Motorola DSP96002ADM, User Manual, Page: 26 / 48

2-12 DSP96002ADMUM/AD, Preliminary MOTOROLA
DSP96002ADM Technical Summary
Configuring the DSP96002ADM
Note: The SRAMs Jumper Groups are factory configured for 64 K words of Program
memory, 32 K words of X data memory, and 32 K words of Y data memory.
The PSR is not preset; the user must write the correct values to PSR to enable
this memory configuration.
Table 2-6 Port A/B User SRAM Decoder
OPTION JG18 / JG23 SRAM MEMORY BLOCK
1 1–2, 3–4, 5–6 $00000000–$1FFFFFFF
2 3–4, 5–6 $20000000–$3FFFFFFF
3 1–2, 5–6 $40000000–$5FFFFFFF
4 5–6 $80000000–$9FFFFFFF
5 No jumpers $E0000000–$FFFFFFFF
Table 2-7 Port A/B User SRAM Selection
Program
Memory X Data
Memory
Y Data
Memory
Jumpers for 64 K
×
4 SRAMs PSR
JG17 JG25 Bit 0 Bit 8 Bit 16
64 K 32 K 32 K 1–3, 7–9, 15–17 1–3, 7–9, 13–15 0 1 1
32 K 64 K 32 K 1–3, 7–9, 15–17 1–3, 7–9, 13–15 1 1 0
32 K 32 K 64 K 1–3, 7–9, 14–16 1–3, 7–9, 13–15 1 0 1
64 K 64 K 1–3, 7–9, 13–15 1–3, 7–9, 13–15 0 1 0/1
64 K 64 K 1–3, 7–9, 13–15 1–3, 7–9, 13–15 0/1 0 1
128 K 1–3, 7–9, 13–15 1–3, 7–9, 13–15 0 1 0/1