参数资料
型号: TMS320C542PGE-40
厂商: TEXAS INSTRUMENTS INC
元件分类: 数字信号处理
英文描述: 16-BIT, 100 MHz, OTHER DSP, PQFP144
封装: PLASTIC, QFP-144
文件页数: 30/111页
文件大小: 1467K
代理商: TMS320C542PGE-40
TMS320C54x, TMS320LC54x, TMS320VC54x
FIXED-POINT DIGITAL SIGNAL PROCESSORS
SPRS039C – FEBRUARY 1996 – REVISED DECEMBER 1999
25
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
memory (continued)
Program
Hex
Data
External
Program
On-Chip DARAM
(OVLY = 1)
or
External (OVLY = 0)
External
MP / MC = 0
(Microcomputer Mode)
MP / MC = 1
(Microprocessor Mode)
0000
007F
0080
7FFF
8000
005F
0060
Reserved
(OVLY = 1)
or
External (OVLY = 0)
On-Chip ROM
(16K Words)
Interrupts and
Reserved
(On-Chip)
Scratch-Pad RAM
BFFF
C000
FFFF
FF00
Hex
0000
FEFF
On-Chip SARAM
(OVLY = 1)
or
External (OVLY = 0)
1FFF
2000
On-Chip DARAM
(OVLY = 1)
or
External (OVLY = 0)
007F
0080
7FFF
8000
Reserved
(OVLY = 1)
or
External (OVLY = 0)
On-Chip SARAM
(OVLY = 1)
or
External (OVLY = 0)
1FFF
2000
Interrupts and
Reserved
(External)
FFFF
FF80
FF7F
External
FFFF
Hex
0000
On-Chip DARAM
(8K Words)
007F
0080
7FFF
8000
Memory-Mapped
Registers
On-Chip SARAM
(24K Words)
1FFF
2000
On-Chip ROM (DROM = 1)
or
External (DROM = 0)
Reserved (DROM = 1)
or
External (DROM = 0)
BFFF
C000
FF00
FEFF
Figure 5. Memory Map (’549 only)
Page 0
32K
Words
xx 0000
xx 7FFF
Page 1
32K
Words
01 0000
01 FFFF
Page 2
32K
Words
02 0000
02 FFFF
Page 127
32K
Words
7F 0000
7F FFFF
Page 0
32K
Words
00 8000
00 FFFF
Page 1
32K
Words
01 8000
01 FFFF
Page 2
32K
Words
02 8000
02 FFFF
Page 127
32K
Words
7F 8000
7F FFFF
XPC = 0
XPC = 1
XPC = 2
XPC = 127
See Figure 4 and Figure 5 for more information about this on-chip memory region.
These pages available when OVLY = 0 when on-chip RAM is not mapped in program space or data space. When OVLY = 1 the first 32K words
are all on page 0 when on-chip RAM is mapped in program space or data space.
NOTE A: When the on-chip RAM is enabled in program space, all accesses to the region xx 0000 – xx 7FFF, regardless of page number, are
mapped to the on-chip RAM at 00 0000 – 00 7FFF.
Figure 6. Extended Program Memory (’548 and ’549 only)
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