SMJ320C25GBM Datasheet, PDF (7/38 Pages) Texas Instruments – DIGITAL SIGNAL PROCESSOR

memory control (continued)
SMJ320C25, SMJ320C25Ć50
DIGITAL SIGNAL PROCESSOR
SGUS007D – AUGUST 1988 – REVISED OCTOBER 2001
0(0000h)
31(001Fh )
32(0020h )
Program
Interrupts
and Reserved
(External)
External
0(0000h)
31(001Fh )
32(0020h )
4015(0FAFh)
4016(0FB0h)
4095(0FFFh)
4096(1000h)
Program
Interrupts
and Reserved
(On-Chip
ROM/EPROM)
On-Chip
ROM/EPROM
Reserved
External
0(0000h)
5(0005h)
6(0006h)
95(005Fh )
96(0060h )
127(007Fh)
128(0080h)
511(01FFh)
512(0200h)
767(02FFh)
768(0300h)
1023(03FFh)
1024(0400h)
Data
On-Chip
Memory-Mapped
Registers
Reserved
On-Chip
Block B2
Reserved
On-Chip
Block B0
On-Chip
Block B1
Page 0
Pages 1-3
Pages 4-5
Pages 6 -7
External
Pages 8 -511
65,535(FFFFh)
If MP/MC = 1
(Microprocessor Mode)
65,535(0FFFFh)
If MP/MC = 0
(Microcomputer Mode)
65,535(0FFFFh)
(a) Memory Maps After a CNFD Instruction
0(0000h)
31(001Fh )
32(0020h )
Program
Interrupts
and Reserved
(External)
External
65,279(0FEFFh)
65,280(0FF00h)
65,535(0FFFFh)
On-Chip
Block B0
If MP/MC = 1
(Microprocessor Mode)
0(0000h)
31(001Fh )
32(0020h )
4015(0FAFh)
4016(0FB0h)
4095(0FFFh)
4096(1000h)
Program
Interrupts
and Reserved
(On-Chip
ROM/EPROM)
On-Chip
ROM/EPROM
Reserved
External
0(0000h)
5(0005h)
6(0006h)
95(005Fh )
96(0060h )
127(007Fh)
128(0080h)
511(01FFh)
512(0200h)
767(02FFh)
768(0300h)
1023(03FFh)
1024(0400h)
Data
On-Chip
Memory-Mapped
Registers
Reserved
On-Chip
Block B2
Reserved
Does Not
Exist
On-Chip
Block B1
65,279(0FEFFh)
65,280(0FF00h)
65,535(0FFFFh)
On-Chip
Block B0
65,535(0FFFFh)
If MP/MC = 0
(Microcomputer Mode)
(b) Memory Maps After a CNFP Instruction
Figure 1. Memory Maps
External
Page 0
Pages 1-3
Pages 4-5
Pages 6 -7
Pages 8 -511
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