOCK 0 ROM HAS A 48-BIT ADDRESS RANGE
(0x000A 0000 - 0x000A AAAA).
3BLOCK 1 ROM HAS A 48-BIT ADDRESS RANGE
(0x000E 0000 - 0x000E AAAA).
4USE THE EXTERNAL ADDRESSES LISTED HERE WITH THE
PARALLEL PORT DMA REGISTERS. THE PARALLEL PORT
GENERATES ADDRESS WITHIN THE
RANGE 0x0000 0000-0x00FF FFFF.
0x0006 0000
0
x
0018 0000
0x0010 FFFF
0x000C 7FFF
0x0004 3FFF
0x0006 3FFF
LONG WORD
ADDRESS
SPACE
NORMAL WORD
ADDRESS
SPACE
SHORT WORD
ADDRESS
SPACE
0x0008 7FFF
BLOCK 1 SRAM (1 Mbit)
BLOCK 0 SRAM (1 Mbit)
BLOCK 0 SRAM (1 Mbit)
BLOCK 1 SRAM (1 Mbit)
BLOCK 1 SRAM (1 Mbit)
RESERVED
BLOCK 1 ROM (2 Mbit)
BLOCK 0 ROM (2 Mbit)
2
RESERVED
BLOCK 1 ROM (2 Mbit)
3
BLOCK 0 ROM (2 Mbit)
BLOCK 1 ROM (2 Mbit)
0x0007 8000
0x000F 0000
0x0007 FFFF
0x0005 FFFF
0x000B FFFF
0x000F FFFF
0x000C 8000 - 0x000E FFFF
0x0017 FFFF
0x001F FFFF
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