參數(shù)資料
型號: TMS320UVC5409
廠商: Texas Instruments, Inc.
元件分類: 數(shù)字信號處理
英文描述: Fixed-Point Digital Signal Processor(定點(diǎn)DSP)
中文描述: 定點(diǎn)數(shù)字信號處理器(定點(diǎn)DSP)的
文件頁數(shù): 21/35頁
文件大?。?/td> 443K
代理商: TMS320UVC5409
TMS320UVC5409
FIXED-POINT DIGITAL SIGNAL PROCESSOR
SPRS102 – APRIL 1999
21
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
DMA memory map
The DMA memory map, as shown in Figure 7, allows DMA transfers to be unaffected by the status of the
MP/MC, DROM, and OVLY bits.
Program
Data
Program
FFFF
0021
0022
0060
002F
0030
0031
0032
Reserved
C000
017FFF
018000
0037
0038
0039
003A
003B
003C
XXFFFF
003F
0040
0041
FFFF
Hex
010000
Hex
0000
001F
0020
BFFF
External
01FFFF
XX0000
Hex
Program
Page 0
Page 5, 6, ...
Page n
External
DARAM
Internal
32K
Hex
0000
007F
0080
External
On-Chip
ROM
Reserved
DRR20
DRR10
DXR20
DXR10
0023
0024
0033
0034
0035
0036
0049
004A
004B
004C
7FFF
8000
005F
Reserved
DRR22
DRR12
DXR22
DXR12
Reserved
RCERA2
XCERA2
Reserved
DRR21
DRR11
DXR21
DXR11
Reserved
RCERA0
XCERA0
Reserved
Scratch-
Pad RAM
DARAM
External
0080
007F
0044
0043
0042
Reserved
RCERA1
XCERA1
Data
XX0000
Page 1, 2, ... 127
External
I/O
0000
External
Hex
Hex
XXFFFF
FFFF
Page 0, 1, ... 127
7FFF
8000
NOTE A: n = 1, 2, 3, or 4
Figure 7. TMS320UVC5409 DMA Memory Map
DMA priority level
Each DMA channel can be independently assigned high priority or low priority relative to each other. Multiple
DMA channels that are assigned to the same priority level are handled in a round-robin manner.
A
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