DSP56309EVM Freescale Semiconductor, DSP56309EVM Datasheet - Page 50

• Manufacturer Part Number: DSP56309EVM
• Description: KIT EVALUATION FOR XC56309
• Manufacturer: Freescale Semiconductor
• Type: DSPr

Specifications of DSP56309EVM

• Contents: Module Board, Installation Guide, Power Supply, Cable, Software and more
• Description/function: Audio DSPs
• Product: Audio Modules
• For Use With/related Products: DSP56309
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Memory Configuration
3.6 RAM Configuration Summary
The RAM configurations for the DSP56309 are listed in Table 3-1.
The actual memory locations for Program RAM and the Instruction Cache in the Program
memory space are determined by the MS and CE bits, and their addresses are given in Table 3-2.
3.7 Memory Maps
The following figures describe each of the memory space and RAM configurations defined by
the settings of the SC, MS, and CE bits. The figures show the configuration and the table
describes the bit settings, memory sizes, and memory locations.
3-6
MS
0
0
1
1
MS
0
0
1
1
Bit Settings
Table 3-2. DSP56309 RAM Address Ranges by Configuration
CE
0
1
0
1
CE
0
1
0
1
Program RAM Location
Table 3-1. DSP56309 RAM Configurations
$0000–$4FFF
$0000–$4BFF
$0000–$5FFF
$0000–$5BFF
Program RAM
DSP56309 User’s Manual, Rev. 1
20
19
24
23
$4C00–$4FFF (internal location not accessible; address range
assigned to external Program Memory)
N/A
$5C00–$5FFF (internal location not accessible; addressed
assigned to external Program Memory)
X data RAM
7
7
5
5
Memory Sizes (in K)
Cache Location
Y data RAM
N/A
7
7
5
5
Freescale Semiconductor
Cache
0
1
0
1