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DSP56300FM/AD Datasheet(PDF) 1 Page - NXP Semiconductors |
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DSP56300FM/AD Datasheet(HTML) 1 Page - NXP Semiconductors |
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1 / 120 page  Technical Data DSP56305/D Rev. 4, 11/2002 24-Bit Digital Signal Processor Figure 1. DSP56305 Block Diagram YAB XAB PAB YDB XDB PDB GDB MODB/IRQB MODC/IRQC 15 MODD/IRQD DSP56300 6 51 24-Bit 24 24 DDB DAB Memory Expansion Area Peripheral Core Expansion Area 6 3 RESET MODA/IRQA PINIT/NMI 2 EXTAL XTAL Control Data Address Generation Unit Six Channel DMA Unit Program Interrupt Controller Program Decode Controller Program Address Generator Data ALU 24 × 24 + 56 → 56-bit MAC Two 56-bit Accumulators 56-bit Barrel Shifter Power Mngmnt External Bus Interface & I-Cache Control External Address Bus Switch 5 DE Timer Host ESSI SCI FCOP VCOP CCOP External Data Bus Switch Address Program 6.5 K × 24 ROM 6 K × 24 X Memory* RAM 3.75 K × 24 Y Memory RAM 2 K × 24 ROM 3 K × 24 JTAG OnCE™ PLL Clock Generator Internal Data Bus Switch RAM Memory* *default *default Motorola designed the DSP56305 to deliver the high performance required to support Global System for Mobile (GSM) communications applications that use digital signal processing to perform channel equalization, channel coding, and speech coding. By combining three dedicated on-chip hardware coprocessors (filter, Viterbi, and cyclic code) with a DSP56300 core, the DSP56305 performs all the complex signal processing required by a single radio frequency (RF) carrier in one chip, satisfying the demand for high integration cost effectively. The DSP56300 core includes an on-chip PLL, a Data ALU, an instruction cache, on-chip debugging modules, on-chip program and data memory, six DMA channels, and an external memory expansion port. In addition to the coprocessors, the DSP56305 provides two types of serial ports, a PCI/Universal bus 32-bit host interface, and timers (see Figure 1). The DSP56305 provides an industry-leading performance rate of 100 MIPS at 3.3 V. Freescale Semiconductor, Inc. For More Information On This Product, Go to: www.freescale.com |
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