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DSP56362 Datasheet

  • DSP56362

  • 24-Bit Audio Digital Signal Processor

  • 168頁

  • MOTOROLA   MOTOROLA

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Freescale Semiconductor, Inc.
Technical Data
DSP56362/D
Rev. 3, 02/2004
24-Bit Audio Digital
Signal Processor
Freescale Semiconductor, Inc...
Motorola designed the DSP56362 to support digital audio applications requiring digital audio compression
and decompression, sound field processing, acoustic equalization, and other digital audio algorithms. The
DSP56362 uses the high performance, single-clock-per-cycle DSP56300 core family of programmable
CMOS digital signal processors (DSPs) combined with the audio signal processing capability of the
Motorola Symphony鈩?DSP family, as shown in
Figure 1.
This design provides a two-fold performance
increase over Motorola鈥檚 popular Symphony family of DSPs while retaining code compatibility. Significant
architectural enhancements include a barrel shifter, 24-bit addressing, instruction cache, and direct
memory access (DMA). The DSP56362 offers 100 million instructions per second (MIPS) using an internal
100 MHz clock at 3.3 V.
2
16
12
5
Program RAM/
X Data
Instruction
RAM
Y Data
Cache
5632
24
RAM
3072
24
ROM
5632
24
Program ROM
6144
24
ROM
30K
24
6144
24
Bootstrap ROM
192
24
Triple
Timer
DAX
(SPDIF)
Host
Interface
ESAI
SHI
Memory
Expansion
Area
PIO_EB
PM_EB
XM_EB
Address
Generation
Unit
Six Channel
DMA Unit
YAB
XAB
PAB
DAB
YM_EB
Peripheral
Expansion Area
External
Address
Bus
Switch
18
Address
24-Bit
DSP56300
Core
DDB
YDB
XDB
PDB
GDB
DRAM/SRAM
Bus
11
Interface
&
I - Cache Control
Control
Internal
Data
Bus
Switch
EXTAL
External
Data Bus
Switch
24
Data
Clock
Generator
PLL
Program
Interrupt
Controller
Program
Decode
Controller
MODA/IRQA
MODB/IRQB
MODC/IRQC
MODD/IRQD
Program
Address
Generator
CLKOUT
Data ALU
24
24 + 56
鈫?/div>
56-bit MAC
Two 56-bit Accumulators
56-bit Barrel Shifter
Power
Mngmnt.
6
JTAG
OnCE
RESET
PINIT/NMI
AA0456G
Figure 1 DSP56362 Block Diagram
This document contains information on a new product. Specifications and information herein are subject to change without notice.
IMOTOROLA
DSP56362 Advance Information
For More Information On This Product,
Go to: www.freescale.com

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