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DSP56321RM/D 数据表(PDF) 4 Page - NXP Semiconductors |
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DSP56321RM/D 数据表(HTML) 4 Page - NXP Semiconductors |
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4 / 88 page  iv On-Chip Memories •192 × 24-bit bootstrap ROM • 192 K RAM total • Program RAM, Instruction Cache, X data RAM, and Y data RAM sizes are programmable: Off-Chip Memory Expansion • Data memory expansion to two 256 K × 24-bit word memory spaces using the standard external address lines • Program memory expansion to one 256 K × 24-bit words memory space using the standard external address lines • External memory expansion port • Chip Select Logic for glueless interface to static random access memory (SRAMs) Reduced Power Dissipation • Very low-power CMOS design • Wait and Stop low-power standby modes • Fully static design specified to operate down to 0 Hz (dc) • Optimized power management circuitry (instruction-dependent, peripheral-dependent, and mode-dependent) Packaging The DSP56321T is available in a 196-pin flip-chip plastic ball grid array (FC-PBGA) package. Program RAM Size Instruction Cache Size X Data RAM Size* Y Data RAM Size* Instruction Cache MSW2 MSW1 MSW0 32 K × 24-bit 0 80 K × 24-bit 80 K × 24-bit disabled 0 0 0 31 K × 24-bit 1024 × 24-bit 80 K × 24-bit 80 K × 24-bit enabled 0 0 0 40 K × 24-bit 0 76 K × 24-bit 76 K × 24-bit disabled 0 0 1 39 K × 24-bit 1024 × 24-bit 76 K × 24-bit 76 K × 24-bit enabled 0 0 1 48 K × 24-bit 0 72 K × 24-bit 72 K × 24-bit disabled 0 1 0 47 K × 24-bit 1024 × 24-bit 72 K × 24-bit 72 K × 24-bit enabled 0 1 0 64 K × 24-bit 0 64 K × 24-bit 64 K × 24-bit disabled 0 1 1 63 K × 24-bit 1024 × 24-bit 64 K × 24-bit 64 K × 24-bit enabled 0 1 1 72 K × 24-bit 0 60 K × 24-bit 60 K × 24-bit disabled 1 0 0 71 K × 24-bit 1024 × 24-bit 60 K × 24-bit 60 K × 24-bit enabled 1 0 0 80 K × 24-bit 0 56 K × 24-bit 56 K × 24-bit disabled 1 0 1 79 K × 24-bit 1024 × 24-bit 56 K × 24-bit 56 K × 24-bit enabled 1 0 1 96 K × 24-bit 0 48 K × 24-bit 48 K × 24-bit disabled 1 1 0 95 K × 24-bit 1024 × 24-bit 48 K × 24-bit 48 K × 24-bit enabled 1 1 0 112 K × 24-bit 0 40 K × 24-bit 40 K × 24-bit disabled 1 1 1 111 K × 24-bit 1024 × 24-bit 40 K × 24-bit 40 K × 24-bit enabled 1 1 1 *Includes 12 K × 24-bit shared memory (that is, 24 K total memory shared by the core and the EFCOP) Freescale Semiconductor, Inc. For More Information On This Product, Go to: www.freescale.com |
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