Motorola DSP56303 User Manual page 66

Memory Maps
Program
$FFFF
External
$0400
Internal
Program
RAM 1 K
$0000
Bit Settings
SC MS CE
1 1 1
Figure 3-8. 16-bit Space, Switched Program RAM, Instruction Cache Enabled
3-14
$FFFF
Internal I/O
$FF80
$0C00
X data RAM
$0000
Program RAM X Data RAM
1 K 3 K
$000–$3FF $000–$BFF
DSP56303 User's Manual
X Data
$FFFF
$FF80
External
$0C00
Internal
3 K
$0000
Memory Configuration
Y Data RAM
3 K
$000–$BFF
(1, 1, 1)
Y Data
External I/O
External
Internal
Y data RAM
3 K
Addressable
Cache
Memory Size
1 K 64 K
internal not
accessible