Data Memory Configuration; Table 2-5 Data Memory Configuration - Motorola DSP56824ADM User Manual

DSP56824ADM Technical Summary
Jumper Configuration
Example 2-2 shows the code that implements a recall from the flash to the SRAM.
org
move
nop
move
move
nop
move
move
nop
move
move
nop
move
move
nop
move
move
nop
move
debug
2.6.5

Data Memory Configuration

Jumper group JG4 is used to select one of two DSP external data memory options. The
default setting is JG4 1–2 and 3–4. Data memory is setup from P:0000–$FFFF. See
Table 2-5 for JG4 data memory configuration.
Configuration
0 (default)
1
2
Note: The DSP56824ADM is factory configured for data memory in the range
X:0000–$FFFF.
2-12
Example 2-2 Flash Recall to SRAM Code
p:0
#$8e38,r0
p:(r0)+,x0
#$b1c7,r0
p:(r0)+,x0
#$83e0,r0
p:(r0)+,x0
#$bc1f,r0
p:(r0)+,x0
#$b03f,r0
p:(r0)+,x0
#$8c63,r0
p:(r0)+,x0

Table 2-5 Data Memory Configuration

JG4
1–2, 3–4 X:0000–$FFFF, zero wait states
5–6 X:0000–$7FFF, one wait state
X:8000–$FFFF User expanded memory
1–2 X:0000–$7FFF, zero wait states
X:$8000–$FFFF Shadow of X:0000–$7FFF
DSP56824ADM User's Manual
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