參數(shù)資料
型號(hào)： TMS320SP5410AGGU12
廠商： Texas Instruments, Inc.
元件分類： 數(shù)字信號(hào)處理
英文描述： Fixed-Point Digital Signal Processor
中文描述： 定點(diǎn)數(shù)字信號(hào)處理器
文件頁數(shù)： 20/100頁
文件大?。?/td> 913K
代理商： TMS320SP5410AGGU12
www.ti.com
3.1.7
Memory Map
Reserved
(OVLY = 1)
External
(OVLY = 0)
On-Chip
DARAM03
(OVLY = 1)
External
(OVLY = 0)
Page 0 Program
Hex
0000
Data
MP/MC= 0
(Microcomputer Mode)
MP/MC= 1
(Microprocessor Mode)
007F
0080
FFFF
Interrupts
(External)
FF80
Memory-Mapped
Registers
On-Chip
DARAM03
(32K x 16-bit)
On-Chip
DARAM47
(DROM=1)
or
External
(DROM=0)
0080
FFFF
FF7F
0060
007F
0000
Hex
External
Scratch-Pad
RAM
005F
On-Chip ROM
(4K x 16-bit)
Interrupts
(On-Chip)
7FFF
8000
Page 0 Program
Hex
0000
007F
0080
FFFF
Reserved
(OVLY = 1)
External
(OVLY = 0)
On-Chip
DARAM03
(OVLY = 1)
External
(OVLY = 0)
FF80
FF7F
External
7FFF
8000
BFFF
Reserved
FF00
FEFF
C000
8000
7FFF
TMS320VC5410A
Fixed-Point Digital Signal Processor
SPRS139G–NOVEMBER 2000–REVISED JANUARY 2005
If the
ROM-
only security option is selected the following restrictions apply:
Only the on-chip ROM-originating instructions can read the contents of the on-chip ROM. On-chip RAM
and external RAM-originating instruction cannot read data from ROM; instead, 0FFFFh is read. Code
can still branch to ROM from on-chip RAM or external program memory.
The contents of on-chip RAM can be read by all instructions, even by instructions fetched from external
memory. To protect the internal RAM the user must never branch to external memory.
The security feature completely disables the scan-based emulation capability of the 54x to prevent the
use of a debugger utility. This only affects emulation and does not prevent the use of the JTAG
boundary scan test capability.
The device can be started in either microcomputer mode or microprocessor mode at reset (depends on
the MP/MC pin).
HPI reads and writes have no restriction.
A.
Address ranges for on-chip DARAM in data memory are: DARAM0: 0080h-1FFFh; DARAM1: 2000h-3FFFh
DARAM2:
4000h-5FFFh;
DARAM4:
8000h-9FFFh;
DARAM6: C000h-DFFFh; DARAM7: E000h-FFFFh
DARAM3:
DARAM5:
6000h-7FFFh
A000h-BFFFh
Figure 3-2. Program and Data Memory Map
20
Functional Overview
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