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ADSP-2186NKCA-320 Datasheet(PDF) 9 Page - Analog Devices |
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ADSP-2186NKCA-320 Datasheet(HTML) 9 Page - Analog Devices |
9 / 48 page ADSP-218xN Rev. A | Page 9 of 48 | August 2006 MEMORY ARCHITECTURE The ADSP-218xN series provides a variety of memory and peripheral interface options. The key functional groups are Pro- gram Memory, Data Memory, Byte Memory, and I/O. Refer to Figure 4 through Figure 9, Table 4 on Page 11, and Table 5 on Page 11 for PM and DM memory allocations in the ADSP- 218xN series. Figure 4. ADSP-2184 Memory Architecture Figure 5. ADSP-2185 Memory Architecture Figure 6. ADSP-2186 Memory Architecture PROGRAM MEMORY PM OVERLAY 1,2 (EXTERNAL PM) INTERNAL PM PM OVERLAY 0 (RESERVED) RESERVED MODEB = 0 0x3FFF 0x2000 0x0000 0x0FFF 0x1000 0x1FFF 0x3FFF 0x2000 0x0000 0x3FE0 0x3FDF 0x3000 0x2FFF 0x1FFF DATA MEMORY DM OVERLAY 1,2 (EXTERNAL DM) INTERNAL DM 32 MEMORY-MAPPED CONTROL REGISTERS 4064 RESERVED WORDS DM OVERLAY 0 (RESERVED) PROGRAM MEMORY RESERVED EXTERNAL PM MODEB = 1 0x3FFF 0x2000 0x0000 0x1FFF PROGRAM MEMORY PM OVERLAY 1,2 (EXTERNAL PM) INTERNAL PM PM OVERLAY 0 (INTERNAL PM) MODEB = 0 0x3FFF 0x2000 0x0000 0x1FFF 0x3FFF 0x2000 0x0000 0x3FE0 0x3FDF 0x1FFF DATA MEMORY DM OVERLAY 1,2 (EXTERNAL DM) INTERNAL DM 32 MEMORY-MAPPED CONTROL REGISTERS DM OVERLAY 0 (INTERNAL DM) PROGRAM MEMORY RESERVED EXTERNAL PM MODEB = 1 0x3FFF 0x2000 0x0000 0x1FFF PROGRAM MEMORY PM OVERLAY 1,2 (EXTERNAL PM) INTERNAL PM PM OVERLAY 0 (RESERVED) MODEB = 0 0x3FFF 0x2000 0x0000 0x1FFF 0x3FFF 0x2000 0x0000 0x3FE0 0x3FDF 0x1FFF DATA MEMORY DM OVERLAY 1,2 (EXTERNAL DM) INTERNAL DM 32 MEMORY-MAPPED CONTROL REGISTERS DM OVERLAY 0 (RESERVED) PROGRAM MEMORY RESERVED EXTERNAL PM MODEB = 1 0x3FFF 0x2000 0x0000 0x1FFF |
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