DSP56362P 반도체 회로 부품 판매점
24-Bit Audio Digital Signal Processor
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 Motorola 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™ DSP family, as shown in Figure 1. This design provides a two-fold performance
increase over Motorola’s 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
Triple
Timer
DAX
(SPDIF)
Address
Generation
Unit
Six Channel
DMA Unit
Internal
Data
Bus
Switch
Host
Interface ESAI SHI
Peripheral
Expansion Area
Program RAM/
Instruction
Cache
3072 × 24
Program ROM
30K × 24
Bootstrap ROM
192 × 24
X Data
RAM
5632 × 24
ROM
6144 × 24
Y Data
RAM
5632 × 24
ROM
6144 × 24
Memory
Expansion
Area
YAB
XAB
PAB
DAB
24-Bit
DSP56300
Core
DDB
YDB
XDB
PDB
GDB
External
Address
Bus
Switch
18
Address
DRAM/SRAM
Bus
Interface
&
I - Cache
Control
11
Control
External
Data Bus
Switch
24
Data
EXTAL
CLKOUT
Clock
Generator
PLL
RESET
PINIT/NMI
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.
JTAG
OnCE
6
MODA/IRQA
MODB/IRQB
MODC/IRQC
MODD/IRQD
Figure 1 DSP56362 Block Diagram
AA0456G
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
Freescale Semiconductor, Inc.
THIS PAGE INTENTIONALLY LEFT BLANK
For More Information On This Product,
Go to: www.freescale.com
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제조업체: Motorola Inc
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