DSP1620 View Datasheet(PDF) - Agere -> LSI Corporation

Part Name

Description

Manufacturer

DSP1620

DSP1627 Digital Signal Processor

Agere -> LSI Corporation 

Preliminary Data Sheet

February 1997

DSP1628 Digital Signal Processor

4 Hardware Architecture (continued)

Table 2. DSP1628 Block Diagram Legend

Symbol

aa<0—1>

ar<0—3>

BIO

BMU

BREAKPOINT

BYPASS

cbit

Dual-Port RAM

ECCP

ear

edr

eir

EMUX

HDS

ID

IDB

ioc

JCON

jtag

pdx0(in)

pdx0(out)

PHIF

phifc

pllc

powerc

PSTAT

saddx

saddx2

sbit

sdx(in)

sdx2(in)

sdx(out)

sdx2(out)

SIO

SIO2

sioc

sioc2

srta

srta2

tdms

tdms2

TIMER

timer0

timerc

TRACE

XAB

XDB

YAB

YDB

Name

Alternate Accumulators.

Auxiliary BMU Registers.

Bit Input/Output Unit.

Bit Manipulation Unit.

Four Instruction Breakpoint Registers.

JTAG Bypass Register.

Control Register for BIO.

Internal RAM (16 Kwords for DSP1628x16, 8 Kwords for DSP1628x08).

Error Correction Coprocessor.

Error Correction Coprocessor Address Register.

Error Correction Coprocessor Data Register.

Error Correction Coprocessor Instruction Register.

External Memory Multiplexer.

Hardware Development System.

JTAG Device Identification Register.

Internal Data Bus.

I/O Configuration Register.

JTAG Configuration Registers.

16-bit Serial/Parallel Register.

Parallel Data Transmit Input Register 0.

Parallel Data Transmit Output Register 0.

Parallel Host Interface.

Parallel Host Interface Control Register.

Phase-Locked Loop Control Register.

Power Control Register.

Parallel Host Interface Status Register.

Multiprocessor Protocol Register.

Multiprocessor Protocol Register for SIO2.

Status Register for BIO.

Serial Data Transmit Input Register.

Serial Data Transmit Input Register for SIO2.

Serial Data Transmit Output Register.

Serial Data Transmit Output Register for SIO2.

Serial Input/Output Unit.

Serial Input/Output Unit #2.

Serial I/O Control Register.

Serial I/O Control Register for SIO2.

Serial Receive/Transmit Address Register.

Serial Receive/Transmit Address Register for SIO2.

Serial I/O Time-division Multiplex Signal Control Register.

Serial I/O Time-division Multiplex Signal Control Register for SIO2.

Programmable Timer.

Timer Running Count Register.

Timer Control Register.

Program Discontinuity Trace Buffer.

Program Memory Address Bus.

Program Memory Data Bus.

Data Memory Address Bus.

Data Memory Data Bus.

Lucent Technologies Inc.

11

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