Datasheet > DSP56305VF80

DSP56305VF80

更新时间： 2024-02-19 07:10:03

品牌	Logo	应用领域
其他 - ETC		外围集成电路时钟
页数	文件大小	规格书
120页	2200K
描述
DSP\|24-BIT\|CMOS\|BGA\|252PIN\|PLASTIC

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DSP56305VF80 数据手册

Technical Data

DSP56305/D

Rev. 3, 1/2002

24-Bit Digital Signal

Processor

Memory Expansion Area

Program

Y Memory

X Memory*

Memory*

RAM

2 K × 24

RAM

6.5 K × 24

ROM

6 K × 24

Timer Host ESSI

SCI

FCOP VCOP CCOP

RAM

3.75 K × 24

ROM

3 K × 24

*default

Peripheral

Expansion Area

Motorola designed

the DSP56305 to

deliver the high

performancerequired

to support Global

System for Mobile

(GSM)

YAB

External

Address

Generation

Unit

XAB

PAB

DAB

Address

Bus

Address

Switch

Six Channel

DMA Unit

External

Bus

24-Bit

Interface

DSP56300

Core

I-Cache

Control

DDB

YDB

XDB

PDB

GDB

communications

applications that use

digital signal

Internal

Data

External

Data Bus

Switch

Bus

Data

Switch

processingto perform

channel equalization,

channel coding, and

speech coding.

Power

EXTAL

XTAL

Mngmnt

Clock

Data ALU

Generator

Program

Decode

Program

Address

Generator

→

56-bit MAC

24 × 24 56

JTAG

Interrupt

Two 56-bit Accumulators

56-bit Barrel Shifter

PLL

Controller

OnCE™

MODA/IRQA

MODB/IRQB

MODC/IRQC

MODD/IRQD

RESET

PINIT/NMI

Figure 1. DSP56305 Block Diagram

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.

12 3 4 5 6 7...120

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